[vorbis-dev] Multichannel Encoding

Marshall Eubanks tme at 21rst-century.com
Tue Jan 23 13:49:47 PST 2001

"Richard W.E. Furse" wrote:

> Sounds like a good start - but I hope you won't just restrict to the mere
> four channels of first-order Ambisonics? I'm looking at encodings that will
> use quite a few more channels (e.g. see
> http://www.muse.demon.co.uk/3daudio.html for a second-order, nine channel
> Ambisonic encoding) with significant redundancy. You probably want this
> facility for 5.1/7.1 support anyway...
> --Richard
> -----Original Message-----
> From:   Marshall Eubanks [SMTP:tme at 21rst-century.com]
> Sent:   Tuesday, January 23, 2001 8:34 PM
> To:     vorbis-dev at xiph.org
> Subject:        Re: [vorbis-dev] Multichannel Encoding
> [...]
> I believe that the current goal is to implement ambisonics. From August
> [...]

Dear Richard;

Have you given consideration as to the difference in channel correlation and human audio phase / amplitude sensitivity as a function
of frequency ? This is, of course, the basis of normal stereo in MP3...

                                 Marshall Eubanks

T.M. Eubanks
Multicast Technologies, Inc
10301 Democracy Lane, Suite 410
Fairfax, Virginia 22030
Phone : 703-293-9624
Fax     : 703-293-9609
e-mail : tme at on-the-i.com     tme at multicasttech.com

http://www.on-the-i.com http://www.buzzwaves.com

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