[Asterisk-Users] Anyone else use Audacity for prompts?

[Steven Critchfield]

On Mon, 2003-10-06 at 11:08, Brad Waite wrote:
> Why, oh why, do we have to be limited to 8kHz prompts in the first
> place?

Because that is what telephony is based on. 8khz by 8 bit if on a
digital link and 7 bit if in RBS signaling.

Why are you so worried about that amount of degradation when you can't
control how much makeup and other crap is sitting in the speaker holes
on the other side deadening the sound. Then there is the weather related
noise introduced in old analog links, and then there is the whole analog
loop. If the sound quality is of such a big issue with you, go to
something other than a telephony app to use.

> Alastair Maw wrote:
> 
> > On 06/10/03 08:25, Shaun Ewing wrote:
> > 
> >>> The .wav files I'm producing are of stellar quality.  However, once I
> >>> turn them into .gsm, they sound buzzy and muffled.
> > 
> > 
> >> An example line to convert:
> >>
> >> sox file.wav -r 8000 -c 1 file.gsm
> > 
> > 
> > It'll sound much better if you go:
> > 
> > sox file.wav -r 8000 -c 1 file.gsm resample
> > 
> > Of course, there's only so much you can do to make 8kHz prompts sound 
> > any good. Doing the original recording at 8kHz is a good start.
> > 
> 
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-- 
Steven Critchfield  <critch at basesys.com>