加か音おん

noun

summation tone; sum tone

Technical term in physics and music for a tone whose frequency is the sum of the frequencies of two other tones. Often contrasted with 差音 (difference tone).

See also: 差音

• 加か音おんは、二ふたつの音おとの周しゅう波は数すうの和わに等ひとしい周しゅう波は数すうを持もつ音おとである。

  A summation tone is a sound whose frequency equals the sum of the frequencies of two other sounds.