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Shure Brothers microphone, model 55S, multi-impedance "Small Unidyne" dynamic from 1951. A microphone, colloquially called a mic (/ m aɪ k /), [1] or mike, [a] is a transducer that converts sound into an electrical signal.
Shure Brothers claims that its "Vagabond" system from 1953 was the first "wireless microphone system for performers." [7] Its field of coverage was a circle of "approximately 700 square feet", which corresponds to a line-of-sight distance of only 15 feet (4.6 m) from the receiver. [7]
An electret microphone is a microphone whose diaphragm forms a capacitor (historically-termed a condenser) that incorporates an electret.
When lavalier microphones are concealed under clothing, the clothing often scratches against the microphone. To minimize this problem, sound recordists sometimes wrap the head of the microphones in moleskin or place it inside a hollow-centered, column-shaped sponge and place it under a placard, behind a button, or within the knot of a tie.
A distinctive feature of the SM58 is its pneumatic suspension system for the microphone capsule. [6] The capsule, a readily replaceable component, is surrounded by a soft rubber balloon, rather than springs or solid rubber. This gives notably good isolation from handling noise; one reason for its being a popular microphone for stage vocalists.
In the late 1980s, EV became the first microphone manufacturer to use neodymium magnets in its microphones. The N/DYM microphones were introduced in the mid 1980s to combine the high output and high frequency response characteristics of condenser microphones with the rugged shock resistance of dynamic microphones.
A parabolic microphone is a microphone that uses a parabolic reflector to collect and focus sound waves onto a transducer, in much the same way that a parabolic antenna (e.g. satellite dish) does with radio waves. Though they lack high fidelity, parabolic microphones have great sensitivity to sounds coming from one direction, along the axis of ...
This system resulted in a quite even distribution of the phantom sources (hearing event direction) on the stereo loudspeaker base, with two small cardioid characteristic microphones, and a recording angle of the microphone system of ±40.5° = 81°.
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