AVIXA CTS-D: Microphones Questions With Answers Graded A+ Assured Success
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Course
AVIXA CTS-D: Microphones
Institution
AVIXA CTS-D: Microphones
Electret Microphone - A type of condenser microphone. It has prepolarized material which is
applied to the microphone's diaphragm or backplate. This provides a permanent, fixed charge for one
side of the capacitor configuration. This permanent charge eliminates the need for the higher voltage
re...
AVIXA CTS-D: Microphones
Electret Microphone - A type of condenser microphone. It has prepolarized material which is
applied to the microphone's diaphragm or backplate. This provides a permanent, fixed charge for one
side of the capacitor configuration. This permanent charge eliminates the need for the higher voltage
required for powering the typical condenser microphone, so it can be powered using small batteries and
normal phantom power.
Lavalier Microphone (lav /lapel) - It is a small microphone designed to be worn either around the
neck or clipped to apparel. Can be attached directly to clothing, such as a necktie or lapel. Typically an
electret type mic.
Types of Microphones - 1. Handheld
2. Instrument
3. Lavalier
4. Head
5. Gooseneck
6. Boundary
7. PZM Microphone
8. Shotgun
9.
Handheld Microphones - Used mainly for speech or singing. Since it is constantly moved about it
includes internal shock mounting to reduce handling noise.
Can be held in the hand or mounted on a lectern or stand for hands-free operation.
Head Microphone (Headmic) - Is a microphone that is attached to a small, thin boom and fitted
around the ear Typically an electret type mic
, Gooseneck Microphone - Microphones that are used most often on lecterns and conference
tables. The microphone is attached to a flexible or bendable stem, which comes in varying lengths.
Shock mounts are available to isolate the microphone from table or lectern vibrations
Boundary Microphone - Microphone that relies on reflected sound from a surrounding surface. A
boundary microphone sits directly on a table or surface. They are also called "surface mount
microphones."
they may be subject to papers accidentally being placed over them, laptops fans blowing on them,
PZM Microphone -
Instrument Mic -
Shotgun Microphones - a long, cylindrical, highly sensitive, unidirectional microphone used to pick
up sound from a great distance.
Microphone Polar Response Types - Only Cool Sam has Bacon
1. Omnidirectional
2. Cardioid
3. Super-Cardioid
4. Hyper-Cardioid
5. Bi-Directional
Omnidirectional Mic - Sound pickup is uniform in all directions., 360 degree coverage angle, no
null angle
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