[Vorbis] FYI: power consumption MP3 vs. Vorbis

Ian Malone ibmalone at gmail.com
Wed Feb 27 06:03:02 PST 2008


On 27/02/2008, Ulrich Windl <ulrich.windl at rz.uni-regensburg.de> wrote:
> Hi,
>
>  I'm using a Samsung YEPP 6 for some time, but I recently got surprised: It seems
>  that listening to Ogg (=Vorbis) empties the batteries much faster than listening
>  to MP3. Both files have about the same bit rate. I did not make electrical
>  measurements, but I think things are as they seem to be.
>
>  Did anybody make similar experience? Or maybe "required CPU cycles to decode"
>  statistics? It would be great if Vorbis needed less power than MP3...
>

Unfortunately Vorbis is more intensive than mp3 (this is why old
hardware players couldn't handle it), sometimes leading to higher
battery drain.  (That said I use rechargeable batteries in my player
and rarely have to change them.)

-- 
imalone


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