[Asterisk-Users] Recording Prompts

[Martin Pycko]

Just take into account that if your voice carries frequencies > ~3.5 kHz
than you'll hear out only part of it in the recorded prompt.

Did you record it in 16 bit samples ?

Martin

On Fri, 11 Apr 2003, Omar Abhari wrote:

> I used:
> sox in.wav -r 8000 -c 1 out.gsm
>
> your conversion method made my voice sound like the dude from predator!
> [very very slow!]
>
> Tilghman Lesher wrote:
>
> >On Friday 11 April 2003 07:09 pm, Omar Abhari wrote:
> >
> >
> >> From everyone's experience, what is the best way to record
> >>prompts?
> >>
> >>Last night, we recorded some wav files using a windows machines,
> >>and after conversion to gsm and wav for asterisk on our redhat box,
> >>the quality simply sucked. we used "sox" to do the conversion..
> >>
> >>any tips on achieving a better quality?
> >>
> >>
> >
> >I typically use:
> >
> >sox -r 22050 file.wav -r 8000 file.gsm
> >
> >What were the parameters that you were using to convert the WAV
> >to gsm?  Have you confirmed that the file was recorded free of noise
> >on your Windows machines?
> >
> >-Tilghman
> >
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>
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