Posted by fred-bloggs on 05/27/06 21:49

dsimcha@gmail.com wrote in news:1148753639.889294.107490
@i39g2000cwa.googlegroups.com:

> Is more CPU power needed to decode an MP3 encoded with LAME at a low -q
> setting than at a high -q setting? I have an MP3 player that has
> horrible battery life, and I'm wondering if that's because most of the
> stuff on it is encoded with LAME in VBR at -q 0. Is the processing
> power, and therefore, battery usage, needed to decode these MP3s
> signifiantly higher than for -q 2 or -q 5?
>

A low q mp3 will have a higher bitrate, will be larger and so will take
more decoding for a given track duration. The actual decoding for VBR is
no more intensive than for CBR.

Why not do a test to compare how long the battery lasts when playing mp3s
of 128 kbps or 256 kbps?

--
fred

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