Understanding Phase and Phasing

Understanding Phase and Phasing

Phase (sometimes called “position”) is the orientation of a cyclical waveform in time, relative to a another cyclical waveform.   Here is an analogy on a less abstract level… If I were to start singing Twinkle Twinkle Little Star from the lyrics “up above...

Parametric EQ Explained

The birth of a Parametric EQ   1950’s saw the growth of equalizers as an audio production tool. Until 1970’s if any kind of Equalizer existed it had fixed centre frequencies. Graphic equalizers were pretty famous until that point but people wanted to break out of...

Band-Pass Filter

A bandpass filter, also known as BPF, is a type of filter circuit that unlike low pass and high pass filters passes frequencies within a certain range and attenuates frequencies outside that range. Bandpass is an adjective that describes a type of filter or filtering...

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...