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A microphone is a device that converts sound as acoustical pressure waves into electrical

voltage waves. All microphones have a diaphragm, membrane, or other mechanical elements in them that vibrates sympathetically in response to the arriving acoustic wave fronts. This mechanical element acts on the electrical element to generate audio voltage.

The sensitivity of a microphone is shown in voltage per sound pressure (mV / Pa) that show the proportionality of the audio waves to the pressure waves.

To amplify sounds (make louder), the vibrations of the connected speaker's surface must increase in amplitude.

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โˆ™ 2015-05-31 21:21:42
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Q: How do microphones work?
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