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date: 14 December 2019

Beats (Fr. battements; Ger. Schwebungen; It. battimenti; Sp. batimientos)locked

  • Clive Greated

Extract

(Fr. battements; Ger. Schwebungen; It. battimenti; Sp. batimientos)

An acoustical phenomenon, useful in tuning instruments, resulting from the interference of two sound waves of slightly different frequencies. The number of beats per second equals the difference in frequency between the two notes: a pitch of 440 Hz will make four beats per second with one of 444 (or 436); three with one of 443 (or 437); two with 442 (or 438); one with 441 (or 439); and the beats will disappear if the two notes are in perfect unison. ...

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