To determine if you remember some of the key concepts of the chapter, take the following self quiz and see how you do. Select the best answer. If you select an incorrect answer; you'll receive immediate informational feedback to assist you in remembering the correct answer.

1		As with your ears, the sound pressure a microphone can handle before distorting and failing is expressed in dB-SPL or decibels of sound-pressure level.
			A)	True
			B)	False
2		As a general rule, condenser microphones are not used in radio due to their expense and fragility.
			A)	True
			B)	False
3		A condenser microphone is sometimes referred to as a moving-coil microphone because of its built-in preamplifier.
			A)	True
			B)	False
4		A microphone with a cardioid pattern picks up sound from all directions in a 360-degree radius.
			A)	True
			B)	False
5		A wireless microphone receiver that uses two tuners and two antennas to eliminate noise and dropouts is known as a diversity receiver.
			A)	True
			B)	False
6		The cardioid, super-cardioid, and hyper-cardioid microphone patterns are in a class of patterns called
			A)	nondirectional microphone patterns.
			B)	sensitive microphone patterns.
			C)	unidirectional microphone patterns.
			D)	broadcast microphone patterns.
7		The two microphone types that can reproduce the highest sound-pressure levels without distorting the sound are
			A)	the condenser and dynamic microphone.
			B)	the ribbon and dynamic microphone.
			C)	the electrostatic and ribbon microphone.
			D)	the hyper-cardioid and omni-directional microphone.
8		A switch to attenuate the output of a microphone in fixed steps or levels is called
			A)	a Level Output Control or LOC.
			B)	a pot.
			C)	gain staging.
			D)	a pad.
9		A shotgun microphone is designed with a long tube in front of the microphone element
			A)	reject sounds from the sides and rear of the microphone.
			B)	to pull in sound waves coming from the front of the microphone.
			C)	to focus the microphone element on the source of the sound.
			D)	to be extremely sensitive.
10		Phantom power is
			A)	stray voltage that is picked up in a microphone cable and distorts the audio.
			B)	sent down a microphone cable from the audio equipment to a condenser microphone.
			C)	used to make a dynamic microphone operate more efficiently.
			D)	a radio signal that is picked up by a microphone cable and amplified by the microphone preamplifier.
11		A balanced microphone cable or line has
			A)	a positive and negative wire.
			B)	a tip/sleeve connector on each end.
			C)	a positive wire, a negative wire, and a grounded shield surrounding the positive and negative wires.
			D)	a tough, flexible outer jacket.
12		A microphone pattern that is the most sensitive to the front and rear of the microphone is known as
			A)	unidirectional.
			B)	poly-directional.
			C)	hyper-cardioid.
			D)	bidirectional.
13		A stereo microphone that has a cardioid element facing forward and a bidirectional element facing out the sides of the microphone is known as
			A)	an ultra-cardioid microphone.
			B)	a tetrahedral array microphone.
			C)	a mid-side or M/S microphone.
			D)	a surround-sound microphone.
14		Which of the following could be used to prevent someone who was speaking into a microphone from popping their "Ps"?
			A)	a "popper stopper"
			B)	a pop filter
			C)	an acoustic foam windscreen
			D)	all the above
15		The closer you move to a directional microphone, the more bass it appears to have. This phenomenon is known as
			A)	the proximity effect.
			B)	off-axis polarization.
			C)	center-line boost.
			D)	phase enhancement.