[vorbis] Vorbis decoding in hardware

Segher Boessenkool segher at chello.nl
Wed Feb 21 13:34:15 PST 2001



Gregory Maxwell wrote:
> 
> On Wed, Feb 21, 2001 at 09:13:45PM +0100, Segher Boessenkool wrote:
> > USB is not fast enough for the decoded stream.
> 
> How do usb speakers work?
> 
> 44100 * 16 * 2 = 1.4112mbit/sec
> 
> USB is 11mbit/sec.

I thought USB audio could do 2 Mbps max? synchronized transfers. And you need
other transfers at the same time (Vorbis streams).

Well, I may be wrong; and it's not important, anyway, as no-one in his
right mind would make an USB Vorbis decoder ;-)

Cheers,

Segher

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