Add script run_bs1770demo.bash to test the bs1770demo tool

#!/bin/bash -x

files=(stv48c.wav stvST48c.wav stv51MC48c.wav stv512MC48c.wav stv514MC48c.wav stv71MC48c.wav stv714MC48c.wav)

nchan=(1 2 6 8 10 8 12)

Nconf=7

i=0

OUTPUT=result.txt

rm -f $OUTPUT

while [ $i -lt $Nconf ]; do

    CopyAudio -F noheader scripts/testv/${files[i]} tmp.raw

    bs1770demo.exe -nchan ${nchan[i]} tmp.raw | grep "Input level:" >> $OUTPUT

    i=$(($i+1))

done

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