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Microphone diaphragms, unlike speaker diaphragms, tend to be thin and flexible, since they need to absorb as much sound as possible. In a condenser microphone, the diaphragm is placed in front of a plate and is charged. [2] In a dynamic microphone, the diaphragm is glued to a magnetic coil, similar to the one in a dynamic loudspeaker.
The Electro-Voice RE20 is an American professional cardioid dynamic microphone, commonly used in broadcasting applications since 1968. Designed by Electro-Voice using the company's patented Variable-D technology and a large-diaphragm element, it has been described as an industry standard "iconic" microphone for its natural sound and its wide ...
The dynamic microphone (also known as the moving-coil microphone) works via electromagnetic induction. They are robust, relatively inexpensive and resistant to moisture. This, coupled with their potentially high gain before feedback, makes them popular for on-stage use. Dynamic microphones use the same dynamic principle as in a loudspeaker ...
It is commonly a hand-held instrument with a microphone. The best type of microphone for sound level meters is the condenser microphone, which combines precision with stability and reliability. [1] The diaphragm of the microphone responds to changes in air pressure caused by sound waves. That is why the instrument is sometimes referred to as a ...
The diaphragm also had an anti-corrosion treatment to protect it from air-borne contamination from the presenter's voice. The D-22 and D-33 were dual-impedance microphones with the high or low impedance selected using an innovative "linkage bar" under the name plate and a unique "slide-lock" microphone stand mount. [1]
The Shure Beta 58A microphone. The Shure Beta 58A is a rugged dynamic supercardioid microphone developed by Shure Incorporated specifically for live vocal performances. [1] The microphone won a TEC Award in 1996 for outstanding microphone technology. [2] Shure's Beta series of microphones was introduced in 1989.
Analog sound reproduction is the reverse process, with a larger loudspeaker diaphragm causing changes to atmospheric pressure to form acoustic sound waves. Digital recording and reproduction converts the analog sound signal picked up by the microphone to a digital form by the process of sampling.
Depending on the microphone design, proximity effect may result in a boost of up to 16 dB or more [citation needed] at lower frequencies, depending on the size of the microphone's diaphragm and the distance of the source. A ready (and common) example of proximity effect can be observed with cardioid dynamic vocal microphones (though it is not ...