[vorbis] Here is a link to what they say about "Other Formats"

[Aleksandar Dovnikovic]

"Steven Bailey" <snbailey at uiuc.edu> wrote:

> No more limited than Vorbis, at least for the moment.  MP+ is a little
> further along the road to getting as good as it is going to.  Vorbis has
> a lot of optimization that still needs to be done.  I know a lot of
> people who are hanging back and using MP+ now with the hopes of
> switching to OGG later.  For right now, I would expect that MP+ has
> proliferated the net a good bit more, however, I expect that to change
> in short order.

MP+ only supports 44.1kHz stereo, no streaming, seeking is a bit
rudimentary (it will actually fastforward to the desired position),
low/lower bitrates are not supported (or sound very bad), uses
limited ID3 tags. But the sound quality is (so far) the best out there.
"Standard" profile gives ~160-170kbps for most music and it sounds
transparent.

> Also, I have heard AAC described as many things, but I've NEVER heard it
> described as a vector quantitization encoder.  Are you sure about that?
> And even if it does, that isn't necessarily mean that the TwinVQ part of
> the code is under patent dispute.

TwinVQ is a part of MPEG-4 AAC, and it is used for lower bitrates,
check out:
www.cselt.it/leonardo/icjfiles/mpeg-4_si/9-natural_audio_paper/index.html
There you will find all MPEG-4 AAC tools listed and explained.

Greetings,
Aleksandar

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