On Tue, Aug 28, 2012 at 10:39 AM, Johan Wilfer <[email protected]> wrote: > 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: [email protected] | Phone: +46 31 3809100
Try this to test with http://www.digium.com/en/products/ivr/audio-converter.php and compare your output first... -- ~ Andrew "lathama" Latham [email protected] http://lathama.net ~ -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
