ACHROMATIC INTERVAL

1. within eyesight, the range of intensity of light lying between the quantity needed for awareness of the monochromatic stimulus and the quantity necessary to see the color of the stimulus. 2. in regard to audio, the range of sound saturation that lies between the quantity needed for recognition of a clear tone, and the quantity necessary to hear the actual pitch the tone reaches.

ACHROMATIC INTERVAL: "Most achromatic intervals in terms of sound are not hard to decipher for the trained musical ear."
Cite this page: N., Pam M.S., "ACHROMATIC INTERVAL," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/achromatic-interval/ (accessed September 22, 2019).
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