ref: 0077f4b8723c81e7f094f190f78715fdda21b5ef dir: /dnn/concat.sh/
# Place in 16k-LP7 from TSPSpeech.iso and run to concatenate wave files # into one headerless training file for i in */*.wav do sox $i -r 16000 -c 1 -t sw - done > input.s16