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		A good rule of thumb for recording digital audio is that the average audio levels should be at about -10 on a VU meter.
			A)	True
			B)	False
2		Digital audio is based on converting binary numbers into an analogous sound wave.
			A)	True
			B)	False
3		Large hard drives used for audio recording often are partitioned, or divided, into smaller sections, and given separate drive numbers even though they are all physically located on the same magnetic disc.
			A)	True
			B)	False
4		"Blending" is the process of adjusting the audio levels of each of the recorded tracks in a project to create the sound picture you or the client are seeking.
			A)	True
			B)	False
5		Digital audio is transferred from one piece of equipment to another using standardized data-transfer protocol.
			A)	True
			B)	False
6		Each minute of "CD-quality" stereo audio consumes about _______________ megabytes of storage space.
			A)	110
			B)	96
			C)	10
			D)	34
7		The AES/EBU established the digital audio sampling frequency for consumer applications such as the CD at
			A)	96 kHz.
			B)	33.1 kHz.
			C)	24 kHz.
			D)	44.1 kHz.
8		With respect to digital audio, the abbreviation SPDIF refers to
			A)	the Sony/Philips Digital InterFace.
			B)	an AES/EBU fiber-optic link.
			C)	a digital audio cable with XLR connectors on each end.
			D)	the Standard Protocol-Differential InterFace,
9		Which of the following is true about a compact disc?
			A)	The audio sampling rate used for a compact disc is 44.1 kHz, 16 bits.
			B)	The audio data is stored in a layer of dye on the disc.
			C)	No audio is stored within the polycarbonate disc itself.
			D)	All the above are true.
10		Which of the following cables/data protocols could be run over 100 feet with no loss of signal?
			A)	USB
			B)	TOS LINK
			C)	Firewire
			D)	All the above are correct.
11		The person credited with developing the theory behind digital audio recording as we know it was
			A)	David Sarnoff.
			B)	Alexander Graham Bell.
			C)	Harry Nyquist.
			D)	Edwin Armstrong.
12		The difference between the softest sound and the loudest sound in an audio segment is referred to as the sound's
			A)	dynamic range.
			B)	amplitude.
			C)	dimension.
			D)	depth.
13		A digital audio signal containing additional information that tells the receiving equipment the signal's sampling frequency and where each sample begins and ends is called a
			A)	master/slave signal.
			B)	self-clocking signal.
			C)	GPS time code signal.
			D)	SMPTE time code signal.
14		Which of the following is not a suitable medium for digital audio storage?
			A)	magnetic tape
			B)	computer hard drive
			C)	magneto-optical disc
			D)	All the above are correct.
15		According to your author, which one of the following is not an element of mixing audio?
			A)	sonic panorama
			B)	equalization
			C)	dynamics
			D)	routing