Re: [SoX-users] Record of Voice

[onkel b. <onk...@gm...>]

>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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