Re: How to find out, if .mp3 file is cbr or vbr?

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#483

From: Michel Leunen
Date: Sun, 06 Jun 2004 09:00

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M_R wrote:
> How can I find out, if .mp3 file is cbr or vbr?
> 
> Even if I did not find one, perhaps there is a certain offset in the
> mp3-file where it can be found out...

A mp3 file is made up of several frames and each one contains a header. 
In this header there are 4 bits indicating the bitrate used to encode 
this frame. If all the four bits are zero, it's a frame encoded in 
variable bitrate.
Do a search on www.wotsit.org to find informations about mp3 files.

Michel
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Michel Leunen
mailto: see my homepage.
C++Builder, C++BuilderX, BCC5.5.1 Web site:
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