Re: [SoX-users] Record of Voice

[Jonathon A. <mos...@gm...>]

Neat. Keep us updated with your results!

On Wed, Jan 30, 2013 at 6:31 AM, onkel bernd <onk...@gm...> wrote:

> >Why would it stop every ten seconds? It stops recording when
> >the 'silence' parameteres are met, which can be after 10 seconds
> >or after 5 minutes, depending on the input.
>
> Yes, that was the plan when i build the command. But in reality the little
> noise of "nothing" is enough to stop it from listening (and restart it
> because of my script)... i experimented some time to find these values
> which are the best with the hardware (i think). In the future the system
> should run on a raspberry pi with a little usb sound card. I think i better
> put it on it as soon as i can. Maybe the soundcard i use now is just bad!?!
>
>
>
> >Read about the 'bandpass' and 'compand' effects in SoX's manpage.
> >and try SoX's spectrogram effect to see what
> >the frequency band of your voice is
> >(typically within 0Hz - 4kHz)
>
> I will do this.
>
>
> When the sound recording problem is solved my robot could be so awesome.
> It is a little bite annoying that all is working expect of this. :P
>
>
> 2013/1/30 Ulrich Klauer <ul...@ch...>
>
>> You could try the vad effect (voice activity detector) and see if it
>> better recognizes the start of an utterance. Another possibility would be
>> to compand the signal before vad/silence, to compensate for varying volume.
>>
>> Ulrich
>>
>>
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>
>
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