The actors:
The script:
madplay -t 25 -o wave:/tmp/vesoul.wav ~/music/brel/100_4/18_vesoul.mp3
time rubberband -t2 /tmp/vesoul.wav /tmp/vesoul_rubberband.wav
time stretch -t 2 -a .9 /tmp/vesoul.wav /tmp/vesoul_stretch.wav
for f in /tmp/vesoul*.wav ; do lame -b 128 -m m -q 0 $f ${f%%wav}mp3 ; done
The output:
MPEG Audio Decoder 0.15.2 (beta) - Copyright (C) 2000-2004 Robert Leslie et al.
Title: Vesoul
Artist: Jacques Brel
Album: Les 100 plus belles chansons -
Track: 18
Year: 0
Genre: Other
958 frames decoded (0:00:25.0), -0.8 dB peak amplitude, 0 clipped samples
Using crispness level: 5 (Crisp monophonic instrumental)
Using time ratio 2 and frequency ratio 1
Pass 1: Studying...
Calculating profile...
Pass 2: Processing...
in: 1103616, out: 2207232, ratio: 2, ideal output: 2207232, error: 0
elapsed time: 3.59208 sec, in frames/sec: 307236, out frames/sec: 614472
real 0m3.599s
user 0m5.378s
sys 0m0.118s
reading 2 channel(s) from /tmp/vesoul.wav, writing to /tmp/vesoul_stretch.wav
DFT length: 1024, overlap: in=128, out=256, stretch: 2.0000, amplify: 0.90
real 0m3.201s
user 0m3.041s
sys 0m0.144s
LAME version 3.96.1 (http://lame.sourceforge.net/)
Autoconverting from stereo to mono. Setting encoding to mono mode.
Using polyphase lowpass filter, transition band: 20094 Hz - 20627 Hz
Encoding /tmp/vesoul_rubberband.wav to /tmp/vesoul_rubberband.mp3
Encoding as 44.1 kHz 128 kbps single-ch MPEG-1 Layer III (5.5x) qval=0
Frame | CPU time/estim | REAL time/estim | play/CPU | ETA
1915/1918 (100%)| 0:31/ 0:31| 0:31/ 0:31| 1.6070x| 0:00
average: 128.0 kbps
Writing LAME Tag...done
ReplayGain: -3.5dB
LAME version 3.96.1 (http://lame.sourceforge.net/)
Autoconverting from stereo to mono. Setting encoding to mono mode.
Using polyphase lowpass filter, transition band: 20094 Hz - 20627 Hz
Encoding /tmp/vesoul_stretch.wav to /tmp/vesoul_stretch.mp3
Encoding as 44.1 kHz 128 kbps single-ch MPEG-1 Layer III (5.5x) qval=0
Frame | CPU time/estim | REAL time/estim | play/CPU | ETA
1914/1916 (100%)| 0:31/ 0:31| 0:31/ 0:31| 1.5913x| 0:00
average: 128.0 kbps
Writing LAME Tag...done
ReplayGain: -5.2dB
LAME version 3.96.1 (http://lame.sourceforge.net/)
Autoconverting from stereo to mono. Setting encoding to mono mode.
Using polyphase lowpass filter, transition band: 20094 Hz - 20627 Hz
Encoding /tmp/vesoul.wav to /tmp/vesoul.mp3
Encoding as 44.1 kHz 128 kbps single-ch MPEG-1 Layer III (5.5x) qval=0
Frame | CPU time/estim | REAL time/estim | play/CPU | ETA
957/960 (100%)| 0:14/ 0:14| 0:14/ 0:14| 1.7743x| 0:00
average: 128.0 kbps
Writing LAME Tag...done
ReplayGain: -6.7dB