Talk Box

Talk Box history   The Talk Box dates back to at least 1939 when big band musician Alvino Rey used an early version. You can actually see Rey perform a slightly bizarre-sounding version of “St. Louis Blues” with “Stringy,” the talking...

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...