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LEARN ABOUT DEBIAN

vbrfix

VBRFIX(1)							   User Commands							 VBRFIX(1)

NAME

       vbrfix - fix erroneous VBR MP3 files

SYNOPSIS

       vbrfix -flag1 -flag2 -flagn in.mp3 out.mp3

DESCRIPTION

       In  an  average	song there are points that require high quality and points that require low quality (i.e., silence). Instead of having the
       whole file at 160kbps (CBR - Constant Bit Rate), we can use VBR - Variable Bit rate. This allows us  to	have  say  96Kbps  at  points  not
       requiring high quality and 192kbps when we need it: resulting in an overall smaller but higher quality MP3.

       However,  the  problem is that many MP3 programs estimate the time of a MP3 based on the first bitrate they find and the filesize. With VBR
       you can get fairly random times; as most songs start with silence you usually get the song length being shown as much longer than it should
       be. Also when you jump through the file in VBR: 50% through the file is not 50% through the song.

       A  VBR  null frame is placed at the beginning of the file to tell the MP3 player information about the song length and indexing through the
       song.  Some poor encoders don't produce this null frame or do so incorrectly - this is what vbrfix attempts to fix.  Vbrfix  can  also  fix
       other problems with MP3s as it deletes all non-MP3 content (other than tags you state you want to keep).

       It can also help when merging two VBR MP3s together with a merging tool and then needing a newly calculated VBR null frame.

       -ri1	     removeId3v1 Tag

       -ri2	     removeId3v2 Tag

       -skiplame     if a tag was made by LAME don't fix it

       -always	     always write a new file even if not VBR

       -makevbr      make it VBR (you need -always also)

       -log	     write a log file

       -lameinfo     keep the lame info

SEE ALSO

       lame (1)

VBRFIX Command Line Version					     May 2010								 VBRFIX(1)

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