英和和英

名詞

otonality (複数形 otonalities)

1. (music) A family of pitches that can all be expressed as ratios with a specified fixed tone, such that all ratios have the same denominator.
   • 1966, Jonas Mekas, Film Culture - Issues 40-42, page 6:

     Multiples up from otonalities, whereas divisors change the harmonic center and introduce new tonal sense (utonality).

   • 1982, Percussive Notes - Volume 21, page 71:

     A similar correlation is evident in the physical layout of the Kithara II, which consists of twelve banks of six strings, each bank tuned to a specific, although incomplete, otonality or utonality.

   • 2014, S. Andrew Granade, Harry Partch, Hobo Composer, →ISBN, page 214:

     So an otonality based on the 1-limit would have a 1-Identity (its first pitch), a 3-Identity (its second pitch), a 5-Identity (its third pitch), and so on.