Audacity notch filter

Notch Filter sharply attenuates frequency-specific noise like mains hum or electrical whistle with minimal damage to the remaining audio, by cutting a notch out . Notch Filter sharply attenuates frequency-specific noise like mains hum or electrical whistle with minimal damage to the remaining audio, . What is the Notch Filter in Audacity and how can it help you obtain a cleaner track? Using the NOTCH FILTER to remove a Hz hum. High Pass Filters How and Why to apply. It appears as something like 'Notch filter with Hz default' in the effect menu so you know.

Hi EQ uses an FIR filter and (from the discussion) I assume that the Notch effect uses an IIR filter.

IIRC an IIR filter can give a much deeper notch than an FIR filter . I'm pretty sure a notch filter would take care of it but I haven't the foggiest as to how. Do you have the notch filter nyquist plug-in for Audacity? Single Band Parametric in Audacity; Using the Single Band Parametric effect to Remove the Hum; Alternative Method using Notch Filter . Audacity is the free and open-source audio editing program available from Sourceforge. I prefer the Beta version, which has important new .