Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-30 Thread Sampo Syreeni
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 with

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-30 Thread Ralf R Radermacher
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 -- Ralf R. Radermacher - Köln/Cologne, Germany Blog : http://the-real-fotoralf.blogspot.com Audio : http://aporee.org/maps/projects/f

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-30 Thread David Pickett
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 sa

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-30 Thread Ralf R Radermacher
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 : http://the-real-fotoralf.blogspo

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-30 Thread Sampo Syreeni
On 2014-03-30, 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. ...and many others in their w

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-30 Thread Andy Furniss
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 "n

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-30 Thread Dave Malham
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 wrote: > I download

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-20 Thread Paul Hodges
--On 20 March 2014 15:41 + Andy Furniss 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 uncomfortable - not t

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-20 Thread Andy Furniss
Paul Hodges wrote: --On 20 March 2014 11:14 + Andy Furniss 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,

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-20 Thread Paul Hodges
--On 20 March 2014 11:14 + Andy Furniss 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, this issue is the sa

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-20 Thread Paul Hodges
--On 20 March 2014 12:02 +0100 David Pickett 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 t

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-20 Thread Fons Adriaensen
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. No

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-20 Thread Andy Furniss
Paul Hodges wrote: Or maybe I just don't understand digital audio properly, or at least the Internet aspect of it. I think it's just like playing any compressed audio file. AIUI they are just streaming 4 channel AAC, so with the buffering that is implicit in streaming you may as well be playin

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-20 Thread David Pickett
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: http://su

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-20 Thread Paul Hodges
--On 19 March 2014 18:47 +0100 David Pickett 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 master clock? M

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-19 Thread John Leonard
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 r

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-19 Thread David Pickett
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 announcement

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-19 Thread Aaron Heller
I downloaded the MPD file on the FAQ page with wget http://rdmedia.bbc.co.uk/dash/ondemand/channel_test/1/5.mpd If I'm reading it correctly, the channel announcements are 320 kbits/sec, 48k sample rate. Aaron On Wed, Mar 19, 2014 at 1:01 AM, Kees de Visser wrote: > On 19 Mar 2014, at 07:33

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-19 Thread Kees de Visser
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 B

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-18 Thread David Pickett
At 23:33 18-03-14, Paul Hodges wrote: >--On 18 March 2014 23:18 +0100 David Pickett 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 >reasonabl

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-18 Thread Paul Hodges
--On 18 March 2014 23:18 +0100 David Pickett 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 first break. Bu

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-18 Thread David Pickett
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 ___ Sursound mailing list Sursound@music.vt.edu https://

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-18 Thread John Leonard
Hmm, tonight's concert started out well, now stream has gone off-line here. Live streaming of the stereo feed from the BBC Web-site seems fine, but no surround at the moment. Ah, Twitter feed says technical hitch... John On 18 Mar 2014, at 12:13, John Leonard wrote: > Got back in time to gra

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-18 Thread John Leonard
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 t

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-17 Thread Ralf R Radermacher
Am 17.03.14 18:27, schrieb Pierre Alexandre Tremblay: I use very reliably jackosx Would you have a set-up that you could share with me? I've had Jack installed for a long while, never got it to wkork, and every time I decide it might be worth another try to get it up and running ends in tear

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31.March)

2014-03-17 Thread Paul Hodges
--On 17 March 2014 22:06 +0100 David Pickett wrote: > it is being streamed live over the internet, and apart from a few > dropouts is actually WORKING! Furthermore, it is not TOO difficult > to make it work at home. A separate message to keep my disappointment away from this real step forward.

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31.March)

2014-03-17 Thread Paul Hodges
--On 17 March 2014 21:19 + Paul Hodges 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 -- Paul Hodges ___ Sursound mailing list Sursound@music.vt.

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31.March)

2014-03-17 Thread Paul Hodges
--On 17 March 2014 22:06 +0100 David Pickett wrote: > I turned the back up 4dB. It works for the applause. 6dB seems a > bit too much to me. But how much sound do you expect to surround you > in the RFH? It may be better than it was, but it's not King's Chapel! Sure - but even with my 6dB, t

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31.March)

2014-03-17 Thread Kees de Visser
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 t

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31.March)

2014-03-17 Thread David Pickett
At 21:46 17-03-14, Paul Hodges wrote: >--On 17 March 2014 20:52 +0100 David Pickett 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 - Ma

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31.March)

2014-03-17 Thread David Pickett
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!

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31.March)

2014-03-17 Thread Paul Hodges
--On 17 March 2014 20:52 +0100 David Pickett 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 surround, well huh

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31.March)

2014-03-17 Thread Augustine Leudar
> > "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 > > > ___ > Sursound mailing list > Sursound@music.vt.edu > https://mail.music.

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31.March)

2014-03-17 Thread David Pickett
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 in

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31.March)

2014-03-17 Thread Aaron Heller
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) Men

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31.March)

2014-03-17 Thread Richard
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 bee

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-17 Thread Pierre Alexandre Tremblay
I use very reliably jackosx p Le 17 mars 2014 à 16:59, Dave Malham a écrit : > Soundflower, perhaps? > > > On 17 March 2014 15:32, Ralf R Radermacher wrote: > >> Am 17.03.14 16:25, schrieb Paul Hodges: >> >> (note to self: check multi-channel recording setup is OK). >>> >> >> Speaking of

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-17 Thread Dave Malham
Soundflower, perhaps? On 17 March 2014 15:32, Ralf R Radermacher 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 streams but

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-17 Thread Paul Hodges
--On 17 March 2014 16:32 +0100 Ralf R Radermacher 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 on the Mac a

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-17 Thread Paul Hodges
--On 17 March 2014 15:25 + Paul Hodges 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 one I can't identify (

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-17 Thread Ralf R Radermacher
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

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-17 Thread Paul Hodges
--On 17 March 2014 00:16 + Richard Dobson 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 to self: check multi-channel

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-16 Thread Bo-Erik Sandholm
I do neto succeed in listening to this in Stockholm Sweden, any one succeeding outside of UK? Bo-Erik ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-16 Thread Richard Dobson
On 16/03/2014 23:26, Paul Hodges wrote: --On 16 March 2014 18:28 +0100 David Pickett wrote: I just stumbled on this: The test in the faq works as it says - no surprise there, as I'm set up to play the main surround formats. However, the faq also links to the R3 schedule for information on w

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-16 Thread Paul Hodges
--On 16 March 2014 18:28 +0100 David Pickett wrote: > I just stumbled on this: The test in the faq works as it says - no surprise there, as I'm set up to play the main surround formats. However, the faq also links to the R3 schedule for information on when the next test is. But does this sched

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-16 Thread Marc Lavallée
Augustine Leudar 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 on Linux! What

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-16 Thread Augustine Leudar
not at home now - cant you just swap the "leads" round on the jack interface ? On 16 March 2014 20:36, Marc Lavallée wrote: > Augustine Leudar 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

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-16 Thread Richard Dobson
On 16/03/2014 20:36, Marc Lavallée wrote: Augustine Leudar 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 chann

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-16 Thread Marc Lavallée
Augustine Leudar 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 an RME too , As long

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-16 Thread David Pickett
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

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-16 Thread Augustine Leudar
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 wrote: > There not streaming at the moment so I cant test it - I would guess that > either the browser automatically r

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-16 Thread Augustine Leudar
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 soun

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-16 Thread David Pickett
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

Re: [Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-16 Thread Augustine Leudar
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 wrote: > I just stumbled on this: > > http://rdmedia.bbc.co.uk/radio3/faq.html >

[Sursound] BBC Radio Three Surround Streaming Trial (15. to 31. March)

2014-03-16 Thread David Pickett
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 ___ Sursound mailing list Sursound@mus