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combination tone

combination tone A combination tone is a tone heard along with two primary tones, understood in this historical account as arising within the ear rather than being present in the external sound itself.

A combination tone is a tone heard along with two primary tones, understood in this historical account as arising within the ear rather than being present in the external sound itself. The source describes it as produced by asymmetrical vibration of the eardrum and middle-ear bones, and discusses it as closely related to beats.

Also see

Sources

Drafting source: Baldwin Dictionary of Philosophy and Psychology, 1901. 1901 New York Macmillan original; archive index checked 2026-10-18. “Hearing” (Hearing).
public-domain-US · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: 64e624c62e14a4e65cf5dd67b09c4191acde5d9e951d5e534143fed35759fddd

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “combination tone.” Development preview.

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