The pattern playback was last used in an experimental study by Robert Remez in 1976.
2.
The pattern playback now resides in the Museum at Haskins Laboratories in New Haven, Connecticut.
3.
The eight tracks of the sequencer are thus divided into two groups : four standard sequencer tracks and four tracks dedicated to pattern playback.
4.
Dr . Franklin S . Cooper and his colleagues at Haskins Laboratories built the Pattern playback in the late 1940s and completed it in 1950.
5.
The technique of pattern playback also now refers, more generally, to algorithms or techniques for converting spectrograms, cochleagrams, and correlograms from pictures back into sounds.
6.
To create sound, the pattern playback machine uses an arc light source which is directed against a rotating disk with 50 concentric tracks whose transparencies vary systematically in order to produce 50 harmonics of a fundamental frequency.
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