[vorbis-dev] How many MIPS for Vorbis Decoder?

[Jens Prüfer]

Hello,

> Take a look at Johannes Sundvall's master thesis on this subject. He posted
> it to this mailing list only a week ago. Short summary: With quite a lot of
> code tweeking and optimizations, he managed to get the processing
> requirements for decoding Vorbis streams to just below 50 MIPS.

Hmm, can't find that message. Do you have a link?

> I think he was testing with 128kbps streams, but the Vorbis bitrate does
> not seem to affect the processing power that much, as the most costly part
> is the iMDCT which depends on frame size and sample rate and not directly
> on the stream's bit rate.

Ok, maybe I can get away with lower sampling rates. I don't need HiFi quality, 
just clear and understandable mono audio. Lets say -q slightly-better-than 
airport-announcements :)

Cheers

Jens
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