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Chapter 18 - Sound
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1
What is the result of increasing the sampling rate for sound capture?
A)higher amplitude
B)better sound reproduction
C)stereo sound
D)higher frequency
2
What is the process for capturing sound waves in an electronic format?
A)downloading
B)media
C)recording
D)sampling
3
What is the unit of measurement of the sampling rate when recording sound waves?
A)gigahertz
B)kilohertz
C)megahertz
D)tetrahertz
4
A sound wave has three primary characteristics. The first two are amplitude and frequency. What’s the last one?
A)loudness
B)melody
C)noise
D)timbre
5
What is the measurement of the number of different sound characteristics captured during sampling?
A)bit depth
B)file size
C)sound quality
D)wavelength
6
What is the rate of a CD-quality sound capture when captured with 16-bit depth and in stereo?
A)11.1
B)22.1
C)44.1
D)88.1
7
What is the format of a MIDI file?
A)MP3
B)bmp
C)text
D)WAV
8
Music can be produced by electronically emulating various instruments. What is this process called?
A)AM synthesis
B)emulated table synthesis
C)FM synthesis
D)wave table synthesis
9
What is the Microsoft Advanced Streaming Redirector format known as?
A)ASR
B)ASX
C)MASR
D)VOC
10
What sound format is commonly used on Macintosh computers?
A)AIFF
B)ASM
C)ASX
D)MOD
11
What does MIDI stand for?
A)Microsoft instrument digital interface
B)mild instrument digital interface
C)musical instrument digital interface
D)multiple instrument digital interface
12
MIDI sound cards can play multiple instruments at once based on the number of instruments stored on the sound card. What is this called?
A)pillory
B)polyphone
C)polyphony
D)pylons
13
How many samples of instruments are contained on most modern sound cards?
A)16
B)32
C)64
D)128
14
Which player is commonly used to play Audio Interchange File Format (AIFF) files?
A)CD
B)QuickTime
C)RealMedia
D)Windows Media
15
Streaming media is the broadcast of data that is played on the computer and immediately ____.
A)cached
B)discarded
C)published
D)saved
16
What measure describes the relative quality of an input port?
A)noise-to-noise ratio
B)noise-to-signal ratio
C)signal-to-noise ratio
D)signal-to-signal ratio
17
What’s the minimum number of connections most sound cards come with?
A)two
B)three
C)four
D)five
18
What is the line out connector used for?
A)external device
B)microphone
C)MIDI input
D)speaker
19
What do older systems require to get sound from the CD-ROM drive to the sound card?
A)CD audio cable
B)IrDA cable
C)media cable
D)video cable
20
How many channels of sound is the Dolby Digital sound standard designed to support?
A)two
B)four
C)five
D)eight
21
What does DTS stand for?
A)Data Theatre Systems
B)Digital Theatre Systems
C)Dolby Theatre Systems
D)Dynamic Theatre Systems
22
While games can also take advantage of 5.1, 6.1, and 7.1 speaker systems, what standard do they typically use?
A)DigitalX
B)DirectX
C)Dolby Digital
D)Dynamic
23
What speaker installation uses either a single digital (S/PDIF) connection or three separate cables?
A)digital
B)multiple
C)regular
D)surround
24
What feature was introduced in DirectX version 3 and offered a range of commands to place a sound anywhere in 3D space?
A)D3
B)DS3D
C)EAX
D)EPX
25
For the best recording, what would you want?
A)High noise-to-noise ratio
B)High noise-to-signal ratio
C)High signal-to-noise ratio
D)High signal-to-signal ratio
26
Sound cards install proprietary software to support the ____ features not provided by Windows.
A)application
B)configuration
C)program
D)system
27
In the Dolby Digital and DTS standards, a system can have five speakers with a subwoofer. What nomenclature defines this?
A)5.1
B)6.1
C)DD 5
D)DTS 5
28
What is it called when a sound is placed in a 3-D space?
A)digital audio
B)positional audio
C)sampling
D)sound modeling
29
In a 2.1 speaker system, what are the pair of standard stereo speakers?
A)amplifiers
B)audio drivers
C)satellites
D)sound chips
30
In what version of DirectX were EAX standards incorporated into DirectX?
A)4.0
B)5.0
C)7.0
D)8.0
31
What should you check first when a system’s sound isn’t working?
A)audio cable
B)modem
C)sound card
D)volume control
32
What happens to streaming media broadcast data after it is played?
A)It is cached
B)It is discarded
C)It is edited
D)It is stored





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