[vorbis-dev] A possible use for multichannel ogg files!

[Phil Kerr]

Hi Rob,

This is one of the aims of a EU-wide research project we are working on
called OpenDrama.  The project is to disseminate Operatic performances
over IP.

We will use two delivery methods, DVB/IP download (Ogg files) as well
live streaming of multichannel Vorbis over RTP.  Both will go over the
Astra satellite as well as conventional multicast/unicasting.

The end user will be able to mix/mute out the vocals or instruments of a
performance from a GPL'd QT based app (Linux/Windows and OS X),
essentially allowing live stream mixing :)

You may be interested in the Vorbis RTP Internet Draft (pre RFC
document) which can be found here:

http://www.ietf.org/internet-drafts/draft-kerr-avt-vorbis-rtp-01.txt

I'm finishing off an update which will go to the Vorbis Dev list early
next week before being submitted to the IETF.

Regards

Phil

 

On Wed, 2003-05-21 at 10:57, Rob Fletcher wrote:
> Hi,
> 
> Has anyone thought about using the multichannel format as a way of
> distributing "musician minus one" files?
> 
> Eh? I hear you ask. Ok. Basically these are multitrack files but you can
> mute the solo track so you, the musician, can practice against the other
> "players". You can buy CD's of this nature, but of course, the solo
> instrument is on one channel and the others on t'other.
> 
> All we would need is a simple "mixer" application to allow tracks
> to be muted/solo'd  from a simple multichannel ogg formatted file.
> 
> Of course, only a single file would be needed to effect quite a number
> of "musician minus one" setups from a single recorded source!
> 
> What we are not wanting in this "multichannel" format is Dolby 5.1,
> other ambisonic formats etc ... but a simple mix as per  cubase,
> sonar, logic, protools etc etc but obiating the need for this expensive
> software!
> 
> Anyone had similar thoughts??? Any views, for or against?
> 
> We have a wonderful format here, we need to use it!
> 
> If I am totally wrong, tell me!
> 
> Regards,
> 
> Rob
> 
> +==========================+======================================+
> | Dr R P Fletcher    (Rob) | e  R.Fletcher at york.ac.uk             |
> | Graphics Coordinator     | t  +44 (0)1904 433816                |
> | Computing Service        | f  +44 (0)1904 433740                |
> | University of York       | w  http:/www-users.york.ac.uk/~rpf1/ |
> | YORK YO10 5DD, UK        |                                      |
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