[asterisk-users] Sox and bad quality when converting to 8 kHz

[Steve Edwards]

On Thu, 24 Mar 2011, Thomas Winter wrote:

> I have an 44100 Hz file with human voice, stereo with 16Bit.
> When convertig this to 8 kHz, mono I loose a lot of quality and have
> some ground noise. I tried several sox options but without success.
> Can somebody help....

What does your command line look like?

I use this with good results:

 	sox "${INPUT}" -c 1 -s -w -r 8000 "${OUTPUT}"

-- 
Thanks in advance,
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Steve Edwards       sedwards at sedwards.com      Voice: +1-760-468-3867 PST
Newline                                              Fax: +1-760-731-3000