Hi,
I've used the shells-script at the end of this email to generate 8khz
mono wave-files for asterisk from a 144 khz recording.
The script does two things: resample & normalize the audio volume.
Anyone like to share their recommendations / scripts for doing this
conversion? I've just converted to 8khz wave, should I convert to
something else?
For the googler in the future this is my current script (which I hope to
improve):
BASEDIR=`dirname $0`
PROMPTDIRS="dir1 dir2"
for dir in ${PROMPTDIRS}
do
src=${BASEDIR}/recordings/prompts/${dir}
dst=${BASEDIR}/generated/prompts/8khz/${dir}
for i in ${src}/*.wav; do sox "$i" -V -r 8000 -c 1 -q -s \
"${dst}/$(basename "$i" .wav).wav" vol 0.8; done
normalize-audio -a -20dBFS "${dst}"/*
done
--
Johan Wilfer
JT Technologies & Telecommunications AB
Jabber: jo...@jttech.se | Phone: +46 31 3809100
--
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