[vorbis-dev] Vorbis packet sizes

[David Etherton]

> Yes, the more huffman code bits are there, the longer it takes to decode
> them, but the real time consuming component is IMHO the iMDCT. I'm not
> aware of the performances of the libVorbis components, but in my own
> vorbis decoder implementation the iMDCT takes about 90% of the overall
> decoding time. (tested on a 112kbps-44kHz stereo sample)

Is the amount of of time spent in iMDCT linear in the output sample rate at
all?  Or is it constant-time independent of the data rate?

Tremor at least on a PlayStation2 is probably 70% iMDCT IIRC.

-Dave

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