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John Chowning Birthday

Jack Hertz

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John M. Chowning (born August 22, 1934 in Salem, New Jersey) is an American composer, musician, inventor, and professor best known for his work at Stanford University and his invention of FM synthesis while there.

Chowning is known for having discovered the FM synthesis algorithm in 1967. In FM (frequency modulation) synthesis, both the carrier frequency and the modulation frequency are within the audio band. In essence, the amplitude and frequency of one waveform modulates the frequency of another waveform producing a resultant waveform that can be periodic or non-periodic depending upon the ratio of the two frequencies.

Another important aspect of Chowning's work is the simulated motion of sound through physical space. In 1972 he was first able to create the illusion of a continuous 360-degree space using only four speakers, in his composition Turenas (Mattis 2001).

Read More - https://en.wikipedia.org/wiki/John_Chowning


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