contact microphone


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contact microphone

[′kän‚takt ′mī·krə‚fōn]
(engineering acoustics)
A microphone designed to pick up mechanical vibrations directly and convert them into corresponding electric currents or voltages.
References in periodicals archive ?
The Heath Aqua-Scope consists of two major components; the direct contact microphone and ground microphone.
Use a high-frequency electronically filtered/amplified contact microphone to listen for leak sounds on all meters, valves, hydrants, and other contact points.
Alternatively, the NB 3000 completes the NB-Series with a high performing contact microphone.
Their first commercial product, known as "the stethoscope", uses MSI's piezo film as a contact microphone sensor along with low-noise electronics to provide an electronic signal of high quality that can be amplified, transmitted, stored, and analysed.
The AQUA-SCOPE allows an operator to choose between the ground and direct contact microphones to detect sonic frequencies.
Indisputably, Cage impacted tremendously the musical establishment; however, the composer received mixed receptions to his work throughout his lifetime, acquiring either accolades or hostility, such as the 1964 performances of Atlas Eclipticalis by the New York Philharmonic, in which orchestral players sabotaged the performance by ignoring the notated music and destroying the contact microphones used in the work.
In this instance, Tudor sent the resulting sounds out to various objects (the score calls for eight), on which he placed contact microphones, so that they too became part of the feedback circuit.