On 7/19/2014 7:58 PM, CJB wrote:
> Please can someone advise me. I'm using Audacity to digitise a bunch
> of home-taped cassettes. Unfortunately some of them have a pronounced
> hum underlying the music. Is there a way of damping this down.
> Audacity has a bunch of filters written in Nyquist, but I'm not sure
> what settings to use, BTW the hum is likely to be at UK mains
> frequency of 50 hertz. Thanks - Chris B.
Does Audacity include a pectrum analyzer? It could tell you whether the
hum is 50Hz or 100Hz.
Peace,
Paul
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