- Types:
- show 6 types...
- hide 6 types...
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bug
a small hidden microphone; for listening secretly
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capacitor microphone, condenser microphone
microphone consisting of a capacitor with one plate fixed and the other forming the diaphragm moved by sound waves
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crystal microphone
a microphone in which sound waves vibrate a piezoelectric crystal that generates a varying voltage
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directional microphone
a microphone that is designed to receive sound from a particular direction
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spike mike
a contact microphone for listening through walls
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cardioid microphone
a directional microphone with a cardioid pattern of sensitivity
