RE: BBC Ceases To Use MP3...

2015-02-13 Thread Christopher Woods

On 2015-02-10 20:56, C E Macfarlane wrote:
I'm listening to my get_iplayer download of this right now, and, 
although
it's not as bad as many, probably most, of the January episodes were, 
there
were several little pops in Cathy-Ann MacPhee's unaccompanied 
rendering of

Fath Mo Mhulad from about 6 mins in and since ...
http://www.bbc.co.uk/programmes/b050rjwr


I've been listening to the new Radio 3 streams this evening, and 
there's MANY audible glitches on them. Think it's time to do some more 
investigation...


C

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Re: BBC Ceases To Use MP3...

2015-02-11 Thread Sharon Kimble
Vangelis forthnet northmed...@the.forthnet.gr writes:

 On Mon Feb 9 22:24:53 GMT 2015, Christopher Woods wrote:

 I use (used!) the AAC Shoutcast streams and it'll be a loss to me
 as they're also being canned.
 But it's like arguing with the wind to expect a Shoutcast CDN to be kept
 running
 just so me and half a dozen others can listen to unicast AAC... ;)

 Hello Christopher :-)

 I am one of the 6 (LOL!) others that have been enjoying
 the Shoutcast AAC live streams over the course of the last 3 years!
 Delivered over HTTP, they were a rock-steady alternative to
 the iffy RTMP ones, delivered via the Flash plugin in iPlayerRadio...
 I had bookmarked the direct stream URLs in Winamp, laptop
 connected to Hi-Fi Amp and I could easily listen to National Radios
 in very good quality...
 Recording the icy (aac) streams with VLC was a plus, too!
 Previously, I had experimented with the RTMP streams and
 get_iplayer (both for streaming to VLC and downloading),
 but in practice this was quite unreliable... :-(
 I do not lament the demise of the WMA live streams;
 the overseas version was just 48kbps, which sounded
 considerably worse than AAC-LC@56kbps or even
 HE-AACv2@48kbps ! (It has to be said though that
 the [UK] version of wma@128kbps - quite difficult to access
 from overseas - was comparable (better?) to the
 shoutcast aaclc@128kbps one!).
 Recording and editing those WMA streams
 was a hassle too!


I've just uploaded a script called radiostreams onto my blog site,
and this has the usual BBC radio feeds into a format which can be
played in mpd. In fact, I'm listening to Radio Kent from that script
atm. It uses feeds from radiofeeds.co.uk, so they may last longer
than the BBC open feeds, I hope! :)


 Most kind regards,
 Vangelis. 

Sharon.
-- 
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my git repo = https://bitbucket.org/boudiccas/dots
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Re: BBC Ceases To Use MP3...

2015-02-11 Thread J K.Eason
Also see:
http://www.theregister.co.uk/2015/02/11/bbc_bins_windows_media_for_radio_s
treams_from_new_audio_factory/ or http://tinyurl.com/kdwg2s7 for a short
link.

Regards
   John

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RE: BBC Ceases To Use MP3...

2015-02-10 Thread C E Macfarlane
Yes this switch over occurred a few weeks back for Nations programming.

I've no objection per se, but unfortunately the switch over has been
accompanied by a huge increase in burbling and even breaks in the recorded
sound.  Whether that's because m4a encoding takes more system resources and
the system can't keep pace, or some other fault, I don't know enough to
tell.  All that I (burble) really know is (burble) that (break) Radio Nan
Gaidheal (burble) keeps destroying (break) the music with incessant (burble)
glitches, and it's (burble) driving me mad.

 -Original Message-
 From: get_iplayer [mailto:get_iplayer-boun...@lists.infradead.org]On
 Behalf Of CJB
 Sent: 09 February 2015 14:55
 To: get_iplayer-request
 Subject: BBC Ceases To Use MP3...


 ... well - at least for the Radio Lancashire folk prog. 'The Drift.'
 This used to download in MP3 format along with hundreds of #'s. Now it
 appears to be in M4A - the Beeb's usual format for audios. Just an
 observation. CJB.

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RE: BBC Ceases To Use MP3...

2015-02-10 Thread C E Macfarlane
I'm listening to my get_iplayer download of this right now, and, although
it's not as bad as many, probably most, of the January episodes were, there
were several little pops in Cathy-Ann MacPhee's unaccompanied rendering of
Fath Mo Mhulad from about 6 mins in and since ...
http://www.bbc.co.uk/programmes/b050rjwr


www.macfh.co.uk/CEMH.html

UK Residents:

If you feel can possibly support it
please sign the following ePetition
before closing time of 30/03/2015 23:59:-

http://epetitions.direct.gov.uk/petitions/71556


 -Original Message-
 From: get_iplayer [mailto:get_iplayer-boun...@lists.infradead.org]On
 Behalf Of Christopher Woods
 Sent: 10 February 2015 20:03
 To: get_iplayer@lists.infradead.org
 Subject: RE: BBC Ceases To Use MP3...


 If you can point me to some examples, that'd be useful.

 Chris

 On 2015-02-10 17:32, C E Macfarlane wrote:
  Yes this switch over occurred a few weeks back for Nations
  programming.
 
  I've no objection per se, but unfortunately the switch over has been
  accompanied by a huge increase in burbling and even breaks in the
  recorded
  sound.  Whether that's because m4a encoding takes more system
  resources and
  the system can't keep pace, or some other fault, I don't
 know enough
  to
  tell.  All that I (burble) really know is (burble) that
 (break) Radio
  Nan
  Gaidheal (burble) keeps destroying (break) the music with incessant
  (burble)
  glitches, and it's (burble) driving me mad.
 
  -Original Message-
  From: get_iplayer
  [mailto:get_iplayer-boun...@lists.infradead.org]On
  Behalf Of CJB
  Sent: 09 February 2015 14:55
  To: get_iplayer-request
  Subject: BBC Ceases To Use MP3...
 
 
  ... well - at least for the Radio Lancashire folk prog. 'The
  Drift.'
  This used to download in MP3 format along with
 hundreds of #'s.
  Now it
  appears to be in M4A - the Beeb's usual format for
 audios. Just
  an
  observation. CJB.
 
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RE: BBC Ceases To Use MP3...

2015-02-10 Thread Christopher Woods

If you can point me to some examples, that'd be useful.

Chris

On 2015-02-10 17:32, C E Macfarlane wrote:
Yes this switch over occurred a few weeks back for Nations 
programming.


I've no objection per se, but unfortunately the switch over has been
accompanied by a huge increase in burbling and even breaks in the 
recorded
sound.  Whether that's because m4a encoding takes more system 
resources and
the system can't keep pace, or some other fault, I don't know enough 
to
tell.  All that I (burble) really know is (burble) that (break) Radio 
Nan
Gaidheal (burble) keeps destroying (break) the music with incessant 
(burble)

glitches, and it's (burble) driving me mad.


-Original Message-
From: get_iplayer 
[mailto:get_iplayer-boun...@lists.infradead.org]On

Behalf Of CJB
Sent: 09 February 2015 14:55
To: get_iplayer-request
Subject: BBC Ceases To Use MP3...


... well - at least for the Radio Lancashire folk prog. 'The 
Drift.'
This used to download in MP3 format along with hundreds of #'s. 
Now it
appears to be in M4A - the Beeb's usual format for audios. Just 
an

observation. CJB.

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Re: BBC Ceases To Use MP3...

2015-02-10 Thread Vangelis forthnet

On Tue Feb 10 03:42:48 GMT 2015, I wrote:


There is one notable exception to this
at the time of writing: BBC Radio 3!

http://open.live.bbc.co.uk/mediaselector/5/select/mediaset/http-icy-aac-lc-a/vpid/bbc_radio_three/
http://open.live.bbc.co.uk/mediaselector/5/select/mediaset/http-icy-aac-lc-b/vpid/bbc_radio_three/
http://open.live.bbc.co.uk/mediaselector/5/select/mediaset/http-icy-he-aacv2-a/vpid/bbc_radio_three/

all produce still working AAC streams


Sadly, tonight even those are now DEAD!

V.



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Re: BBC Ceases To Use MP3...

2015-02-09 Thread Steven Carr
On 9 February 2015 at 14:55, CJB chrisjbr...@gmail.com wrote:
 ... well - at least for the Radio Lancashire folk prog. 'The Drift.'
 This used to download in MP3 format along with hundreds of #'s. Now it
 appears to be in M4A - the Beeb's usual format for audios. Just an
 observation. CJB.

I add the following flags to get it back to MP3 (and in a format where
iTunes recognizes it as a podcast and doesn't screw with it)...

--tag-podcast-radio --aactomp3

Steve

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Re: BBC Ceases To Use MP3...

2015-02-09 Thread Vangelis forthnet

On Mon Feb 9 22:24:53 GMT 2015, Christopher Woods wrote:


I use (used!) the AAC Shoutcast streams and it'll be a loss to me
as they're also being canned.
But it's like arguing with the wind to expect a Shoutcast CDN to be kept 
running

just so me and half a dozen others can listen to unicast AAC... ;)


Hello Christopher :-)

I am one of the 6 (LOL!) others that have been enjoying
the Shoutcast AAC live streams over the course of the last 3 years!
Delivered over HTTP, they were a rock-steady alternative to
the iffy RTMP ones, delivered via the Flash plugin in iPlayerRadio...
I had bookmarked the direct stream URLs in Winamp, laptop
connected to Hi-Fi Amp and I could easily listen to National Radios
in very good quality...
Recording the icy (aac) streams with VLC was a plus, too!
Previously, I had experimented with the RTMP streams and
get_iplayer (both for streaming to VLC and downloading),
but in practice this was quite unreliable... :-(
I do not lament the demise of the WMA live streams;
the overseas version was just 48kbps, which sounded
considerably worse than AAC-LC@56kbps or even
HE-AACv2@48kbps ! (It has to be said though that
the [UK] version of wma@128kbps - quite difficult to access
from overseas - was comparable (better?) to the
shoutcast aaclc@128kbps one!).
Recording and editing those WMA streams
was a hassle too!

While the mediaselector/5 API continues to produce
icy stream data for all available AAC mediasets
(http-icy-aac-lc-a, http-icy-aac-lc-b, http-icy-he-aacv2-a), e.g.

http://open.live.bbc.co.uk/mediaselector/5/select/mediaset/http-icy-aac-lc-a/vpid/bbc_radio_two/
http://open.live.bbc.co.uk/mediaselector/5/select/mediaset/http-icy-aac-lc-b/vpid/bbc_radio_two/
http://open.live.bbc.co.uk/mediaselector/5/select/mediaset/http-icy-he-aacv2-a/vpid/bbc_radio_two/

when those stream data (href=) are fed to Winamp,
it prints: [HTTP/1.0 404 File Not Found]
There is one notable exception to this
at the time of writing: BBC Radio 3!

http://open.live.bbc.co.uk/mediaselector/5/select/mediaset/http-icy-aac-lc-a/vpid/bbc_radio_three/
http://open.live.bbc.co.uk/mediaselector/5/select/mediaset/http-icy-aac-lc-b/vpid/bbc_radio_three/
http://open.live.bbc.co.uk/mediaselector/5/select/mediaset/http-icy-he-aacv2-a/vpid/bbc_radio_three/

all produce still working AAC streams (mediaset=http-icy-aac-lc-b is 
UK-only).



We are retiring our SHOUTcast streams that use the AAC codec.
The AAC SHOUTcast streams were only available for the national networks.


While I was well aware of the foretold death of the WMA (live+AOD) streams,
this came in as a true surprise and caused me grief...

We have retained a single SHOUTcast stream of each service using the mp3 
codec


For anyone interested, this can be accessed by using 
mediaset=http-icy-mp3-a;

a template URL would be:

http://open.live.bbc.co.uk/mediaselector/5/select/mediaset/http-icy-mp3-a/vpid/[vpid]/format/pls.pls

For National Radios, [vpid]= any of:
bbc_radio_one
bbc_radio_two
bbc_radio_three
bbc_radio_fourfm
bbc_radio_four_extra
bbc_radio_five_live
bbc_radio_five_live_sports_extra
bbc_6music
bbc_asian_network
bbc_world_service

These MP3 streams are all @128kbpsCBR/44.1KHz
(even for Radio 3), except for World Service, which is
a measly 48kbps!


All our services are now available in HLS and HDS, using the AAC codec.
By the summer we hope to have these streams available
in the non-proprietary DASH format.
(snip)
we are concentrating our efforts around HLS, HDS and DASH.


1. Recording HLS streams is feasible via FFmpeg.
2. HDS (capture) support in FFmpeg is still in its infancy:
http://trac.ffmpeg.org/ticket/1964
http://comments.gmane.org/gmane.comp.video.ffmpeg.devel/171211
http://lists.ffmpeg.org/pipermail/ffmpeg-devel/2014-February/154612.html
https://www.mail-archive.com/ffmpeg-devel@ffmpeg.org/msg03387.html
https://gitorious.org/neutrino-hd/martiis-buildsystem-cs/commit/421cdc974a89838c521e217e244183cbcd4d95ef
The nightly VLC 3.0.0 has also some HDS recording capabilities...
But I find that AdobeHDS.php script (by KSV) is working
wonders with the Beeb's HDS streams!
3. Does anyone know of a way to capture MPEG-DASH live streams?
By the summer, though vague, is not too far in the future!

Most kind regards,
Vangelis. 



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Re: BBC Ceases To Use MP3...

2015-02-09 Thread Christopher Woods
This is likely because they're now on Audio Factory. As of right now, 22 of 
the 40 LR stations are now on AF with the rest due to be migrated by Wednesday.


This will bring advantages in terms of a reduction in network complexity 
(seriously, it's a headache-inducing patchwork of different services and 
providers -- plus the audio quality of the old circuits is hugely variable 
and often quite ropey), and it'll bring a cost saving.


However, this means everything is moving to HLS/HDS (eventually also DASH) 
with no more WMA (or MP3). That I'm not so sad about. AAC has completely 
supplanted MP3 and I can't think of many (if any) devices that don't 
support it in hardware or via software update.


That said, there will remain a Shoutcast MP3 stream of Network stations for 
legacy internet radio devices - which won't be around for ever. I use 
(used!) the AAC Shoutcast streams and it'll be a loss to me as they're also 
being canned. But it's like arguing with the wind to expect a Shoutcast CDN 
to be kept running just so me and half a dozen others can listen to unicast 
AAC... ;)


More info published today from the manager of Audio Factory: 
http://www.bbc.co.uk/blogs/internet/entries/977a1954-658f-4fb2-a23c-71680c49882f



On 9 February 2015 15:04:47 Steven Carr sjc...@gmail.com wrote:


On 9 February 2015 at 14:55, CJB chrisjbr...@gmail.com wrote:
 ... well - at least for the Radio Lancashire folk prog. 'The Drift.'
 This used to download in MP3 format along with hundreds of #'s. Now it
 appears to be in M4A - the Beeb's usual format for audios. Just an
 observation. CJB.

I add the following flags to get it back to MP3 (and in a format where
iTunes recognizes it as a podcast and doesn't screw with it)...

--tag-podcast-radio --aactomp3

Steve

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