Vocoder

Vocoder history   The vocoder (voice coder) derives from work in the telecommunications field to compress the human voice for more efficient transmitting over the telephone line. Bell Labs, among other companies, was working on vocoder technology back in 1950`s....

Time Stretching

What is time stretching?   Time stretching is a digital process which is altering the perceived passage of time in an audio signal without of intention of modifying its spectral characteristics, such as changing its pitch for example. Implementing generalized...

Octaver

What is an Octaver?   Octaver audio effect is a simpler form of a harmonizer. While harmonizer, as its name suggests, creates harmonies from more than two notes, octaver works by shifting the original but for an octave up or down. Guitarists commonly use this...