scripts/voice-cleanup.sh

   1 #!/bin/sh
   2
   3 # This script, as used at http://language101.com, shows using several
   4 # effects in combination to normalise and trim voice recordings that
   5 # may have been recorded using different microphones, with differing
   6 # background noise etc.
   7
   8 SOX=../src/sox
   9
  10 if [ $# -lt 2 ]; then
  11   echo "Usage: $0 infile outfile"
  12   exit 1
  13 fi
  14
  15 $SOX "$1" "$2" \
  16   remix - \
  17   highpass 100 \
  18   norm \
  19   compand 0.05,0.2 6:-54,-90,-36,-36,-24,-24,0,-12 0 -90 0.1 \
  20   vad -T 0.6 -p 0.2 -t 5 \
  21   fade 0.1 \
  22   reverse \
  23   vad -T 0.6 -p 0.2 -t 5 \
  24   fade 0.1 \
  25   reverse \
  26   norm -0.5