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Old 06-24-2005, 11:11 AM   #1
lumpfish
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Reduce MP3 bitrate


I have a bunch of mp3's that I would reduce the bitrate of. Wondering of a tool to use to accomplish this? I would like to retain them as mp3's just bring down the size from 512 to 128.
 
Old 06-25-2005, 05:24 AM   #2
mmmm
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You need lame - mp3 coder. You can download it on http://lame.sourceforge.net/ . Then to every file you need :
1. Uncompress to wave - lame --decode <file>
2. Compress to mp3 with bitrate 128 - lame -b 128 <wav file>
Then put this in for (or foreach) in bash script
 
Old 06-25-2005, 06:02 AM   #3
mmmm
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Ok : Put all mp3 files in one directory. Cd to this directory . Put in bash script :

#!/bin/bash

for file in `ls`
do
file=`echo $file | sed s/\ /_/g`
echo $file
lame --decode $file
lame -b 128 $file.wav
rm $file
rm $file.wav
mv $file.wav.mp3 $file
done

It will recode EVERY file in this directory, So here should be only mp3's. WARNING : It doesn't work when names of files contains " " (space) !!
 
Old 10-26-2009, 04:49 AM   #4
shaakunthala
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Lightbulb Better Sccript

The following script would do a favour:

http://www.4shared.com/file/14371378...c9/mp3enc.html
 
Old 10-26-2009, 04:59 AM   #5
shaakunthala
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Thumbs up

Quote:
Originally Posted by shaakunthala View Post
The following script would do a favour:

http://www.4shared.com/file/14371378...c9/mp3enc.html
Sorry, I forgot to put the usage,

$ ./mp3enc.sh <directory where your mp3 files are> <bitrate in kbps>

You'll get the processed output inside <directory where your mp3 files are>/output
This script does not recurse into subdirectories.
 
Old 10-26-2009, 05:17 AM   #6
H_TeXMeX_H
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I recommend the "-V2" option, but some old or crappy mp3 players don't support variable bitrate.
 
  


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