I want to filter out annoying 50 Hz tone on a low audio input signal. 
What is the best opcode to use?
eqfil with a negative kgain?

Richard

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Try atone. You can place more than one in series to see if it does the job. Or else try butthp

Victor Lazzarini
Dean of Arts, Celtic Studies, and Philosophy
Maynooth University
Ireland

> On 28 Aug 2015, at 23:35, Richard  wrote:
> 
> I want to filter out annoying 50 Hz tone on a low audio input signal. 
> What is the best opcode to use?
> eqfil with a negative kgain?
> 
> Richard
> 
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