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.
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.
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