HOWTO: amplify mp3 file without clipping

I tried to make my own iphone ringtones.
But the music I choose has very small volume, so I need it to be louder.
Google gave me the solution.

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ref : http://forum.audacityteam.org/viewtopic.php?f=28&t=14567&sid=cf371db3400fa65f5c5575b8c5b3fc13

Chris's page -> audacity plug-in : http://pdf23ds.net/software/dynamic-compressor/

install Chris's dynamic compressor plug-in :
1. download "compress.ny" file from chris's page.
2. copy it to /usr/share/audacity/plug-ins/ (ubuntu jaunty 9.04)
3. restart audacity

Audacity -> select all range ->

1. menu > effect > amplify > set dB to (given dB) - 0.1 to prevent clipping
2. menu > effect > plug-ins > compress dynamics
3. change parameters, and click ok.

HOWTO: convert an ape to splitted flac files by cue sheet in ubuntu

http://aidanjm.wordpress.com/2007/02/15/split-lossless-audio-ape-flac-wv-wav-by-cue-file/

convert ape to flac or mp3 according to cue sheet in ubuntu

install shntool, flac and wavpack

sudo aptitude install cuetools shntool
sudo aptitude install flac wavpack

splitting ape file into flac files

cuebreakpoints sample.cue | shnsplit -o flac sample.ape

splitting ape file into mp3 format

cuebreakpoints sample.cue | shnsplit -o 'cust ext=mp3 lame -b 320 -h --quiet - %f' sample.ape

Transferring tags

cuetag sample.cue split-track01.flac split-track02.flac split-track03.flac split-track04.flac

Other (better) way :
ref: http://www.soundunreason.com/InkWell/?p=1282

shnsplit -o flac -f a.cue -t “%n – %t” a.ape

cuetag a.cue *.flac

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쏜다는 평이 있긴 한데.. 모르겠음.