[Asterisk-Users] sox and wav to gsm conversion quality issue

[Dan]

Ok...some more tests and  the best results I get are with:

sox file.wav -r 8000 file.gsm resample -ql

Now the quality is identical with the original Asterisk prompts.

Thanks for he hint.

Dan

----- Original Message ----- 
From: "Dan" <dtoma at fx.ro>
To: <asterisk-users at lists.digium.com>
Sent: Friday, August 22, 2003 3:02 PM
Subject: Re: [Asterisk-Users] sox and wav to gsm conversion quality issue


> > Sox can convert the bitrate and the format at the same time, which in my
> > experience produces pretty good results.
> >
> > I posted the process that I use to the list a few weeks ago:
> >
> > http://lists.digium.com/pipermail/asterisk-users/2003-July/016399.html
> >
>
> Hi Jamie,
>
> If I try like in your example and first resample the original at 8KHz, the
> quality of the final sound is unacceptable.
>
> BR,
> Dan
>
> > Regards,
> >
> > -- 
> > Jamie Neil <jamie at versado.net>
> > Versado I.T. Services Ltd.
> > http://versado.net/
> >
> > _______________________________________________
> > Asterisk-Users mailing list
> > Asterisk-Users at lists.digium.com
> > http://lists.digium.com/mailman/listinfo/asterisk-users
> >
> >
>
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