[Vorbis-dev] 5.1 surround channel coupling

[Daniel Holth]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Josh Coalson wrote:
> --- Ivo Emanuel Gonçalves <justivo at gmail.com> wrote:
>> @Ralph
>> You mentioned Vorbis needs surround, but what about FLAC and OggPCM?
>> Are those alright and only Vorbis lacks surround due to it being a
>> lossy format?  Or what, exactly?
>
> native FLAC supports up to 8 channels and has mappings for several
> arrangements up to 5.1
> (http://flac.sourceforge.net/format.html#frame_header)
>
> but it's a much easier problem for a lossless codec.  right now,
> except for stereo, channels are always coded independently, mainly
> because I haven't done much research into patent-free multichannel
> decorrelation schemes.
>
> Josh
>
They did 4 channels on vinyl in the 60s or 70s. Would those have a
chance for digital?

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.3 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iD8DBQFFwiNKVh4W2pVfoMsRAq0UAJwNBYII2BiLPqAnGY6Ldr+uWCWeVgCfTAK2
VHsHhWxKbbDq6F2+pni43Po=
=9Ie5
-----END PGP SIGNATURE-----