diff options
| author | jules <jules@asdf.us> | 2018-03-20 23:35:18 +0100 |
|---|---|---|
| committer | jules <jules@asdf.us> | 2018-03-20 23:35:18 +0100 |
| commit | ea6e6ee1040fa85f743ab50b699fbeb04d9a0522 (patch) | |
| tree | e056f13c3ef89c5b6b8713a7f80c837b333129af /datasets/spread.sh | |
| parent | 4167442627b1414ff8fdc86528812b46168c656b (diff) | |
scripts
Diffstat (limited to 'datasets/spread.sh')
| -rwxr-xr-x | datasets/spread.sh | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/datasets/spread.sh b/datasets/spread.sh new file mode 100755 index 0000000..bec1da3 --- /dev/null +++ b/datasets/spread.sh @@ -0,0 +1,25 @@ + +if [ "$#" -ne 5 ]; then + echo "Usage: $0 <in.wav> <out.wav> <rate_min> <rate_step> <rate_max>" + exit +fi + +FN_IN=$1 +FN_OUT=$2 +RATE=$3 +STEP=$4 +MAX=$5 + +ITER=0 +while true; do + if (( $(echo "$RATE > $MAX" | bc -l) )); then + break + fi + let ITER+=1 + RATE=`echo "$RATE+$STEP" | bc` + sox $FN_IN "tmp_$ITER.wav" speed $RATE +done + +sox tmp_* $FN_OUT +rm tmp_* + |