On Tue, 2011-02-08 at 05:40 -0600, Sherwood McGowan wrote: > On Tue, Feb 8, 2011 at 5:09 AM, Ishfaq Malik <i...@pack-net.co.uk> > wrote: > Hi > > We're getting requests coming in for higher quality audio in > our call > recordings. We currently use MixMonitor and everything is > being saved in > it's native 8000Hz, 16 bit wav format. > > I have seen information on using Monitor and specifying a > conversion to > mp3 when the call ends and the 2 channels get mixed but surely > the 2 > channels are already saved as 16bit 8000Hz wav files so the > quality is > lost already? > > Is there any way of making high quality recordings of call > content? > > > Have you ever heard of the saying "You can't polish a turd" ? > > It doesn't matter if you have an app capable of recording 196Khz 24bit > recordings (or capable of upsampling to that sample rate)...if the > call itself is native at 8Khz 16bit, you'd just be making a bigger > recording file with no literal improvement in quality. > > You can't create more samples of audio from nothing. it's like taking > a new box of, say, 50 paperclips... Now, go get an empty box that says > it contained 250 paperclips when it was purchased... Now, throw all 50 > paperclips from the little box into the big box marked 250..now, > imagine REALLY REALLY hard that you think you can perceive about 5 > more paperclips somewhere all mixed up in the > jumble...(Extrapolation).... > > that, my friend, is an over simplified metaphor, but in essence it's > close enough to get the point across.. > > Sorry bud :( If you don't believe me, I can refer you to my old audio > production school ;-D ) > > Slainte! > the Mick > That answer was pretty much what I was expecting. Just wanted to make sure.
-- Ishfaq Malik Software Developer PackNet Ltd Office: 0161 660 3062 -- _____________________________________________________________________ -- 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