Tempophon
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The Tempophon is “a device with rotating heads that could change the pitch of a sound without modifying its tempo.”[1]
Also known as the 'Springer machine', it was released in Germany in 1955 and was a tape machine add-on allowing independent time and pitch changes on analog tape via a rotating head block and electro-mechanical sound granulation.[2][3]
The drum at the centre contains the rotating heads. The pitch control is marked in musical intervals[4], it has a bandwith from 50 to 18000 Hz and works with 6 mm [¼ inch] tapes.[5]
References
- ↑ Ray White in The Workshop in 1976.
- ↑ A Chronology / History of Electronic and Computer Music and Related Events 1900-2014
- ↑ Chronologie de la musique electronique
- ↑ Daphne Oram And Delia Derbyshire: The BBC Radiophonic Workshop Gallery at reaktorplayer.wordpress.com
- ↑ Springer Tempophon article at icasea.blogspot.it
