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Re: 60 Hz hum causing problems with speech recognition
On Tue, 16 Jun 2009, Tarun Pruthi wrote:
> 2. Is there a standard way to get rid of the 60 Hz hum and ensure clean
> recordings for the purposes of speech recognition?
You didn't mention what sort of speech recognizer you are using, but the
spectral analysis step of such systems usually ignore _everything_ below
100-150 Hz. (Some harmonics may still remain then, of course).
Hungarian Academy of Sciences *
Research Group on Artificial Intelligence * "Failure only begins
e-mail: tothl@xxxxxxxxxxxxxxx * when you stop trying"