acoustic spectrograph

acoustic spectrograph

[ə′küs·tik ′spek·trə‚graf]
(engineering)
A spectrograph used with sound waves of various frequencies to study the transmission and reflection properties of ocean thermal layers and marine life.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
A speech-language pathologist may also use an acoustic spectrograph, an instrument that measures voice frequency and clarity, to study the patient's voice and document its strengths and weaknesses.
Acoustic spectrographs typically illustrate source harmonic and formant intensities as a function of time, for example, vowel formant changes upon a quasi-periodic/human source waveform.
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