acoustic feature

American

noun

Phonetics.

any acoustic property of a speech sound that may be recorded and analyzed, as its fundamental frequency or formant structure.
an acoustic property that defines a class of speech sounds, especially in distinctive feature analysis, as acute, grave, or diffuse.

acoustic feature British

noun

phonetics any of the acoustic components or elements present in a speech sound and capable of being experimentally observed, recorded, and reproduced

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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They are not responsible for any specific sound or acoustic feature of sounds except, possibly, accent or stress.

From Language An Introduction to the Study of Speech by Sapir, Edward

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023