If you want to detect that a sound is voice, rather than something else, it isn't easy. There is information around on the Internet about methods, but I have never tried them and don't know how well they work. Unless you have some understanding of DSP I wouldn't bother trying. On the other hand, if you do have some DSP expertise it might be a fun thing to try.
Regards, Steve
Brad Waite wrote:
Does anyone know if there's public voice detection algorithms available? I've scoured the net for the last hour or so, and I can't come up with anything except a few proprietary or embedded solutions.
I know dsp.c uses goertzel algorithms for DTMF detection, but how does one detect voice?
I dunno, maybe detecting voice isn't the way to go. I want to begin playback of a file after a phone/answering machine has answered.
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