Re: [Sursound] online multichannel release

[Marinos Koutsomichalis]

thus far:

- I tried ac3 and it seems ok to me - VLC can playback with no problems
- I haven' t yet managed to encode to AAC - I get an error that libfaac is 
missing when using ffmpeg and audacity refuses to find the proper library - 
still looking for some other encoder
- I easily encoded to flac with sox but the size is huge and thus totally 
inadequate for my purposes
- ogg vorbis encode fine with sox but VLC crashes..

so 2 questions:

1. what are the right settings for a HQ quad ac3 ?? I used 44.100 and 192k 
which sounds ok - but then I don' t have very good speakers to be sure - let 
aside the file is pretty small which means I can afford higher nitrates
2. What' s the verdict of an aac vs ac3 comparison ???  


On 29 Nov 2011, at 00:12, Marinos Koutsomichalis wrote:

> oh yeah I did encode them and they did seem file - but I could not play back 
> them..
> 
> it was pretty easy to encode actually..
> 
> I google it a bit and there are a couple of bug reports about ogg+video 
> problems - so there seems to be some problem
> 
> m
> 
> On 28 Nov 2011, at 23:01, Eero Aro wrote:
> 
>> Marinos Koutsomichalis wrote:
>>> I tried encoding to 4 channel ogg via both sox and audacity and VLC crashes 
>>> when I try to playback for some reason,
>> 
>> Hmm.
>> I have used the encoder in the past and it worked ok
>> and the files played fine. Sorry, but can't remember
>> if I had any troubles in using the encoder. It could have
>> been possible that I had to to rename the two
>> stereo files in the same way as the Zoom H2 names
>> them.
>> 
>> Did the software encode your files anyway? Did you
>> get to that point?
>> 
>> Eero
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> 
> --
> Marinos Koutsomichalis
> Music Research Center, University of York
> Contemporary Music Research Centre (CMRC)
> www.marinoskoutsomichalis.com
> www.agxivatein.com
> skype: marinosk_81
> 
> 
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--
Marinos Koutsomichalis
Music Research Center, University of York
Contemporary Music Research Centre (CMRC)
www.marinoskoutsomichalis.com
www.agxivatein.com
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Re: [Sursound] online multichannel release

[Marinos Koutsomichalis]

oh yeah I did encode them and they did seem file - but I could not play back 
them..

it was pretty easy to encode actually..

I google it a bit and there are a couple of bug reports about ogg+video 
problems - so there seems to be some problem

m

On 28 Nov 2011, at 23:01, Eero Aro wrote:

> Marinos Koutsomichalis wrote:
>> I tried encoding to 4 channel ogg via both sox and audacity and VLC crashes 
>> when I try to playback for some reason,
> 
> Hmm.
> I have used the encoder in the past and it worked ok
> and the files played fine. Sorry, but can't remember
> if I had any troubles in using the encoder. It could have
> been possible that I had to to rename the two
> stereo files in the same way as the Zoom H2 names
> them.
> 
> Did the software encode your files anyway? Did you
> get to that point?
> 
> Eero
> ___
> Sursound mailing list
> Sursound@music.vt.edu
> https://mail.music.vt.edu/mailman/listinfo/sursound

--
Marinos Koutsomichalis
Music Research Center, University of York
Contemporary Music Research Centre (CMRC)
www.marinoskoutsomichalis.com
www.agxivatein.com
skype: marinosk_81












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Re: [Sursound] online multichannel release

[Eero Aro]

Marinos Koutsomichalis wrote:

I tried encoding to 4 channel ogg via both sox and audacity and VLC crashes 
when I try to playback for some reason,


Hmm.
I have used the encoder in the past and it worked ok
and the files played fine. Sorry, but can't remember
if I had any troubles in using the encoder. It could have
been possible that I had to to rename the two
stereo files in the same way as the Zoom H2 names
them.

Did the software encode your files anyway? Did you
get to that point?

Eero
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Re: [Sursound] Greetings (and a newcomer's first submission)

[Martin Leese]

Fons Adriaensen  wrote:
...
> As Michael points out, you can have 3-D first order with
> 8 speakers, either a cube or one of the bi-rectangle
> layouts. If you are going to reproduce only 1st order
> material I'd certainly recommend one of those over using
> 8 speakers for horizontal only.

To see the various speaker configurations for
first-order full-sphere, look in the following
reference:

M.A. Gerzon, "Practical Periphony", Preprint
1571 of the 65th Audio Engineering Society
Convention, London (1980 Feb.)
(A relatively non-technical account of practical
with-height full-sphere Ambisonic decoding)

Regards,
Martin
-- 
Martin J Leese
E-mail: martin.leese  stanfordalumni.org
Web: http://members.tripod.com/martin_leese/
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Re: [Sursound] online multichannel release

[Marinos Koutsomichalis]

I tried encoding to 4 channel ogg via both sox and audacity and VLC crashes 
when I try to playback for some reason, 

I' m still experimenting with the rest options

On 28 Nov 2011, at 20:29, Eero Aro wrote:

> Vortex Zoom Encoder

--
Marinos Koutsomichalis
Music Research Center, University of York
Contemporary Music Research Centre (CMRC)
www.marinoskoutsomichalis.com
www.agxivatein.com
skype: marinosk_81












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Re: [Sursound] online multichannel release

[Eero Aro]

The Vortex Zoom Encoder encodes four channels
of audio into a DTS file.

Limited to 44.1/16 bit. Trial 30 days.

Eero
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Re: [Sursound] online multichannel release: HTML5 test

[Fabio Kaiser]

Worked fine with Safari and Mac OSX. 
I tried using jack. It immediately showed the 6 channel web process in the 
routing window!
Also without jack it directly played back. 

Could you give some background on the HTML5 implementation or on how you 
realized this?

Regards

Fabio

Am 27.11.2011 um 05:08 schrieb etienne deleflie:

> I've been meaning to try out HTML5's capabilities for a while, now seems a
> good time.
> 
> http://soundofspace.com/static/test_html5.html
> 
> This page hosts an (ambisonicaly decoded) 5.1 file in AAC and AC3 
> using HTML5 the browser should automatically choose the one it can support.
> 
> InternetExplorer 9 supports AAC, so does Safari and so does Chrome. So that
> covers around 50% of browsers. BUT ... it also covers the two main OSes.
> 
> Firefox is the other 50% ... and that means Ogg ... not sure if firefox
> supports AC3 but I dont think it does.
> 
> The only question is whether or not the Browser can successfully stream the
> 5.1 channels to the sound card connected to multiple speakers.
> 
> ... any reports of success or failure would be appreciated.
> 
> Etienne
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