On Thursday 04 January 2007 18:01, Forrest Beck wrote: > I was just wondering what you all are doing for music on hold files > for best quality. I am not much of an expert on sound rates, bits, > stereo, mono, tracks, and all that jazz. Currently I am taking music > from a CD (our campus jazz band has recorded a CD), converting to WAV, > using Audacity to convert the stereo tracks into mono, drop the gain > to -15db, then I use sox to convert to GSM and 8 bit (by typing #> > /usr/bin/sox file1.wav -r 8000 -c1 file2.gsm resample -ql ) > > The audio while on hold is OK. I wonder if there is a way to get > better audio. I noticed that asteriskguru.com has a audio conversion > on their website. > Since telephones are so lo-fi, is there any reason to invest a lot of energy in hi-fi hold music? .wav is uncompressed and lossless, so it should sound better than .gsm which is a lossy format. But I doubt anyone can really tell the difference on a telephone. anyway, how long are you leaving your callers on hold? :) -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Carla Schroder Linux geek and random computer tamer check out my Linux Cookbook! http://www.oreilly.com/catalog/linuxckbk/ best book for sysadmins and power users ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ _______________________________________________ --Bandwidth and Colocation provided by Easynews.com --
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