acoustic feature

noun Phonetics.
1.
any acoustic property of a speech sound that may be recorded and analyzed, as its fundamental frequency or formant structure.
2.
an acoustic property that defines a class of speech sounds, especially in distinctive feature analysis, as acute, grave, or diffuse.
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World English Dictionary
acoustic feature
 
n
phonetics any of the acoustic components or elements present in a speech sound and capable of being experimentally observed, recorded, and reproduced

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Example sentences
They are not responsible for any specific sound or acoustic feature of sounds except, possibly, accent or stress.
Rather, the results suggest a deficit in acoustic feature integration at higher levels of auditory sensory processing.
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