Re: [backstage] mailing list subs form is broken

2009-10-09 Thread Steve Jolly

Fearghas McKay wrote:

On 8 Oct 2009, at 23:48, Steve Jolly wrote:


PS If you ever bump into him in person, do buy him a beer...


Whenever I bump into him he is never drinks beer...


Or valid beer substitute...

S
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Re: [backstage] Free as in 'Freedom'

2009-10-09 Thread Steve Jolly

David Tomlinson wrote:

Steve Jolly wrote:

A year or less strikes me as too little because too many people would
just wait until it was free.  5-10 years seems like a more realistic 
minimum in that regard.  Mind you, I think that copyright terms would 
vary by medium, ideally.


It's free from the start, their are revenue streams, e.g. advertising or 
paying for a physical object, be that a CD or a T-Shirt or book.


If you abolish copyright, then there's no way for the author to benefit 
from those revenue streams, because the people who make the CDs, 
T-Shirts and books have no reason to pay the author.


I have addressed it, while I consider it natural, and people will not 
wish to give it up, I don't see it as desirable. It limits the Freedom 
of others.


Every law on the books exists to benefit society as a whole by removing 
Freedoms from the individual.  My right to privacy in my own home 
requires that other people give up their freedom to enter it without 
permission, for example.  So I don't think you can make a case that 
copyright is unusual in this regard.


How long would it take for a competitor, to prepare and publish an 
alternative to a say a book.  More than three months ?


A week or two, perhaps?  Longer for a really high-volume product, but 
if copyright was abolished then you'd see specialist piracy-houses 
springing up, competing to be first-to-market with copied products.  
And they could take pre-orders in the interim period, reducing sales 
beneficial to the author still further.


For a Dan Brown perhaps, but that is 8 Million sales in the first week, 
he can afford the leakage. It is only when products are successful, it 
is worth producing the physical copy.


But I imagine the text for book was available in multiple locations 
within days. I don't read Dan Brown, for reasons of sanity.


Perhaps we're talking at cross-purposes here.  My point was that a 
publisher who chose to pay an author for their work would be 
out-competed within days or weeks by competitors who have no reason to 
pay that author a penny.


S

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Re: [backstage] Google Wave

2009-10-09 Thread Steve Jolly

Billy Abbott wrote:

I would like a pony.


That sounds somewhat easier: there are more ponies in the world than 
Google Wave invites.


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Re: [backstage] mailing list subs form is broken

2009-10-08 Thread Steve Jolly

Fearghas McKay wrote:
Since there is no obvious list admin please accept my apologies for 
posting this to the list


Ian Forrester is paid a miserly pittance from our license fees to put up 
with us on this mailing list, and likes nothing better than to receive 
admin requests in person.  Indeed, now that I share an office with him, 
I often hear him say so.


;-)

S

PS If you ever bump into him in person, do buy him a beer...
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[backstage] Pure Sensia

2009-09-17 Thread Steve Jolly

http://www.pcpro.co.uk/blogs/2009/09/17/pure-sensia-digital-radio-first-look/

Linux-based radio with touchscreen and app support.  Not sure I like 
the styling and it's a bit pricey, but it's an interesting product, 
certainly...


Since it has Twitter support, no doubt certain members of this list will 
love it ;-)


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Re: [backstage] Clay Shirky: Newspapers and Thinking the Unthinkable

2009-03-17 Thread Steve Jolly

Brian Butterworth wrote:
And then there's that gizmo, the one that can deliver the Sun to white 
van man cheaply and reliably.


The radio?

S

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Re: [backstage] Clay Shirky: Newspapers and Thinking the Unthinkable

2009-03-17 Thread Steve Jolly

Brian Butterworth wrote:

It is very noticeable that WVM is not a DAB user...

I was actually thinking of cross between a Kindle and an etch-a-sketch 
that can be dropped onto a road, get covered in cement dust and will 
still allow page 3 to be read.Something with an interface so simple 
that it can be operated by anyone in the pub and cheap enough to be 
given away with a few litres of petrol - or on the cover newspaper.  


I guess radio is inadequate for conveying page three content, but in the 
same way as a Times/Sky mash-up, I reckon a Sun/talk-radio mash-up might 
have potential - people in the trades tend to listen to a lot of radio.


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Re: [backstage] BBC becomes the British Botnet Corporation

2009-03-13 Thread Steve Jolly

Sean DALY wrote:

I listened to a discussion on the World Service radio The World Today
programme yesterday morning, and I was disturbed at the sloppy
reporting: although botnet machines are exclusively running Windows
because of the poor Microsoft security model, this was not mentioned.
In fact, OSX was cited as being as vulnerable as Windows, which is
just silly. Although the three basic steps to security cited
(patching, firewall, and antivirus) are useful to a general
nontechnical audience, it's not a minor point that in the past ten
years there have been thousands of virii, keyloggers, and rootkits
which have attacked Windows, while those attacking GNU/Linux and OSX
can be counted on the fingers of one's hands.


Not sure I'm convinced - all operating systems have their 
vulnerabilities; telling *the general public* that they can worry less 
if they're using a less popular OS than Windows would just lead to 
complacency.  Telling people to patch regularly, use a firewall and 
install antivirus software is the only safe general advice you can give.


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Re: [backstage] If you had a ton of content to freely distribute

2009-01-20 Thread Steve Jolly

Ian Forrester wrote:

Say, we had a ton of media assets from a BBC programme which we owned all the 
rights to and wanted to distribute widely. Not just video, but images, sound, 
subtitles, metadata about the programme scripts, etc.

How would you
1. Package it?


Artists and techies will probably have somewhat divergent opinions on 
this one...


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Re: [backstage] So Long and Thanks For All The Fish?

2008-11-28 Thread Steve Jolly

Brian Butterworth wrote:

Wow this is arcane.  We only got taught metric SI units at school...


Yeah, I prefer to avoid the imperial ones, but sometimes you can't - 
when working with Americans is a common scenario.


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Re: [backstage] So Long and Thanks For All The Fish?

2008-11-28 Thread Steve Jolly

Brian Butterworth wrote:

I kind of thought that the BBC should use SI units for some reason...


What, and get pilloried in the press for pushing a metric agenda? :-)

S

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Re: [backstage] Two questions: Comment Blogs and EU proposals

2008-11-21 Thread Steve Jolly

[EMAIL PROTECTED] wrote:
2.  Does anyone know how I can successfully contact members of the 
Innovation Culture team at BBC Research and Innovation?


This list isn't a great way, but I think it's safe to say that some of 
them read it. :-)


S

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Re: [backstage] High Frame-Rate Television

2008-11-18 Thread Steve Jolly

Robert (Jamie) Munro wrote:

There was a cinema standard that called Showscan that ran at 60 instead
of 24fps for similar reasons. And IMAX do a thing called IMAX HD that
runs at 48fps. These systems both require a lot of lighting, and a lot
of film stock to shoot, so I don't think they are likely to be popular,
except in special cases like theme-park ride-films.


Well, that's film for you. :-)  Virtually all digital video recording 
systems use lossy compression though, so if higher frame rates compress 
better (as we suspect), your costs don't increase linearly with frame rate.



I wonder if highly shuttered video produces better results on TVs that
do motion compensated 100Hz stuff. E.g. if you delivered them 25p but
with the shutter open for 10ms rather than 40ms, they will be able to
make a much better job of the motion compensation, producing something
very close to true 100Hz video, but with no need for extra bandwidth or
changes to the transmission chain over what we have already. Should
broadcasters consider shooting with this kind of TV in mind?


That's when you'd need the extra light, because you're throwing away 
most of it by shuttering.  But yes, the fact that motion-interpolating 
displays prefer highly shuttered video is something that broadcasters 
could start bearing in mind if those displays gain a large market share. 
 Personally I'd be disappointed though - you're effectively using the 
low frame rate as a form of lossy compression, and there are far more 
elegant methods of compressing video than throwing frames away and then 
trying to regenerate them in the display.


Also, have you considered how annoyed the directors who want a 
highly-shuttered look will be? :-)  (Think Top Gear, etc.)



Another thought I had was what about capturing motion separately to the
picture, at a lower spatial, but higher temporal resolution. Perhaps
using a strobed infra-red ilumination to generate smething like MPEG P 
B frames, and a full colour camera to generate I frames at a low frame rate.


Not sure that strobed IR would be the way to do it (limited range 
outdoors or under tungsten studio lighting, limited correlation with the 
visible light images due to materials' differing IR reflectivities) but 
yes, there's all sorts of interesting ways to sample (or resample) the 
various aspects of the video signal differently once you get your 
thinking away from fixed frame rates.  Chroma sub-sampling is a good 
analogy, and Bayer-patterning could be regarded as an interesting way to 
sub-sample chroma within the camera's sensor.  I think you always need 
to bear in mind that you're effectively implementing a compression 
scheme though, and question whether or not it's going to be an effective 
one.


I blog about this kind of video fundamentals stuff occasionally, if 
anyone's (still) interested - http://elvum.net.


S

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Re: [backstage] a postive BBC news story - Matthew Postgate's appointment bodes well for a new BBC tech era

2008-10-29 Thread Steve Jolly

Brian Butterworth wrote:

http://www.guardian.co.uk/media/pda/2008/oct/29/bbc-research

Matthew Postgate 
http://www.bbc.co.uk/blogs/bbcinternet/matthew_postgate/'s appointment 
as controller of the *BBC's* research and innovation department is, at 
last, great news for the BBC 's tech department...


It's nice that people still care. :-)

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Re: [backstage] Why the poor bitrates on World Service, Asian Network etc?

2008-10-21 Thread Steve Jolly

Brian Butterworth wrote:
You could, perhaps, make high bitrate versions available to platform 
providers, with a limited number of feeds for the likes of LiveStation 
and Zattoo and the like.  


Intuitively, that strikes me as opening up *different* cans of worms...

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Re: [backstage] BBC DRM iplayer mobiles etc

2008-10-16 Thread Steve Jolly

Brian Butterworth wrote:
I note that Stephen Fry has posted this, which seems to cover it quite 
well..


Hear hear. :-)

S

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Re: [backstage] HD Videocamera advice please...

2008-10-01 Thread Steve Jolly

Jeremy James wrote:

Simon Thompson wrote:

The GOP length is the number of frames between successive I-Frames.  A
long GOP length will, for example, cause a delay on video appearing on
changing channels on a STB or, as editing cuts can only start from an
I-Frame will mean you can't do frame accurate editing.


I disagree with can't - the Sony XDCAM EX1 is a serious camera
intended for broadcast use that uses long-GOP MPEG2. However, editing is
indeed harder since the software needs to be clever about how it handles
the content. You potentially have to decode a fair number of frames to
show the one you want, and (unless re-rendering) you need to keep up to
the previous I-frame before any edits made in your source material
throughout the editing process.


BBC RD did some work on this a few years back - here's a white paper 
from 2006, for example, if anyone's interested:


http://www.bbc.co.uk/rd/pubs/whp/whp138.shtml

The basic finding was more or less what Jeremy said - that long-GOP 
video encoding makes life harder for the people who write video editing 
software, but doesn't make frame-accurate editing impossible by any 
means.  You have to trade the advantages and disadvantages of recording 
with a long-GOP codec according to circumstances - a state of affairs 
that will probably surprise nobody. :-)


S

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Re: [backstage] Android UK launch set for Tuesday

2008-09-24 Thread Steve Jolly

Brian Butterworth wrote:
Sorry, a GPS compass.  I worked on GPS for ages back in the day and 
don't ever recall GPS being able to be a compass.


It can't be a compass directly, but many GPS receivers can show you your 
direction of travel on a compass-like display.


S

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Re: [backstage] erik huggers on open standards

2008-08-13 Thread Steve Jolly

Tim Dobson wrote:
Mike Melanson wrote:

I keep up with current subnotebooks and I don't know any that use non-x86 CPUs.



http://en.wikipedia.org/wiki/Aware_Electronics

Yes so that's the A-View, the AW-300 and the AW-150 subnotebooks 
for starters.


In what way are those X86 CPUs non-x86?

Personally I'm disgusted that there's no iPlayer support for my Psion 3c.

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Re: [backstage] Soundcloud

2008-08-11 Thread Steve Jolly

Peter Bowyer wrote:

On 11/08/2008, Brian Butterworth [EMAIL PROTECTED] wrote:

Kingswood innovations

Freeview Playback Due to launch in 2009 - with this you can record a whole
series with one instruction and, if you want to record two programmes that
clash, it will find one of the shows on a repeat broadcast and record it
instead.


Sounds a lot like MythTV to me


The difference being that MythTV has to make guesses about which 
programmes are which, based on the episode names and descriptions in the 
EPG.  It does a good job, but not a perfect one.  The Freeview Playback 
on-air signalling (which for the features described, is already being 
broadcast) enables PVRs to do a perfect job - or as close to perfect as 
is realistic. :-)  I know the MythTV guys were talking about 
implementing support for Freeview Playback signalling a while back - I 
don't know what its current status is though.


S

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Re: [backstage] BBC iPlayer - why the missing TV channel?

2008-07-11 Thread Steve Jolly

Adam Hatia wrote:

It claims to be true 1280x720 @24fps... http://vimeo.com/help/hd ...


The video in the link posted by Tom Hannen wasn't displayed at that 
resolution, even when you clicked the HD toggle (which changed the 
amount of lossy compression applied).  Perhaps there's a different way 
to get the higher resolution?



But wait, it can't really be HD... can it?
Yes! It's real, true, actual high definition. No tricks. Some other sites (we won't name 
names) and even a few major media producers have been offering low resolution video as 
HD just because it's slightly higher than the quality typically seen on video 
sharing web sites, hoping you won't notice. Don't be fooled, Vimeo HD is true 1280×720, 
up to 24fps.


I guess 720p24 *is* technically a true, actual high definition standard, 
although I would be very sad to see it widely adopted... :-)  (I think 
that for most *video* material, of actual moving subjects, you'd be 
better off picking a lower spatial resolution and a higher frame rate. 
Except for material where the director has deliberately chosen a low 
frame rate for effect, of course.)


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Re: [backstage] BBC iPlayer - why the missing TV channel?

2008-07-11 Thread Steve Jolly

Brian Butterworth wrote:
25fps, 1280x720, 16:9 (0.87 megapixels) is what is going to be in 
Freeview HD, the DVB-T2 service.


I'm not aware that anyone has ever suggested a 720p25 HD service in the 
UK.  Ofcom have proposed putting four *720p50* services into a DVB-T2 
multiplex.


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Re: [backstage] BBC iPlayer - why the missing TV channel?

2008-07-11 Thread Steve Jolly

Adam Hatia wrote:

Does anyone know of any study results or resources on perceived quality comparisons 
between various resolutions (e.g. 1080i25 vs 720p50)  encodings?


Hans Hoffman has done some research in this area for the EBU: 
http://www.ebu.ch/en/technical/trev/trev_308-hdtv.pdf has some early 
qualitative opinions in, and there's a presentation of his more recent, 
quantitative work at 
http://hdmasters2007.com/pdf/Presentations/HDM2007_Hoffmann-EBU.pdf


Personally I found his results intriguingly counter-intuitive (in a good 
way). :-)


Rainer Schaefer reports on the work done by the EBU D/HDC group in 
section 2.5 of 
http://www.ebu.ch/CMSimages/en/PMC08%20Report-FINAL_tcm6-58345.pdf


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Re: [backstage] BBC iPlayer - why the missing TV channel?

2008-07-09 Thread Steve Jolly

Brian Butterworth wrote:

Was it a bad idea to include BBC HD on iPlayer too?


Are there any programmes on BBC HD that are not also broadcast (or even 
simulcast) on other channels?


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Re: [backstage] BBC iPlayer - why the missing TV channel?

2008-07-09 Thread Steve Jolly

Tom Hannen wrote:

The iPlayer is great, but in terms of HD, Vimeo now seems to be the
place to look at.  Their HD channel is amazing, but unfortunately
relegates the BBC's iPlayer into looking like yesterday's
technology...

Their HD channel is here:
http://vimeo.com/channel778e

An example:
http://vimeo.com/775442


At 360 vertical lines, that's barely more resolution than the old 
quarter-screen BBC Parliament service on Freeview - it's not even SD 
quality.  The video quality is better than the streaming iPlayer service 
(I don't have a Windows PC handy to try the iPlayer download service, 
which is higher quality), but calling it HD is a bit of a cheek.


S

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Re: [backstage] BBC begins DVB-T2 test transmissions in preparation for HD on Freeview

2008-07-02 Thread Steve Jolly

Brian Butterworth wrote:
I just asked Hauppauge if any of their exiting kit would work with 
DVB-T2, and they said


I'm afraid that we do not have any product that would support DVB-T2, 
at the same time there's no plan of releasing one, at least until 2009. 


Looks like a very closed trial to me!


It's not a trial, it's a test of the technology.  And yes, it's a closed 
test.


S

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[backstage] Mashed TV

2008-06-18 Thread Steve Jolly

Simon Thompson wrote:
We'll also be radiating a DVB-T (aka Freeview) signal for you guys to 
hack around with.  We've got some USB DVB-T sticks, some software links 
and a talk on how to hack DVB-T and MHEG interactive stuff.


Just to clarify - this won't be a rebroadcast of one of the existing 
Freeview multiplexes: it's something we've put together just for Mashed. 
 Broadcasting all weekend on UHF channel 36 inside Alexandra Palace, 
the DVB-T network will contain two Mashed TV channels that will carry 
the lecture streams from Saturday morning, a bunch of videos from the 
O'Reilly Makezine Weekend Projects, some goofy idents created by 
gen-yoo-ine BBC research engineers and, in theory, anything that people 
give to us on the day (rights permitting, naturally).


Obviously you'll be too busy hacking to watch telly though, so to give 
you something to play with, there will be all the non-video goodies 
associated with digital TV, too: full schedule information available in 
EIT and TV-Anytime formats, a rebroadcast of BBC One complete with 
subtitles, audio description and so forth, and a rather special red 
button interactive service provided by our colleagues from the 
interactive TV teams: they want to get people writing their own 
Internet-deployed interactive TV apps, and there will be IP-enabled 
set-top-boxes at Mashed for you to test them out on.


http://mashed08.backnetwork.com/event/?articleid=24 gives some more 
technical details, and I'll be kicking off the How to hack the BBC's TV 
services session on Saturday morning with a brief talk about the 
potential of digital TV for cool hacks.


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Re: [backstage] Cool Accessibilty Hacks and Subtitles using BBC Redux @ Mashed

2008-06-17 Thread Steve Jolly

Christopher Woods wrote:

Blimey that sounds like a golden opportunity for some to really go a bit
leftfield with their concepts... Is it all* of the BBC's digitised archive,
or just a handpicked selection?


Everything broadcast in the last year.

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Re: [backstage] RealPlayer banished Toady!

2008-06-16 Thread Steve Jolly

Andy wrote:

2. Flash streaming just works for most people, and as the TV iPlayer has
shown, a tremendously popular way of consuming content.

Not on mobiles. How about an Ogg stream with Cortado[1] for mobiles
(or other people who dislike Flash).


Cortado looks like a J2SE applet, not a J2ME midlet.  Is there a mobile 
version too?


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Re: [backstage] RealPlayer banished Toady!

2008-06-11 Thread Steve Jolly

Tom Hannen wrote:

I guess all the consituent parts exist already - I was thinking more
of an app that would make it easy for you to skip items whilst
cooking, or washing up, or in the car etc.

If you have a CD player in the kitchen, it is very easy to skip to the
next track - you stop what you're doing for a second, and hit one
button.  The same isn't true of trying to skip through items on the
today programme - stare at the screen, grab the mouse, choose from a
number of links, and click on one.

Hit the space bar to hear the next item would be a nice feature.  I'm
not saying it should be part of the today website, just that if I had
any programming skills whatsoever, I'd like to make it!


I wonder if segmented MP3 podcasts would be an elegant way to enable 
this functionality?


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[backstage] Re: [backstage] RE: [backstage] RE: [backstage] Re: Is it OK for BT Vision to charge £3 per month for the iPlayer?

2008-06-09 Thread Steve Jolly

[EMAIL PROTECTED] wrote:

If BT can, why can’t you or anyone else?


In the absence of a contract with the broadcaster(s), I would suggest 
that copyright law might be a hindrance.


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Re: [backstage] Zattoo - live streaming BBC channels

2008-05-20 Thread Steve Jolly

Christopher Woods wrote:

Personally I'd rather have naff analogue with continuous audio where I can
gist the few words I miss, rather than have a lossy (moreso than analogue,
arguably) digital signal with squelchy audio and dropouts every so often. I
put up with it on my PC's freeview receiver, but I still find myself
wandering into the kitchen to tune in on the analogue set.

I think I'm a bit strange.


IIRC subjective quality tests have shown that poor quality audio causes 
a reduction in reported *video* quality of one point on the CCIR 5-point 
subjective quality scale.  I can probably dig out a reference if 
anyone's sufficiently interested.  Which suggests that people in general 
are even weirder than you think that you are, if that's any comfort. :-)


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Re: [backstage] BBC iPlayer, loved by millions, disliked by a single US citizen

2008-05-06 Thread Steve Jolly

Andy wrote:

Brian Butterworth wrote:

There is quite a reasonable argument that the TV License, which is
used to fund BBC television and radio, is a regressive tax, so someone
on benefits pays the same as a millionaire.

Or to put it another way The less you earn, the more you pay as a
percentage of your income.

Someone who earns 14K per annum pays 1% of their income in TV Licensing,
someone who earns 140K pays only 0.1%, (assuming both own a colour
television), (figures not exact).

Anyone else think that is a little bit unfair? Wouldn't a proportional
or progressive tax be fairer?


Depends on your definition of fair. :-)  Leaving aside politics though, 
it's worth noting that making the TV license progressive would only be 
practical if the BBC's funding was folded into general taxation, and 
collected by HMRC.  I mean, let alone the cost of dealing with the 
additional information, how many people would be happy to give TV 
Licensing verifiable details of their employment status and income?


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Re: [backstage] Open Flash

2008-05-03 Thread Steve Jolly

Dan Brickley wrote:
On top of that, things are set up for an equally classic you've tried 
the rest now try the best argument. If you've committed to Flash, best 
to use the real thing eh? Users have a choice now: they can get an 
implementation from the leaders or from the followers. (not my view but 
a natural spin on things)


I agree with most of your points, but this one is only valid given a 
couple of presuppositions: namely that Adobe makes its own Flash player 
available for the platform you're using, and that the platform you're 
using supports user installation of software.  The less your platform 
looks like a regular PC, the less valid these assumptions are likely to 
be (for now).


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Re: [backstage] BBC iPlayer, loved by millions, disliked by a single US citizen

2008-04-30 Thread Steve Jolly

Thom Shannon wrote:
He does have a point though that the BBC is anti competitive. I 
personally think the bbc is great for consumers, and that the quality of 
bbc news is the only thing stopping uk tv news turning into something 
like american news, but any of that could change, since the bbc isn't 
controlled by market forces.


Not subject to market forces and anti-competitive are different things.

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Re: [backstage] Ashley Highfield leaves BBC (almost)

2008-04-16 Thread Steve Jolly

Matthew Cashmore wrote:
lol! How on earth did Ian and I get on the list!!! Now that would be funny - can you imagine us running FMT! 


There would be lots more beanbags, for one thing.

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Re: [backstage] Ashley Highfield leaves BBC (almost)

2008-04-16 Thread Steve Jolly

Mr I Forrester wrote:

No no, Redbull on tap... That would boost productivity :)

Cridland, i'm hot on your heels


I think that more senior management positions should be filled by 
popular vote.


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Re: [backstage] Ashley Highfield leaves BBC (almost)

2008-04-16 Thread Steve Jolly

Michael Sparks wrote:

On Wednesday 16 April 2008 14:32, Mr I Forrester wrote:

Although we laugh about this stuff, Google's policy on free food is
actually well reasoned. But I don't think it would apply to the BBC, as
we're publicly funded and rightly so should pay for food. I am however
going to miss the free coffee and teas from the broadcast centre. Never
was a better time to switch to green tea I guess.


I've got a kettle up here and tea bags and coffee you know. :-)


Do you want a fridge?

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Re: [backstage] Ashley Highfield leaves BBC (almost)

2008-04-15 Thread Steve Jolly

Mr I Forrester wrote:

Peter Bowyer wrote:
http://uk.techcrunch.com/2008/04/15/who-should-be-the-next-web-guru-of-the-bbc-vote-now/ 

So I highly recommend everyone goes there and votes for the guy at the 
end of the list ;-) Mr Cridland is getting far too much support, we need 
to put him back in his place.


Controller of the children's Vision would be a great job title. 
Almost as good as Controller, Internet, or indeed Head of Time at 
the National Physical Laboratory.


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Re: [backstage] Ashley Highfield leaves BBC (almost)

2008-04-14 Thread Steve Jolly

Tim Dobson wrote:

In other news, Microsoft and Adobe employees are been encouraged to
send the BBC their CVs.

;)


I joke, I joke


/me hides


http://www.guardian.co.uk/media/2008/apr/14/bbc.digitalmedia1

(registration possibly required)

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Re: [backstage] iPlayer and the ISPs - a solution

2008-04-14 Thread Steve Jolly

Andy wrote:

Brian Butterworth wrote:

1. so the great evil here is probably the BT wholesale
provision which seems to be behaving somewhat monopolisticly, which is a
tendency that I know BT has.


Abuse of dominant position is prohibited under Section 18 of the
Competition Act 1998[1]. If BT are behaving somewhat monopolisticly
shouldn't Ofcom do something about it?


I believe that the wholesale price of IPStream ADSL is regulated by 
Ofcom already.  Cutting it drastically would kick the legs out from 
under LLU.


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Re: [backstage] Adding Subtitles/transcripts to /programmes pages

2008-04-13 Thread Steve Jolly

Tom Jacobs wrote:

i think it would be really useful if the BBC made available the
subtitles for their TV shows via the /programmes pages (or any other
accessible, searchable API).


Yes, it would be nice.

You can get access to them via a DVB card in your PC, of course, but 
because they're broadcast as pre-rendered bitmaps, you'd have to OCR 
them before you could do anything useful with them.  A few people have 
gone down this road - some friends and I gave a talk and a demo on the 
subject back at Open Tech 2005.


http://www.ukuug.org/events/opentech2005/schedule/stephen_jolly.pdf

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Re: [backstage] BBC tells ISPs to get stuffed

2008-04-10 Thread Steve Jolly

Andy wrote:

The BBC forgot to mention it's actually blocking ISPs from caching the
streams.


As has already been pointed out, caching the streams wouldn't help ISPs 
because it's not their upstream bandwidth costs that are concerning 
them.  Leaving aside the practicality of caching content served via 
RTMP, the BBC is already using the Akamai CDN, making caching on the 
ISPs' networks largely pointless, as I understand it.


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Re: [backstage] BBC tells ISPs to get stuffed

2008-04-10 Thread Steve Jolly

[EMAIL PROTECTED] wrote:

I think the ISPs have a point ... the ADSL network is (currently) like a 
collection of country roads (narrow and fairly slow) which the BBC is trying to 
drive it's supersize juggernauts down. Think the ISPs should use some form of 
traffic shaping for iPlayer traffic and that the BBC and other such companies 
should fess up some of the costs involved in improving the network if they want 
to use the net to push their weighty products.


C'mon, the iPlayer (then imp) was first announced back in September 
2003, and it's hardly the only service of its type.  It's not like ISPs 
haven't had any warning that bandwidth-heavy mainstream applications 
were on the way.


IIRC near-ubiquitous bandwidth caps (explicit or hidden away in fair 
use policies) only appeared with BT's launch of 8Mbps IPstream services 
in March 2006.


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Re: [backstage] Embracing the torrent of online video

2008-03-28 Thread Steve Jolly

Matt Barber wrote:

Yeah I saw some stuff about tapeless production when I read about
Dirac last year, is it true that it is in use internally to shift some
content around the BBC?


Some teams are using tapeless production techniques, yes.  I suspect 
that most radio production is already tapeless, but it's still in its 
infancy for TV work.


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Re: [backstage] Runners needed for Over the Air

2008-03-28 Thread Steve Jolly

Brian^H^H^H^H^HMatthew Cashmore wrote:

Hi Brian - received :-)


Brian makes a lot of posts to this list, but that doesn't imply that all 
posters to the list are called Brian, Matt... ;-)


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Re: [backstage] Is Freesat going to be HD only?

2008-03-27 Thread Steve Jolly

Brian Butterworth wrote:
On 26/03/2008, *Steve Jolly* [EMAIL PROTECTED] 
mailto:[EMAIL PROTECTED] wrote:

I think you're underestimating the difficulties.  And ignoring the
costs. :-)  Bear in mind that you can't make any changes that would
break the millions of installed Sky STBs.

As I pointed out before, it would only be the Sky HD boxes that would 
need reprogramming.  The Freesat boxes have not been released yet, so 
they can be fixed.


Getting Sky to reprogramme their HD boxes to make life easier for a 
competing service sounds like a bit of a challenge by itself to me.  But 
the point I was trying to make was that the existing MPEG-2 SD services 
and all their associated SI and interactive content will have to be 
broadcast for as long as there are substantial numbers of Sky SD boxes 
in use, *and* that any changes to the signalling on the multiplexes that 
carry them will have to be designed and then proven not to cause Sky 
boxes to do strange things.  (This was one of the more obvious design 
challenges for Freesat, obviously.)


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Re: [backstage] Is Freesat going to be HD only?

2008-03-27 Thread Steve Jolly

Brian Butterworth wrote:
Let's assume that there is going to be a single transponder used for BBC 
HD.  Instead of just having a single stream of BBC HD, it has six 
streams that usually occupy 3Mb/s each, leaving plenty for one of the 
streams to be in HD at full bitrate.


To take just this paragraph as an example: nice idea, doesn't work in 
practice.  Firstly, statmuxing a single HD h.264 service and a bunch of 
MPEG-2 SD channels performs poorly.  (It's like putting chickens and 
hippos in the same pen - when a hippo wants a bit more space, the 
chickens tend to suffer.)  Secondly, five 3Mb/s streams in a 22Mb/s 
multiplex leaves 7Mb/s, which is too little for an HD video stream, let 
alone all the SI and six channels' worth of audio and data.  You can't 
increase the capacity of the multiplex, because you need to keep 
backwards compatibility with the existing Sky boxes.  Thirdly, 3Mb/s is 
too low an estimate - none of the BBC's main channels average that on 
DSAT at the moment, so you're talking about a significant loss of 
quality for the non-HD majority of the viewing population.  And so on.


The problem with your idea is that it consists entirely of problems. 
The simplest of which is that it would be comparable in complexity to 
digital switchover and cost an absolute fortune.


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Re: [backstage] Is Freesat going to be HD only?

2008-03-26 Thread Steve Jolly

Brian Butterworth wrote:
Is it true that the new BBC/ITV Freesat service (starting 5th May) will 
be HD only? 


The Freesat website implies that HD programming will be broadcast in 
addition to SD.


http://www.freesat.co.uk/what_is_it.php

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Re: [backstage] Is Freesat going to be HD only?

2008-03-26 Thread Steve Jolly

Brian Butterworth wrote:
On 26/03/2008, *Andrew Bowden* [EMAIL PROTECTED] 
mailto:[EMAIL PROTECTED] wrote:

Each region however has its own, permanent, dedicated video stream
which broadcasts 24/7.  I can't think of any channel on Sky which
reconfigures its video configuration on the fly (e.g. bandwidth,
bitrate, number of audio channels etc)


Aside from the obvious point that there are number of channels that 
don't broadcast the whole day (BBC three, BBC FOUR, CBBC, CBeebies) that 
go to low or bitrate services AND the even more obvious point that the 
channels are statisitcially multipelxed together and therefore change 
bitrate on the fly the whole time.


I think that of all the (15-odd) BBC 1 variants broadcast by satellite, 
only the London region is statmuxed, isn't it?  That's a lot of HD 
services to find room for, and a very big (and expensive) upgrade to the 
BBC's DSAT broadcast chain.


A simpler way to get a similar effect would be to tell the receiver when 
a programme was being simulcast in HD on a different service, so that it 
could automatically switch over to it at the appropriate moment, if 
that's what the user wanted, and back again at the programme's end.  I 
think TV-Anytime supports that kind of thing in the related content 
table, IIRC.


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Re: [backstage] Is Freesat going to be HD only?

2008-03-26 Thread Steve Jolly

Brian Butterworth wrote:
I think you are confusing Freeview with Freesat.  On Freesat the 
multiple services are statmuxed together, on Freeview BBC ONE is in 
4.9Mb/s, apart from Scotland, Wales and NI where the extra two radio 
channels mean the whole of mux 1 is statmuxed.


I might be wrong, but I'm not confused. :-)  I haven't done my own 
measurements, but linowsat.com backs me up: of all the BBC One regions, 
only London shows any kind of statmux-related bitrate varation that I 
can see:


http://www.linowsat.com/0282/all/0282.shtml

As I said, ideally the BBC One (London) and BBC Two services would form 
the foundation of BBC ONE HD and BBC TWO HD, but it would be brilliant 
if they could switch to the MPEG 2 SD transmissions for the regional 
news.  I'm sure ITV1 HD would LOVE to do the same, especially for all 
that regional advertisting they are required to do...  So, there may be 
a slight frame pause going to the news at 6:28, 6:58, 7:28, 7:58, 8:28, 
8:58, 13:30, 15:28, 18:30, 19:59 and 22:25, but it would be a better way 
of sorting out the problem - well, cheaper. 
 
It's hardly rocket science!


I think you're underestimating the difficulties.  And ignoring the 
costs. :-)  Bear in mind that you can't make any changes that would 
break the millions of installed Sky STBs.



A simpler way to get a similar effect would be to tell the receiver when
a programme was being simulcast in HD on a different service, so that it
could automatically switch over to it at the appropriate moment, if
that's what the user wanted, and back again at the programme's end.  I
think TV-Anytime supports that kind of thing in the related content
table, IIRC.
 
That would have the same effect, but I personally would perfer to have 
my content in MPEG4 rather than MPEG2.


Your preference is noted. ;-)  Personally I'd like Dirac. :-P

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Re: [backstage] DVB-H finally gets formal adoption by the EC (oh and vista SP1!)

2008-03-25 Thread Steve Jolly

David Greaves wrote:

Anyhow, personally I'm stuck until I can get a non-DRM HD signal into my Linux
Myth PVR.


I assume satellite isn't an option for you?

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Re: [backstage] DVB-H finally gets formal adoption by the EC (oh and vista SP1!)

2008-03-25 Thread Steve Jolly

Gareth Davis wrote:

I'll warn you that a lot of processing power is required to decode the
H264 profile in real time. When the BBC were doing the HD DVB-T trials
across London I had a go at trying to pick it up, and found that my 3Ghz
P4 machine could only managed about 14 fps.


At the risk of promoting proprietary software, 
http://www.corecodec.com/products/coreavc.html may be your friend here.


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Re: [backstage] iPlayer DRM is over?

2008-03-18 Thread Steve Jolly

Iain Wallace wrote:

Aside from the Big Lebowski reference: What?


I believe it's an analogy.

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[backstage] Guardian article about iPhone iPlayer

2008-03-13 Thread Steve Jolly

Thought that people might find this interesting:

http://www.guardian.co.uk/technology/2008/mar/13/digitalvideo.television

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Re: [backstage] iPlayer DRM is over?

2008-03-13 Thread Steve Jolly

Ian Partridge wrote:

One thing I've always found unconvincing is the way the BBC bleats
but the production companies won't let us distribute the content
DRM-free!. The BBC has major clout - it could say from now on, all
production contracts we sign HAVE to allow DRM-free redistribution.
It could refuse to pay megabucks for that. Given the piss-poor state
that ITV is in at the moment, what would the rights-holders do? Take
their bat and ball and go where exactly? The rights-holders need the
BBC just as much as the BBC needs them - if not more.


Can I suggest that you read up on the recent Writers Guild of America 
strike, with particular attention to the causes of the strike (notably 
the issue of residuals for new media distribution[1]) and the 
consequences - for the guild-members, a beachhead on the Internet and 
in new media that will guarantee our share of a potentially vast and 
bountiful future[2] according to the guilds' presidents.


S

[1] http://en.wikipedia.org/wiki/2007-2008_Writers_Guild_of_America_strike
[2] http://www.wga.org/subpage_member.aspx?id=2781

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Re: [backstage] Guardian article about iPhone iPlayer

2008-03-13 Thread Steve Jolly

vijay chopra wrote:
I like the way that the article suggests I'm suddenly a 1337 h4x0r 
because I can chnge the user agent on my browser.


See? I knew people would appreciate it. :-)

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Re: [backstage] Guardian article about iPhone iPlayer

2008-03-13 Thread Steve Jolly

vijay chopra wrote:
The BBC response article is only marginally better, again referring to 
hackers for no apparent reason though they at least have a motive to 
mislead: propaganda. Though I probably shouldn't attribute to malice 
what's adequately explained by stupidity.


Personally, I can think of explanations that don't insult the journalist 
in question. :-)  That aside though, the BBC News website has a form for 
people to report factual errors which you could use if you felt 
sufficiently strongly about the matter.


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Re: [backstage] iPlayer DRM is over?

2008-03-13 Thread Steve Jolly

Dave Crossland wrote:

When the BBC limits the MP4 stream to Apple hardware devices, it is
implementing DRM


Sorry, not convinced.  IANAL of course, but personally I don't see how 
the concept of restricting access to a particular client implies the 
concept of preventing copying.


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Re: [backstage] Guardian article about iPhone iPlayer

2008-03-13 Thread Steve Jolly

vijay chopra wrote:
I'm sorry I just despair for the journalists in this country. In theory 
they should be a paragon of virtue, holding authority to account, 
uncovering misdeeds and campaigning on behalf of the citizenry.
Instead we get dumbing down and catering to the lowest common 
denominator; and then they wonder why they have falling circulation.

The only dead tree press I buy now is Private Eye.


You sure know how to make friends with people who work for the country's 
largest news-gathering organisation. ;-)


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Re: [backstage] iPlayer DRM is over?

2008-03-12 Thread Steve Jolly

Dave Crossland wrote:

On 12/03/2008, Phil Wilson [EMAIL PROTECTED] wrote:

 FWIW I still can't get the mp4 to stream rather than download.
 Anyone?


My guess is that the proprietary player on the iPhone just buffers
part of the HTTP GET data and starts playing away? :-)


That's how the iPhone is doing it (and the Flash player, and all the 
other network media players that support progressive downloads), yes. 
Obviously progressive downloads and streaming are very different things, 
but in the domain of Internet video, the former seem to be meeting a lot 
of users' requirements at the moment.


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Re: [backstage] iPlayer DRM is over?

2008-03-12 Thread Steve Jolly

Iain Wallace wrote:

 That's how the iPhone is doing it (and the Flash player, and all the
 other network media players that support progressive downloads), yes.
 Obviously progressive downloads and streaming are very different things,
 but in the domain of Internet video, the former seem to be meeting a lot
 of users' requirements at the moment.


The Flash player wasn't - it was using RTMP, which enables the client
to feed back about bandwidth to maintain a stream quality that the
client can handle and also to skip to any point without downloading
the preceding file contents.

I'm sure you knew this - just clarifying.


Apologies, I wasn't talking about the BBC's video services, and I wasn't 
sufficiently clear - Flash *can* play video back via a progressive 
download (cf Youtube), or it can stream the video via RTMP as you 
point out.  (I use the quotes because different people expect different 
things from the term - in a broadcast (or multicast) context people 
might expect streaming to preclude a return path back to the server, for 
example.)


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Re: [backstage] Is it just me, or is some stereo audio on BBC chans (Freeview) out of phase?

2008-03-06 Thread Steve Jolly

Christopher Woods wrote:
Can you give an exact channel, date and time when you 
observed the phenomenon?  (03:59 GMT last night on N24, perhaps?)


Definitely. Observable on BBC2 last night/this morning (05/03/2008) during
the intro for Spin (03:44am). Also observable during the 60second
countdown buffer for N24 top of the hour (4am). I can send MPEG2 files if
you want (direct streamrip, advantage of having USB DTV receiver).


I have access to DTT stream recordings. :-)  I took a look at the N24 
music you mentioned.  Listening to it, there's a very clear difference 
in the stereo characteristic of the sound between the (virtually mono) 
talking head segments on either side of the music, and a lesser 
difference between the music at the end of the special report and the 
N24 countdown in question.


Converting the stereo to mid/side encoding and listening to the new 
channels separately, the side channel contains virtually no LF 
component, whereas the mid-channel contains plenty - you'd expect them 
to contain roughly the same amount if the signal had been subjected to a 
90 degree phase offset, and you'd expect all the low frequencies to be 
concentrated in the side channel in the case of a 180 degree phase 
inversion.


So at the moment, I don't see any evidence for an overall phase error, 
I'm afraid - at least for the one section of audio I've had a look at. 
:-)  The difference in the characteristic of the sound that I can hear 
could simply be due to the transition between dead-centre mono speech 
and a very complex bit of music with a broad sound stage.


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Re: [backstage] Is it just me, or is some stereo audio on BBC chans (Freeview) out of phase?

2008-03-06 Thread Steve Jolly

Martin Deutsch wrote:

I've suggested that Christopher tries another reciever, or moves the
aerial to somewhere with better signal strength. (I don't know that
much about how the decoding process works, but perhaps someone more
fluent in DVB will know - is it possible that error correction and
recovery could be doing odd things to the sound in the event of low
signal strength?)


I wouldn't describe myself as an expert, but from what I know of DVB, I 
think that it would be very unlikely that a receiver could end up with 
an audio phase error and no other symptoms as a consequence of reception 
difficulties.


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Re: [backstage-developer] BBC News GeoFeed

2008-03-05 Thread Steve Jolly

Barry Hunter wrote:

Seems to do reasonably well
http://maps.google.com/maps?q=http%3A%2F%2Fws.geonames.org%2FrssToGeoRSS%3Ftype%3Dkml%26feedUrl%3Dhttp%253A%252F%252Fnewsrss.bbc.co.uk%252Frss%252Fnewsonline_uk_edition%252Fuk%252Frss.xml

Of course geocoding free text stories is still an imprecise science.


Indeed - I like the way that it appears to dither between interpreting 
UK as the United Kingdom or the Ukraine...


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Re: [backstage] Is it just me, or is some stereo audio on BBC chans (Freeview) out of phase?

2008-03-05 Thread Steve Jolly

Christopher Woods wrote:
Not used my USB Freeview receiver for a while, hooked it up because I 
dug out an amplified aerial and thought 'heck, why not.' In essense, 
audio seems to be varying degrees out of phase - measurably 90 degrees 
out of phase on BBC Three and N24. I observed this phenomenon tonight on 
BBC Three, BBCs One and Two but most noticeable on News 24. Speech is 
fine (which is generally monaural, so yeah) and on other channels it's a 
bit noticeable in places, but it's most obvious on N24 and BBC Three 
where there's stereo music... The top of the hour buffer (with the 
countdown) on News 24 is totally out of phase for its duration.


Can you give an exact channel, date and time when you observed the 
phenomenon?  (03:59 GMT last night on N24, perhaps?)


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Re: [backstage] Adobe fuses on and offline worlds

2008-02-29 Thread Steve Jolly

[EMAIL PROTECTED] wrote:
But what is wrong is to forbid people from being to help people 
regardless of the circumstances, for example by sharing with them, even 
if they want to. This is what proprietary software does.


It's also what happens when railways require photocards for season 
tickets, since that stops people sharing them and makes them buy their own.


(I can't believe I'm making arguments in favour of proprietary software 
here... ;-)


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Re: [backstage] Internet TV standard

2008-02-26 Thread Steve Jolly

Christopher Woods wrote:

Hat-tip also to the marvellously geeky bod at the Beeb for the inclusion of
the Archimedes reference on the BBC Internet blog. Took me back to when I
first got my A3000 :)


There was one on my BBC Micro too, IIRC... :-)

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Re: [backstage] HD-DVD / Blu Ray

2008-02-25 Thread Steve Jolly

Richard P Edwards wrote:
I would love to know who it was that decided to make the two systems 
incompatible.. once again, if that hadn't have happened HD-DVD could 
have still lost, but without the public's purchases becoming pretty much 
obsolete, and the hardware would still have a market.


Where's the fun in a format war where the formats are compatible? :-)

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Re: [backstage] Last.fm for television

2008-01-28 Thread Steve Jolly

Peter Bowyer wrote:

On 28/01/2008, Brian Butterworth [EMAIL PROTECTED] wrote:

I presume that a TV version of last.fm would be last.uhf?


last.am would be more consistent, if slightly confusing.


last.dssc? :-)
last.cofdm perhaps, now that we're rapidly heading for digital switchover...

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Re: [backstage] BBC TWO Programme timings

2008-01-25 Thread Steve Jolly

Brian Butterworth wrote:
The system I wrote for ITV over 15 years ago worked down to the FRAME - 
that's 1/25 of a second.  That is how channels are scheduled.


Scheduling systems may be accurate to 1/25 of a second, but that doesn't 
necessarily imply that they are equally precise.  The ability to change 
their minds up to the last minute *and beyond* means that the accurate 
times need only reflect the schedulers' intentions, rather than being 
set in stone.


My point was that the schedule on BBC TWO has been deliberately nudged 
along a few minutes to gain a competitive schedule advantage, and this 
is being withheld.
 
I could just ask the BBC TWO scheduler if this is the case or not, I 
suppose.


That would be more useful than asserting it without any evidence, certainly.

Would an EPG be useful if the titles were imprecise? 
 
99% in such environments is terrible.


Firstly, titles *are* imprecise - they contain spelling errors and 
inconsistencies (eg Brand New Top Gear vs Top Gear vs Best of Top 
Gear, etc) that make it very hard for PVRs to do useful things with 
them (eg title-based series detection).  Secondly, millions of people 
*do* find schedules useful despite the lack of total accuracy.  So 99% 
in such environments is adequate.



As a justification for doing nothing, yes.


Something has already been done - a standard for accurate recordings has 
been agreed and implemented by the broadcasters and PVR manufacturers.



I'm just thinking of the user of the PVR systems.


The people who have bought standards-compliant PVRs get accurate recordings.

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Re: [backstage] BBC TWO Programme timings

2008-01-24 Thread Steve Jolly

Brian Butterworth wrote:
I'm not trying to BLAME anyone here, I'm trying to find out where the 
EPG information gets nobbled and make an attempt to get some to 
acknowledge mistakes and provide  accuracy in the data.


Accuracy is impractical.  Locking the start time of programmes to a 
second-precise pre-published schedule would cause chaos.  I mean, think 
how often Radio 4 presenters crash the pips.  If you had a channel with 
no live content, no continuity, no opt-outs and no last-minute 
programming changes then you might have a chance, but you can't design 
the EPG system for an entire platform around those limitations.


So instead, you engineer a compromise.  The schedule becomes a guideline 
- people can use it for planning their viewing, and PVRs can use it to 
try and stop you from booking more simultaneous recordings than you have 
tuners, and as a way to plan when to switch themselves on and tune in. 
Then you have a precisely-timed trigger signal (EIT P/F on Freeview) 
that the PVR can use to tell when the programme starts and ends.  That 
way the broadcaster retains the flexibility to change the schedule as 
often as they need to, while the consumer still gets accurate recordings.


You appear to be asking for last-minute schedule changes to be published 
separately.  Well, you could do that, but the system I just described is 
better*, so that's what's been implemented.


*it allows PVRs to behave correctly even when programmes overrun 
indefinitely and without prior warning, for example.


If I can get a signed letter from someone at the BBC saying that it's 
Microsoft's fault, then I can go an staple it to the Memorandum of 
Understanding and get MS to sort it out.


Do you really need a letter saying that WMC has not been certified as 
compliant with the Freeview Playback standard?  Doesn't the absence of a 
Freeview Playback badge on WMC-based devices mean that Microsoft already 
know?


I think that the core issue here is your assertion that published 
schedules should be as precise as possible, and updated as often as 
necessary.  I don't think that most people expect that to be the case, 
and I don't personally see a compelling argument for making it so.  If 
accurate Freeview recording from WMC is important to you, I would 
suggest that you direct your efforts towards getting Microsoft to 
implement it using the existing standards, and ideally get WMC certified 
by the DTG while they're at it.


http://www.bbc.co.uk/rd/pubs/papers/pdffiles/ibc99pl.pdf might be of 
interest to people following this discussion.


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Re: [backstage] BBC TWO Programme timings

2008-01-23 Thread Steve Jolly

Brian Butterworth wrote:
It seems incredible to me that the BBC is DELIBERATELY providing me (via 
Microsoft) with inaccurate information. 


If you were to start by assuming that inaccuracies in the EPG data 
provided by the BBC were there for reasons other than to screw over 
Windows Media Center users, you might be more likely to come up with a 
reasonable explanation for the behaviour.


*I* know I can do this, I just wanted to know why the BBC was providing 
poisoned information.  Why should people who have paid for Windows Vista 
Ultimate Edition have a poor service on purpose?


Why should the BBC optimise its schedule services for the benefit of one 
particular manufacturer of DTT viewing software?  As Martin describes, 
there are standard ways of accurately timing recordings from DTT, and if 
Microsoft doesn't choose to make them available to users of its 
software, I don't think it's reasonable to blame the BBC or any other 
broadcaster for this.


Given how much you know about broadcasting, I am certain that you are 
aware of the conceptual and practical differences between programme 
schedules published a week or more in advance, and actual playout times, 
which can vary considerably, especially (but by no means exclusively) if 
live events overrun.  I don't know much about Digiguide, but it seems 
probable to me that they are only providing you with the former 
information.  Again, I find it hard to understand how the BBC is to 
blame for this.


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Re: [backstage] BBC iPlayer bursts through user target

2008-01-18 Thread Steve Jolly

Graeme Mulvaney wrote:

It would be good if you could provide 'bookmarks' into some of the
current affairs/magazine style programming - e.g. you could jump to a
particular report in 'the culture show' or skip to the sudden death
round of 'the weakest link', etc.


Segmented content, huh?  Yes, that would be nice... :-)

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Re: [backstage] 403 Forbidden on http://www.bbc.co.uk/technology/

2008-01-09 Thread Steve Jolly

Sean DALY wrote:

http://www.bbc.co.uk/technology/ is showing 403 Forbidden.


Mmmm, sweet forbidden technology.  (Not to be confused with 
http://www.forbidden.co.uk/).


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Re: [backstage] BBC iplayer on exotic devices

2008-01-09 Thread Steve Jolly

Dave Crossland wrote:

On 09/01/2008, Jason Cartwright [EMAIL PROTECTED] wrote:

Production client-side code really shouldn't have documentation in.


If the BBC is serious about supporting innovation around the iPlayer,
it ought to leave it in here.


I believe Ian said that there's a proper API coming, which sounds to me 
like a more elegant solution than serving lots of redundant comments to 
every iPlayer user.


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Re: [backstage] BBC News : site feedback.... [Fwd: RE: Feedback [NewsWatch]]

2008-01-07 Thread Steve Jolly

David Greaves wrote:

I think someone missed the point here...

Or am I wrong?


If I explain that all the stories on the BBC news website are barely 
more than static HTML, would that explain why adding watermarks to them 
all would be difficult?  If the site was backed by some kind of 
new-fangled CMS then it would be an extremely sensible suggestion. :-)


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Re: [backstage] iPlayer search problem

2008-01-02 Thread Steve Jolly

Adam Leach wrote:
My point was that this top gear episode 
(http://www.bbc.co.uk/programmes/b008gzy6) is signed, yet there is no 
way on knowing that until you start watching it.  If i had downloaded 
this via the p2p client i would have been a bit disappointed, but then 
again its available so its better then nothing.


Yeah, and the fact that signed versions of programmes are usually 
broadcast after the unsigned version often leads to only the signed 
version being available during the period around the end of the 
seven-day window - this struck me as being an interesting consequence of 
the window when I first noticed it.


If you're like me and find yourself wanting more of the same when 
you've finished watching a programme, I suspect you could often find 
yourself wanting to watch content for which only a signed version is 
available.


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Re: [backstage] Interview with Anthony Rose - Podcast

2007-12-13 Thread Steve Jolly

Matthew Cashmore wrote:
Well it’s podcast time again and yesterday I got the opportunity to 
speak to Anthony Rose - head of all things iPlayer here at the beeb.


Anthony also gave a pretty interesting talk at the IET's IPTV conference 
today - it's also on the web, albeit only (afaik) at the IET's own 
rather old-fangled site (Realplayer or Windows Media? is so 2005...):


http://www.iet.tv/search/index.html?spres=5850

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Re: [backstage] Please release Perl on Rails as Free Software

2007-12-07 Thread Steve Jolly

Noah Slater wrote:

On 06/12/2007, Andy [EMAIL PROTECTED] wrote:

In fact isn't the bulk of this thread concerned with the way in which
Perl On Rails will be non proprietary.


Not really, proprietry is the wrong word to use here. The word free
is much more descriptive. It is perfectly possible to have free
proprietary software.


To eliminate confusion, I propose that we in future refer to the FSF 
definition of free as GNU/Free.  I thank you.


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Re: [backstage] Please release Perl on Rails as Free Software

2007-12-07 Thread Steve Jolly

Matt Lee wrote:

Steve Jolly wrote:


To eliminate confusion, I propose that we in future refer to the FSF
definition of free as GNU/Free.  I thank you.


Or you could say 'free software, as defined by the Free Software
Foundation', which is more accurate and doesn't fall into the logical
trap of everything having a GNU prefix which some people may fall into.


You could, but it has the two disadvantages of being longer to type, and 
not being a joke. :-)


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Re: [backstage] Muddy Boots on Backstage

2007-11-28 Thread Steve Jolly

Deirdre Harvey wrote:

So can you give us any indication of when the technologists will
have completed the prototype of the journalist that doesn't need
food or shelter?


Well, someone here at BBC RD presented a (tongue-in-cheek) design for 
an android journalist at an internal new ideas symposium a year or so 
back... I don't think it's got past the concept stage though. ;-)


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Re: [backstage] Muddy Boots on Backstage

2007-11-28 Thread Steve Jolly

Billy Abbott wrote:
In order to get the gatekeepers to offer that software they need to have 
an incentive to do so. Apart from idealistic ones who are doing it for 
the reason of wanting the software to be free, I don't currently see 
what the incentive is for the others. While I'd like to be able to get 
the software (so that anyone can run their own service and also have the 
potential to grab the software and run their own service if their 
provider goes tits up) I can understand why people don't give it out for 
free.


Pleae let me know if I am missing a reason why people should, outside of 
idealogical reasons.


Well, if developers were more cautious about basing their applications 
on APIs with no Free implementations then that would give API providers 
an incentive.  But they aren't, and I wonder why?  As developers, what 
is it that makes the people on this list trust big web application and 
service providers to maintain their APIs for as long as you want them? 
Is it because you have a high level of trust for them, or a very short 
expectancy of useful life for your applications?


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Re: [backstage] Broadcasters to launch joint VoD service

2007-11-27 Thread Steve Jolly

Brian Butterworth wrote:
http://blogs.guardian.co.uk/organgrinder/2007/11/kangaroo_a_giant_leap_for_tele.html 


That second commenter seems rather familiar... :-)

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Re: [backstage] Broadcasters to launch joint VoD service

2007-11-27 Thread Steve Jolly

Nick Reynolds-AMi wrote:

You really need to be careful with your language Richard


That was Andy, not Richard. :-)

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Re: [backstage] Broadcasters to launch joint VoD service

2007-11-27 Thread Steve Jolly

Andy wrote:

Nice to see a complete lack of detail though, now where did I put my
document on making an FOI request, (technically a written request here
would most likely count, after all it's written, has a name and has an
address.)


IMO it might not count if it was unclear as to whether you were 
addressing a specific BBC member of staff or the list as a whole.  But 
IANAL etc. :-)  TBH I think most of the BBC employees here would take it 
as a kindness if you just emailed [EMAIL PROTECTED]


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Re: [backstage] Broadcasters to launch joint VoD service

2007-11-27 Thread Steve Jolly

Nick Reynolds-AMi wrote:

i have no idea what a dat file is so I wouldn't know how to send
one anyway so it must have been someone else


Nick - I think you're using Outlook as your email client.  Have you got
it configured to send Rich Text emails by default?  I believe that can
lead to every email you send being given a winmail.dat file attachment
that contains the Microsoft-specific rich text version of the email.

See http://www.ericphelps.com/tnef/ for some details.

S

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Re: [backstage] iPlayer under wine

2007-11-23 Thread Steve Jolly

David Greaves wrote:

Stuart Ward wrote:

I just found this project on sourceforge to sort out running the iPlayer
under wine.

http://bbciplayerlinux.sourceforge.net/index.php/Main_Page


At which point they can replace the DRM library calls with stubs and ...


... not be able to decode the content any more? :-)

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Re: [backstage] What's going on with the News 24 live stream?

2007-11-19 Thread Steve Jolly

Martin Deutsch wrote:



On Nov 18, 2007 11:43 PM, Steve Jolly [EMAIL PROTECTED] 
mailto:[EMAIL PROTECTED] wrote:


Brian Butterworth wrote:
  Givem the original is at 25fps, why not encode at that in fact?

50fps. ;-)  (Pedantic, but important...)

 
Surely that just depends on whether your f stands for fields or frames?


Two fields != one frame.  I ranted about this back in August if anyone 
cares sufficiently...


http://elvum.net/web-log/item/18/catid/3

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Re: [backstage] What's going on with the News 24 live stream?

2007-11-19 Thread Steve Jolly

Christopher Woods wrote:
Anyway, the cameras 
they were using had the holographic BBC HD logo plastered along the 
side of them, so things are looking up - unless they're just old skool 
SD cameras with a chavlike shopping list down the side of them! I wonder 
if the N24 cameras are similarly upgraded... It'd be nice to know that 
it's being filmed progressively, even if it's converted to interlaced 
for the final step, something which can always change in the future.


The BBC's announced plans to shift all production to HD by 2010 
(http://news.bbc.co.uk/newswatch/ukfs/hi/newsid_473/newsid_4739000/4739094.stm), 
but it's not there yet.  Don't assume that HD==progressive, incidentally 
- despite the fact that humankind has developed far better lossy 
compression mechanisms than interlace over the years, interlace still 
made it into the HD standards documents...


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Re: [backstage] What's going on with the News 24 live stream?

2007-11-19 Thread Steve Jolly

Brian Butterworth wrote:
If you are going to be pedantic, at least be right!  UKTV (and all in 
Europe) is 25 frames a second


 I suspect yuou don't understand what interlaced means.

I think I detect an impending semantic argument, so let me try and avoid 
it.  You're (I think) defining a frame to be the combination of as many 
sequential scans of an image (fields) as are required to build up a 
full-resolution two-dimensional picture.  Two fields per frame, in the 
present case.


Let me expand slightly: fields are often bundled together and called 
frames for broadcast purposes, although not necessarily in such a way 
that they form a combined image (eg two fields may be placed one above 
the other to form a frame for some MPEG treatments of interlaced 
material).  Because of this, yes, you can describe 50 fields-per-second 
television as 25 frames-per-second.  I would like to argue, however, 
that it is misleading to characterise an interlaced television system in 
terms of its frame rate.


Why?  Because each field comes from a different point in time, and 
combining them together leads to spatial (combing) and temporal 
(judder) artefacts.  (There are exceptions to this rule, eg when each 
frame of a film is broadcast as two successive fields - in this case 
simple recombination of the fields does not necessarily result in these 
artefacts.)


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Re: [backstage] What's going on with the News 24 live stream?

2007-11-18 Thread Steve Jolly
Brian Butterworth wrote:
 Givem the original is at 25fps, why not encode at that in fact?

50fps. ;-)  (Pedantic, but important...)

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Re: [backstage] PlugLondon

2007-11-14 Thread Steve Jolly

Mr I Forrester wrote:
Just in case you haven't already seen, the first pluglondon happens on 
8th December at the Skype offices just off Tottenham Court Road. Its 
event which has very strong aims...


  1. A place we can discuss, explore and showcase interoperability and
 evolution of platforms and software solutions. Things like mashups
 for example.


Will Skype be talking about VOIP interoperability? ;-)

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Re: [backstage] Use of Tinyurl in Emails

2007-11-07 Thread Steve Jolly

Jonathan Tweed wrote:

Don't forget to also drop at least u, otherwise you might end up with offensive 
short codes.

You may have noticed that the programme ids don't have any vowels in them. This 
is deliberate ;-)


Sounds like an interesting little algorithmic challenge - what shortcode 
generation algorithm eliminates accidental real words while compromising 
optimally between simplicity and efficiency?


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Re: [backstage] Ashley Highfield on iPlayer - 26min Interview

2007-11-01 Thread Steve Jolly

Michael Sparks wrote:

Apologies if that's all a little random - and also, improvements on this
summary (and on criterion) welcome. :-)


Michael, your insistence on resorting to facts and reasoned argument 
risks torpedoing this entire prolonged exchange of rants.  Keep it up. ;-)


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Yet another argument about digital rights (was Re: [backstage] Ashley Highfield on iPlayer - 26min Interview)

2007-10-30 Thread Steve Jolly

Andy wrote:

Copyright Infringement is NOT theft, theft is theft, copyright
infringement is copyright infringement. They are covered by entirely
separate laws, they are described differently in the law, and the
actions themselves differ greatly.

How can educated people confuse the two?


I assume that they consider the difference to be immaterial, and value 
emotive language over accuracy.


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Re: [backstage] Thoughts from a previous BBC employee

2007-10-22 Thread Steve Jolly

Christopher Woods wrote:
Here's a thought... On Sky, and on cable too (right?) there's no 
channels at each hundred's -00  (100, 200, 300 etc). Why not do some 
interactive service which shows realtime mosaics, just like like 
CanalSatellite and Astra do in Europe? That'd be smashing. I've emailed 
Sky about that in the past and like hell did they take any notice :D but 
I think that'd be a genuinely useful feature, far simple than flicking 
through an EPG - just skimread the screen to see if you recognise 
anything on, or if you see something you might find interesting? arrow 
button across to it and there we go. The buttons are already there on 
the Sky remotes (and most if not all Freeview remotes, too).


There's some tricky architectural and copyright issues associated with 
that idea - it's a bit trickier than having the buttons available on the 
remotes.  Sky don't necessarily have access to the channels that form 
part of their platform other than by pointing a dish at the satellite 
constellation and decoding them like a consumer, which wouldn't 
necessarily be reliable enough for broadcast critical use.  There might 
well be issues related to rights-clearing the service for rebroadcasting 
each channel in miniature, too, especially if it gave people access to 
picture from channels they weren't subscribed to.  And then there's the 
requirement for satellite space to carry the service, which wouldn't 
necessarily be suitable for conventional advertising.


Anyway, back to my original thought - does anybody think that Sky will 
EVER offer the + functionality for free or a one-off payment? It'd kill 
me to finally get Sky in my own place and not have Sky+, especially as I 
had to put up with my Dad's resistance against getting Sky+ in our house 
when I was younger (he still doesn't have it, says installation and box 
makes it too expensive). Grr.


No idea on this one, but I'm sure there are lots of people in the same 
situation as you.  You might want to consider a subscription-free 
Freesat PVR, when they launch.


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Re: [backstage] Thoughts from a previous BBC employee

2007-10-19 Thread Steve Jolly

Andrew Bowden wrote:
There's no technical reason - it's just the business model.  Sky+ has 
been used to try and keep you subscribing - to reduce their churn.  The 
idea that your PVR is about to stop working when you stop subscribing no 
doubt panics people.
 
And of course TiVo did the same - £10 a month for listings as well, 
although in that case they did actually have to provide the listings.  
With a Sky+ they are already there.


It'll be interesting to see what happens when the entirely 
subscription-free Freesat service (the BBC/ITV initiative*, not 
Freesat-from-Sky) launches.


* http://www.bbc.co.uk/bbctrust/news/press_releases/27_04_2007.html

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Re: [backstage] iPlayer usage

2007-10-18 Thread Steve Jolly

Matthew Cashmore wrote:

We will all of course be very sad to stop using MajorDomo.


Ha!

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Re: [backstage] iPlayer usage

2007-10-18 Thread Steve Jolly

Adam Lindsay wrote:
I went back and noticed that the original poster's question wasn't 
answered: are there any plans to reveal statistics on iPlayer usage?


http://www.bbc.co.uk/foi/

You could always ask directly... :-)

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