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All, Progress has been made on the proposed draft spec for integrating ambisonics into vorbis. We are not yet finished (should be soon), but you can see the progress here: http://docs.google.com/Doc?id=df4dtw69_3626qqq6st The issue we have hit now concerns how/who would implement the encoding and decoding in Vorbis Tools. Because ambisonics uses spherical harmonic components, an ambisonic file could contain anything from 3 channels up to (potentially) 16 and more channels. Both encoding and decoding would then be e...

...binations of horizontal and vertical orders above 3rd order. for example 9 channels can be interpreted as 2/2 or 4/0 (2nd order horizonal 2nd order vertical or 4th order horizontal without any vertical component). Mr. Oli, if you are AKA Mr. Thuns, you will see from http://docs.google.com/Doc?id=df4dtw69_3626qqq6st that we adopt the Thuns / Travis scheme that allows us to specify any number of channels up to and beyond 255 without ambiguity and without further mapping types or metadata. We believe the scheme we propose will slot into Vorbis with little or no fuss and provide immediate and long term enhancem...

2008/9/25 e deleflie <edeleflie at gmail.com>: > Hi Vorbis-dev, > Hi, > I've been on this list for a couple of weeks, but its been quiet, so I > dont know who is who. > > My name is Etienne Deleflie, I am the creator of www.ambisonia.com, > and I am (together with the Ambisonic community) looking for a > 'delivery format' for Ambisonic data. > >