[Vorbis] Question about Ogg files Structure

[Michiel Toneman]

It's nothing to do with the harddrive. Any "normal" song will
comfortably fit inside the iHP-120's 32Mb buffer.

The reason for the battery drain is the higher CPU load associated with
ogg decoding. The MP3 decoding software is very highly optimised, the
ogg implementation most likely much less so.

Michiel

Franck Charlemagne wrote:

> Hi,
>
> I bought an iRiver HP-120 which can read ogg files (via a hard drive).
> Many people experiment that reading ogg file decrease the baterry
> charge more quickly than with mp3 at the same bitrate.
>
> The only raisonnable reason of that mysterious thing is that reading
> ogg file is not sequential onto hard drive, and the hard drive head
> must move more than for reading an mp3 at the same quality, and that
> consume more energy.
>
>
> Right ?
>
> PS : for the benchmark, see the graph onto
> http://www.iriver.com/community/discussion_list.asp?pre_idx=8620&top_title=User%20Forum&page=2&category=&p_name=&word=
> <http://www.iriver.com/community/discussion_list.asp?pre_idx=8620&top_title=User%20Forum&page=2&category=&p_name=&word=>
>
>
>
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