[vorbis-dev] Multichannel Encoding

Marco Al marco at simplex.nl
Fri Jan 26 16:38:53 PST 2001

From: "Borgerding, Mark A." <MarkAB at xetron.com>

> The filter bank implementation would be pretty fast, but could be a space
> hog.  It would probably end up needing hundreds of reference filters.  You
> could space them in various manners, but that would trade space for
> computational speed.

PCA works pretty well for HRTF's. I think <10 components half the size of the
filter (you dont need phase, minimum phase reconstruction works fine if you add
interaural delay seperately) and a set of coefficients per direction could well
be sufficient.


--- >8 ----
List archives:  http://www.xiph.org/archives/
Ogg project homepage: http://www.xiph.org/ogg/
To unsubscribe from this list, send a message to 'vorbis-dev-request at xiph.org'
containing only the word 'unsubscribe' in the body.  No subject is needed.
Unsubscribe messages sent to the list will be ignored/filtered.

More information about the Vorbis-dev mailing list