[Vorbis] FYI: power consumption MP3 vs. Vorbis

[Ulrich Windl]

On 27 Feb 2008 at 9:18, xiphmont at xiph.org 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