[whatwg] Make Vorbis a baseline codec for <audio>

[Jonas Sicking]

On Thu, Jul 16, 2009 at 3:20 AM, Maik Merten<maikmerten at googlemail.com> wrote:
> An nice thing is that Rockbox provides CPU-consumption numbers for an
> interesting set of codecs on various hardware platforms:
>
> http://www.rockbox.org/twiki/bin/view/Main/CodecPerformanceComparison
>
> Apparently Vorbis is about as complex as MP3, while AAC is a bit more
> expensive (this may be implementation specific). Anyway, all codecs only
> use a fraction of the available CPU time and the battery lifetime seems
> to mostly depend on proper device-dependant power management (here
> Rockbox lacks a bit, AFAIK). Given Vorbis plays even on old iPods
> "hardware limitations" may not be a 100% accurate assessment.

Note that "hardware limitations" isn't as simple as "can play". For
example a portable player device uses 90% CPU to play things certainly
work, but possibly for an unacceptable short time before battery runs
out.

/ Jonas