while [ $(jobs -p | wc -l) -ge $MAXPROCS ]; do sleep 1; done
echo $f
- BN="$(echo $f | grep -Po "(?<=/[0-9][0-9] - ).*(?=\.flac)")"
+ BN="$(echo $f | grep -Po "(?<=/[0-9][0-9]_-_).*(?=\.flac)")"
NUM="$(printf '%02d' "$i")"
WAV="wav/$NUM.wav"
MFCC="mfcc/$NUM.mfcc"