Re: FYI: power consumption MP3 vs. Vorbis

"Ulrich Windl" <[email protected]>
Newsgroups gmane.comp.multimedia.ogg.vorbis.general
Organization Universitaet Regensburg, Klinikum
Message-ID <47C67248.18269.54690FE@Ulrich.Windl.rkdvmks1.ngate.uni-regensburg.de> 
On 27 Feb 2008 at 9:18, [email protected] wrote:

> Vorbis is not more CPU intensive than MP3, but it is more memory
> intensive.  In addition, some manufacturers with memory constrained
> devices make a speed/memory tradeoff, burning more CPU to use less
> memory (see the Tremor 'lowmem' branch).
> 
> But I suspect the biggest reason Vorbis uses more battery in practice
> is that it's not been nearly so thoroughly optimized as mp3 on most
> devices.

For the Samsung YEPP series I think the chip being used can do MP3 decoding in 
hardware, while Vorbis decoding is done by a software codec.

Regards,
Ulrich
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