[Ffmpeg-devel] Fixed vs. Floating Point AAC

Rich Felker dalias
Wed Mar 8 23:33:04 CET 2006


On Wed, Mar 08, 2006 at 01:14:54PM -0800, Mike Melanson wrote:
> Rich Felker wrote:
> >Including the 'low precision' mode in tremor (which makes no audible
> >difference, i.e. you won't be able to distinguish them with
> >doubleblind testing)?? IIRC it's between 1.5 and 2x as fast as the
> >normal mode in tremor.
> >
> >BTW the testing I cited was on athlon.
> 
> 	Can you outline your profiling process? 'top'? Something a little 
> 	more accurate, perhaps?

Oded tested them on IRC a few weeks ago. He was comparing both to
ffvorbis and his own vorbis decoder implementation. IIRC he used
either mplayer -benchmark or time oggdec ... (I forget which).

Rich





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