Batch Convert MP3 Bitrate

mkdir save && for f in *.mp3; do lame -b xxx "$f" ./save/"${f%.mp3}.mp3"; done
Batch Convert MP3 Bitrate to xxxkbps, all the new files will be placed in a folder called "save". Please replace xxx with the desired bitrate. WARNING!!! This will erase any tag information; this is where Picard or EasyTAG will come in handy.
Sample Output
ID3v2 found. Be aware that the ID3 tag is currently lost when transcoding.
LAME 3.98.4 32bits (http://www.mp3dev.org/)
CPU features: MMX (ASM used), SSE (ASM used), SSE2
Using polyphase lowpass filter, transition band: 16538 Hz - 17071 Hz
Encoding song.mp3
      to ./save/song.mp3
Encoding as 44.1 kHz j-stereo MPEG-1 Layer III (11x) 128 kbps qval=3
    Frame          |  CPU time/estim | REAL time/estim | play/CPU |    ETA 
   400/9794   ( 4%)|    0:00/    0:13|    0:00/    0:15|   18.332x|    0:14 
----04:05----------------------------------------------------------------------
   kbps        LR    MS  %     long switch short %
  128.0       16.8  83.2        99.1   0.5   0.4

-1
By: o0110o
2011-05-30 17:19:36

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