[Asterisk-Users] English vs American voice files

matt.riddell at sineapps.com matt.riddell at sineapps.com
Mon Sep 20 04:15:51 MST 2004


On 20 Sep 2004 at 12:38, Andreas Sikkema wrote:

> asterisk-users-bounces at lists.digium.com wrote:
> 
> > Initially we recorded using 16 bit/8K sampling on the basis 
> > that this is what is required by Asterisk but that was 
> > really terrible.  So we're sampling at higher rates on
> > the basis that we can use sox to change it as necessary.  Any
> > thoughts on what we can do to make the recordings sound "sharper"?
> 
> We've found that downbsampling with sox resulted in 
> significantly lower quality files as those downsampled 
> with Cool Edit.

Dithering in Cool Edit maybe?

Matt Riddell
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