Frequency ratios and the discrimination of pure tone sequences

Author(s): Trehub, S. E.

Journal/Book: Percept Psychophys. 1994; 56: 472-8.

Abstract: We examined the effect of frequency ratios on the discrimination of patterns of alternating pure tones (ABABA). Listeners heard a repeating pattern presented in transposition (same frequency ratios between successive tones, different absolute frequencies) and were required to indicate when the pattern changed (different frequency ratios and absolute frequencies) . Changes from patterns with simple frequency ratios to those with more complex ratios were more readily detected than were changes from complex ratios to simpler ratios.

Keyword(s): Auditory Perception|

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