0_transcode.sh

#!/bin/bash


# Chose one of the following bitrates, depending on the model you want to train
# x-low, low models
#RATE=16000
# medium, high models
RATE=22050


CODEC=pcm_s16le
CHANNELS=1

TMP=/tmp/wav
mkdir -p ${TMP}

for file in ./raw/*.wav; do
  ffmpeg -i ${file} -ac ${CHANNELS} -acodec ${CODEC} -ar ${RATE} -y ${TMP}/$(basename ${file})
done

rm ./raw/*.wav
mv ${TMP}/*.wav ./raw/