High Pass Filter

What is a high pass filter?   In order to put it simply, we could say that the high pass filter is just a filter (low-cut) that attenuates frequencies below the certain cutoff frequency and allows the frequencies above to pass. There are many kinds of high pass...

Wah Wah Filter

The definition for the wah-wah effect, according to Erickson in 1975, is that the effect is produced by periodically bringing in and out of play treble frequencies while a note is sustained. Therefore, the effect is a type of spectral glide, a “modification of...

Cutoff Filters

  What is a Cutoff Filter?   A filter generally refers to a device that can remove something out of any given thing. In the audio world a filter does a very similar job. A cutoff filter is a processor, which can attenuate or completely remove certain partials out of...