diff options
Diffstat (limited to 'tools/split_audio')
| -rw-r--r-- | tools/split_audio | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/split_audio b/tools/split_audio new file mode 100644 index 0000000..4e97221 --- /dev/null +++ b/tools/split_audio @@ -0,0 +1,24 @@ +#!/bin/bash +# +# Date: 2009-11-30 +# Author: Ole Kristian Lien +# License: GNU General Public License +# +# Splits stereo channel into left and right, then +# combines them back into an audio file (stereo) + +BITRATE=`./audio_bitrate $1` +EXT=`echo "$1"|awk -F . '{print $NF}'` +NAME=`basename $1 .$EXT` + +if [ -z "$1" ]; then + echo "Usage: $0 <audio-file>" + exit 1 +fi + +sox $1 -c 1 left.wav mixer -l 2> /dev/null +sox $1 -c 1 right.wav mixer -r 2> /dev/null +sox -m left.wav right.wav mono.wav 2> /dev/null +sox mono.wav -c 2 stereo.wav 2> /dev/null +ffmpeg -i stereo.wav -acodec $EXT -ab "$BITRATE"k $NAME-new.$EXT 2> /dev/null +rm left.wav right.wav mono.wav stereo.wav |