[EMAIL PROTECTED] wrote: >>When I listen to the GSM compressed prompts, I can hear subtle noise >>when the person is speaking -- this is irrespective of whether I listen >>to the prompts through the TDM-400 on an analogue phone or whether I do >>so directly on a workstation. It has to be possible to do better than that. >> >>It doesn't have to be CD quality sound, but it should be clear. How can >>the sound quality be improved within the limitations of an 8 kHz sample >>rate? > > I presume you know the answer: augment the .gsm files with 8k sample rate > .wave files?
If I knew the answer, I wouldn't be asking. There are other ways to improve sound quality, like changing the resolution. I would like to hear from people who have had experience fine tuning compressed audio to get the best result -- or, alternatively, from those who have used raw 8 kHz audio with Asterisk instead of .gsm files. I can't be the only person who hears the static in gsm compressed audio. Everybody I've demonstrated this to hears it (through the phone, too). I'm just trying to make Asterisk better. -Stephen- _______________________________________________ --Bandwidth and Colocation sponsored by Easynews.com -- Asterisk-Users mailing list [email protected] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
