Rockbox mail archive
Subject: Re: Trimming an MP3 file
From: Chris Holt (amiga2k_at_cox.net)
On Sat, 21 Jun 2003 01:09:17 +0200, Linus Nielsen Feltzing wrote:
>Johan Vromans wrote:
>>So I did. Removed two frames from the start. And this is what I get:
>>Time: | | | | | (tick = 50ms) Original:
>>There are 50ms gone, but not the first.
>How is the file encoded? Is it VBR or CBR? What samplerate/bitrate?
>If you use 44100kHz, each frame is about 26 milliseconds. It looks like
>the first frame in your new stream is muted by the MP3 decoder, probably
> because it contains data that depends on the previous frame (the bit
>reservoir) that you cut out. Which decoder do you use?
If I could add this excellent FAQ to your answer, I think Johan might
find it very enlightening. Especially the first three questions.
Page was last modified "Jan 10 2012" The Rockbox Crew