48 kHz is pretty well the international standard sample rate for broadcast
organisation and has been since they started upgrading from the 32kHz used
(by the Beeb) for distributing audio to FM transmitters back in the late
60's.
Dave
On 19 March 2014 16:47, Aaron Heller hel...@ai.sri.com
Dave Malham wrote:
48 kHz is pretty well the international standard sample rate for
broadcast organisation and has been since they started upgrading from
the 32kHz used (by the Beeb) for distributing audio to FM
transmitters back in the late 60's.
Dave
True I expect, but for some reason the
Am 30.03.14 19:31, schrieb Sampo Syreeni:
...the sample clock was locked
to twice the horizontal scan rate of 15625Hz, i.e. 31.25kHz.
Wasn't that the rate used for PCM audio in Hi8 video recorders?
Ralf
--
Ralf R. Radermacher - Köln/Cologne, Germany
Blog :
According to Rupert Brun, Head of Technology for BBC Radio, the rate
used for the 4.0 streaming frm the South Bank was 48kHz.
What I dont like is that one can record the stream at 44.1kHz and the
sample rate conversion appears to be dont in Windows. Is there a
means of actually showing the
Am 30.03.14 20:48, schrieb David Pickett:
Anybody know how to get access to streaming metadata?
Play it back in VLC and display the stream parameters.
Ralf
--
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Blog : http://the-real-fotoralf.blogspot.com
Audio :
On 2014-03-30, Ralf R Radermacher wrote:
...the sample clock was locked to twice the horizontal scan rate of
15625Hz, i.e. 31.25kHz.
Wasn't that the rate used for PCM audio in Hi8 video recorders?
Apparently so, and for the same precise reason. That applies to Hi8
derived from PAL, and
--On 19 March 2014 18:47 +0100 David Pickett d...@fugato.com wrote:
A bit scary that, as Paul said, Microsoft employ SRC automatically if
you get it wrong...
Actually, after thinking about this, I suspect it's unavoidable in this
situation, even if the data rates are matched.
Where's the
At 11:17 20-03-14, Paul Hodges wrote:
I understand that the current Windows SRC is pretty good, actually.
I probably know less about this than you do. But do you mean Windows
8? Windows 7, which I am using appear to have a problem, but with a
secret fix that I havent tried yet:
On Thu, Mar 20, 2014 at 10:17:30AM +, Paul Hodges wrote:
But if the data is coming from the Internet, that data
cannot but be separately clocked, but it can't provide the master clock
for the interface - it just hasn't the stability, and buffering will
get in the way and so on.
Not
--On 20 March 2014 12:02 +0100 David Pickett d...@fugato.com wrote:
I understand that the current Windows SRC is pretty good, actually.
I probably know less about this than you do. But do you mean Windows
8? Windows 7, which I am using appear to have a problem, but with a
secret fix that
--On 20 March 2014 11:14 + Andy Furniss adf.li...@gmail.com wrote:
I think it's just like playing any compressed audio file.
But it isn't, because a slight mismatch in clock speeds would mean that
the playback could run ahead and eventually run out of buffered samples
to play. Of course,
Paul Hodges wrote:
--On 20 March 2014 11:14 + Andy Furniss adf.li...@gmail.com
wrote:
I think it's just like playing any compressed audio file.
But it isn't, because a slight mismatch in clock speeds would mean
that the playback could run ahead and eventually run out of buffered
samples
--On 20 March 2014 15:41 + Andy Furniss adf.li...@gmail.com wrote:
Yea, I did also mention buffering, just that I assume the buffer is
normally big enough so that it doesn't run out/overflow in a
reasonable
time.
This is not the kind of programming I have ever done, and it makes me
At 23:33 18-03-14, Paul Hodges wrote:
--On 18 March 2014 23:18 +0100 David Pickett d...@fugato.com wrote:
BBC server went down several times this evening.
What I don't understand is why things like that go down so easily; it
may be hard to get a computer system running, but if it's done even
On 19 Mar 2014, at 07:33, David Pickett wrote:
I suspect that most of the problems last night were at the originating end,
though there were cases when there were beats missing as the stream caught
up, which seemed more likely to be delays in the Internet.
from the BBC blog:
21. Rupert
At 17:47 19-03-14, Aaron Heller wrote:
I downloaded the MPD file on the FAQ page with
wget http://rdmedia.bbc.co.uk/dash/ondemand/channel_test/1/5.mpd
It asked me what you wanted to do with it automatically! Just
selected download.
If I'm reading it correctly, the channel announcements
Tonight's effort a bit of a dog's breakfast with glitches, drop-outs and
confusion over the recorded link pieces in the interval. However, when it was
working, it was pretty damned impressive. They seem to have tweaked the
surrounds a bit, so no need to up the gain any more. Together with some
Got back in time to grab the last half-hour or so if the Dvorak, and like
others, I found I needed to bring up the surround levels to get an idea of what
was on offer. The quality was pretty good, though; certainly better than most
of the audio streaming services I've listened to. I can record
BBC server went down several times this evening. But the rebuilt RFH
organ sounded much improved, and from time to time I could imagine I was there.
Orchestra and piano tomorrow evening.
David
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--On 18 March 2014 23:18 +0100 David Pickett d...@fugato.com wrote:
BBC server went down several times this evening.
:-( And I specifically wanted /that/ concert. I had a dinner party,
so I started recording and left it - I haven't checked, but presumably
that means I have nothing after the
I do neto succeed in listening to this in Stockholm Sweden, any one succeeding
outside of UK?
Bo-Erik
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--On 17 March 2014 00:16 + Richard Dobson
richarddob...@blueyonder.co.uk wrote:
It appears to be under the Live in Concert title.
So the 19:30 concerts from the South Bank? That makes some sense - it
also means that maybe tomorrow's reopening of the restored organ may be
in surround (note
Am 17.03.14 16:25, schrieb Paul Hodges:
(note to self: check multi-channel recording setup is OK).
Speaking of which: how would one record this? I normally use Audio
Hijack Pro for recording web streams but that doesn't work for signals
with more than two channels. I'm on a Mac, BTW.
Ralf
--On 17 March 2014 15:25 + Paul Hodges pwh-surro...@cassland.org
wrote:
As an aside, I'm amused to see that the web page listing next week's
concert on the RFH organ (another must-hear) is headed by a picture of
the organ in the Albert Hall!
Oops on my part, too - not the Albert Hall, but
--On 17 March 2014 16:32 +0100 Ralf R Radermacher fotor...@gmx.de
wrote:
Speaking of which: how would one record this? I normally use Audio
Hijack Pro for recording web streams but that doesn't work for
signals with more than two channels. I'm on a Mac, BTW.
I'm using a PC, so I can't comment
Soundflower, perhaps?
On 17 March 2014 15:32, Ralf R Radermacher fotor...@gmx.de wrote:
Am 17.03.14 16:25, schrieb Paul Hodges:
(note to self: check multi-channel recording setup is OK).
Speaking of which: how would one record this? I normally use Audio Hijack
Pro for recording web
I use very reliably jackosx
p
Le 17 mars 2014 à 16:59, Dave Malham dave.mal...@york.ac.uk a écrit :
Soundflower, perhaps?
On 17 March 2014 15:32, Ralf R Radermacher fotor...@gmx.de wrote:
Am 17.03.14 16:25, schrieb Paul Hodges:
(note to self: check multi-channel recording setup is
Right, i'm slowly pulling my hair here. Is anybody having a problem in hearing
the surround rear on the chan id?
Although the computer (Win XP) connected to the internet has an M-Audio 24/96
card, which is 2 in/2 out, one of the drivers that comes with it is a multi
chan driver. So far i've
I have a GigaPort AG connected by USB to my MacBook Pro and it works
correctly with Chrome Version 33.0.1750.152
I used Audio MIDI Setup (in /Applications/Utilites) and selected
Multichannel/5.1 Surround for the speaker configuration of the GigaPort
device.
Aaron Heller (hel...@ai.sri.com)
Having tried earlier to get this to work -- unsuccessfully because I
was messing with the Realtek HD Audio Manager which turend out to be
irrelevant -- I decided to have another go at fooled around with my
PC and, as is often the case, it suddenly started doing what I wanted
(perseverance is
I installed Chrome (having previously set a System Restore Point),
You are such a drama queen :) I'm glad you got it working though - Ill have
to try this out
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--On 17 March 2014 20:52 +0100 David Pickett d...@fugato.com wrote:
The go to http://rdmedia.bbc.co.uk/radio3/index.html and click on the
play button, and four channels of Brahms Tragic Overture appeared.
Followed by John Lill playing Rach 3 at the age of 70 - Magnificent!
But as for the
At 21:07 17-03-14, Augustine Leudar wrote:
I installed Chrome (having previously set a System Restore Point),
You are such a drama queen :) I'm glad you got it working though - Ill have
to try this out
No. I have learned not to trust dwnloaded software, after some bad
experiences! :-)
A
On 17 Mar 2014, at 21:46, Paul Hodges wrote:
But as for the surround, well huh! The usual uncorrelated mish-mash in
the rear channels, signifying nothing. Turning on the rear speakers
did push the stereo image back from the front speakers just a bit.
That's hardly a surprise when reading the
--On 17 March 2014 21:19 + Paul Hodges pwh-surro...@cassland.org
wrote:
the audience coughing in the gaps in the
Brahms sounds from in front.
Dvorak, of course - a senior moment while typing too fast.
Paul
--
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I just stumbled on this:
http://rdmedia.bbc.co.uk/radio3/faq.html
I have an appropriate soundcard; but am not sure I want to install
Google Chrome... (Bummer that it doesnt work on Firefox!)
has anyone
David
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Good find ! Chrome isn't so bad actually - I use it firefox and opera -
chrome is by far the fastest to load and less memory hungry than
firefox though I too prefer firefox
On 16 March 2014 17:28, David Pickett d...@fugato.com wrote:
I just stumbled on this:
At 18:55 16-03-14, Augustine Leudar wrote:
Good find ! Chrome isn't so bad actually - I use it firefox and opera -
chrome is by far the fastest to load and less memory hungry than
firefox though I too prefer firefox
Ok, if I take a chance oin Chrome not taking over my machine, then
the
There not streaming at the moment so I cant test it - I would guess that
either the browser automatically routes the 4 channels to 1,2,3,4 on the
soundcard or there is some way of telling it which outputs to route the 4
channels to. I have an RME too , As long as the RME is set as the default
right mouse button over volume control in bottom right hand corner
playack devices click RME set default restart browser/applet
On 16 March 2014 18:25, Augustine Leudar augustineleu...@gmail.com wrote:
There not streaming at the moment so I cant test it - I would guess that
either the
At 19:30 16-03-14, Augustine Leudar wrote:
right mouse button over volume control in bottom right hand corner
playack devices click RME set default restart browser/applet
On that panel each of the pairs of RME output is presented
separately... (I'll look for the documentation on the
Augustine Leudar augustineleu...@gmail.com a écrit :
There not streaming at the moment so I cant test it - I would guess
that either the browser automatically routes the 4 channels to
1,2,3,4 on the soundcard or there is some way of telling it which
outputs to route the 4 channels to. I have
On 16/03/2014 20:36, Marc Lavallée wrote:
Augustine Leudar augustineleu...@gmail.com a écrit :
There not streaming at the moment so I cant test it - I would guess
that either the browser automatically routes the 4 channels to
1,2,3,4 on the soundcard or there is some way of telling it which
Augustine Leudar augustineleu...@gmail.com a écrit :
not at home now - cant you just swap the leads round on the jack
interface ?
My mistake was to listen to the outputs labeled rear-left and
rear-right; the outputs for the surround channels are labeled
side-left and side-right.
So, it works
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