Convert mp3 to wav¶

конвертация mp3 в wav mono, 8000Hz, 64 kbs

#!/usr/bin/env bash
#
inDir="/zdata0/share/asterisk_musik"
cd "${inDir}"

for file in *.mp3
do
    inFile="${inDir}/${file}"
    outFile="/var/asterisk-voice/moh/$(basename -s .mp3 "${file}").wav"
    sox "${inFile}" -c 1 -r 8000 "${outFile}" > /dev/null 2>&1
    chown asterisk:asterisk "${outFile}"
    echo "DONE: ${outFile}"
done