Auto-Tune

 Missing the note   Few singers are perfect. sometimes, the pitch of their vocal slightly misses the exact note they are trying to hit. If they are little out of tune, the vocal track can still be rescued – or ruined, depending on one’s point of view....

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....

Ring Modulator

Analog telephony   The original application of the ring modulator was in the field of analog telephony for frequency-division multiplexing for carrying multiple voice signals over telephone cables.Frank A. Cowan invented it back in 1934 and patented in 1935 as an...

Chorus Effect

The Chorus phenomenon   Chorus effect occurs when several individual sounds with similar pitch and timbre play in unison. This phenomenon occurs naturally with a group of singers or violinists, who will always exhibit slight variations with pitch and timing, even...

Hall Reverb

Discrete Echoes   Reverb actually represents a large number of discrete echoes. They are caused by sound bouncing off of every conceivable solid surface and then mushing together as the thousands of echo’s return to the listener. A reverb processor is a...