Deck 14: Recording and Editing Sound

Question 1

Music is stored on DVDs in a digital format called CD-DA.

Answer 1

False

Question 2

Speech recognition software can be integrated with graphics software.

Answer 2

False

Question 3

Digital sound has not been recorded from a live source, but instead has been generated by a machine.

Answer 3

False

Question 4

To digitally capture a sound wave, your PC periodically records a sample of the wave's amplitude as a hexadecimal number.

Question 5

Digital music is available from online music stores.

Question 6

Computers work with two general categories of sound: digital audio and MP3 sound.

Question 7

Streaming is a digital delivery process that transmits a music file as a stream of data in real time as you listen to it.

Question 8

Sampling rates are measured in kHz .

Question 9

The height of a wave indicates frequency .

Question 10

Your computer's video card is responsible for transforming the bits stored in an audio file into music, sound effects, and narrations.

Question 11

Speech synthesis is the process by which machines produce sound that resembles spoken words.

Question 12

Lossy audio formats include FLAC, M4A, and MPEG-4.

Question 13

Audio circuitry is typically equipped to accept output from a microphone and send input to speakers or headphones.

Question 14

To translate MIDI messages into music, most PCs use volumetable synthesis technology.

Question 15

MIDI is suitable for instrumental music but not for vocals because of the complexity of synthesizing the human voice singing lyrics.

Question 16

Ripping is a slang term that refers to the process of importing tracks from an audio CD to your computer's hard disk.

Question 17

Sound adds dimension to your computing experience.

Question 18

Downloaded files from some services are protected by digital rights management (DRM) that limits copying and sharing.

Question 19

A sound wave provides information about a sound.

Question 20

Your PC outputs sound to speakers, microphones, and headphones.

Question 21

A sequence of ____ is stored as an audio file.

A) tests
B) bytes
C) bits
D) samples

Question 22

MIDI files contain a set of instructions for synthesizing music which are called MIDI ____.

A) addresses
B) e-mails
C) sound bytes
D) messages

Question 23

During the ripping process, music in CD-DA format is typically converted into a compressed format such as ____.

A) MP4
B) ACA
C) WMB
D) MP3

Question 24

Most speech synthesizers string together basic sound units called ____.

A) rips
B) waves
C) phonemes
D) bytes

Question 25

____ can theoretically produce any words or phrases-not just those you have recorded.

A) Synthesized speech
B) Phonemes
C) Amplitude
D) Frequency

Question 26

You can use ____ software to capture musical themes from a MIDI instrument.

A) digitization
B) sequencer
C) amplification
D) audio

Question 27

The more samples your PC takes per second, the more accurately it can reproduce the ____.

A) frequency
B) amplitude
C) wave
D) energy

Question 28

To create ____ audio, you need a microphone and sound software.

A) video
B) digital
C) sound
D) MP3

Question 29

Music is stored on CDs in a digital format called ____.

A) DVD
B) CD-RW
C) CD-DA
D) CD-DB

Question 30

____ hardware consists of electronic circuitry that can generate speech or musical sounds.

A) Text-to-speech
B) Synthesizing
C) Digitizing
D) Audio

Question 31

The height of a wave indicates volume, which is technically called ____.

A) digitized sound
B) audio sound
C) amplitude
D) peak

Question 32

The time between wave peaks indicates the sound's ____.

A) frequency
B) volume
C) amplitude
D) timing

Question 33

One ____ of MIDI music might require only 10 KB of disk space.

A) second
B) minute
C) hour
D) millisecond

Question 34

The technical term for ____ is digital audio extraction.

A) ripping
B) tearing
C) packing
D) processing

Question 35

____ specifies a standard way to store music data for synthesizers, electronic instruments, and computers.

A) MIDI
B) MP3
C) AAC
D) WMA

Question 36

____ synthesis generates music by patching together a set of sounds that were prerecorded as individual notes from actual instruments.

A) Wavetable
B) Volume
C) Audio
D) Digital

Question 37

One minute of digitally recorded music requires about 10 MB of storage space when stored in Wave format, a popular ____ or uncompressed file type.

A) scanned
B) raw
C) unpacked
D) unfiltered

Question 38

A(n) ____ sampling rate produces fairly realistic digitized human speech.

A) 11 kHz
B) 1 kHz
C) 10 kHz
D) 22 kHz

Question 39

Computers can accept and process spoken ____ using a process called speech recognition.

A) output
B) words
C) input
D) music

Question 40

The set of sounds that were prerecorded as individual notes from actual instruments is referred to as a ____ set.

A) stitch
B) plug
C) patch
D) plate

Question 41

Which of the following digital audio players does not support a variety of compressed audio formats?

A) WWA
B) MP3
C) AAC
D) WMA

Question 42

____ and other sound effects provide feedback as you use your PC, alerting you to error messages and other important events.

A) Alarms
B) Beeps
C) Horns
D) Speakers

Question 43

Today, audio circuitry is built into the system board and called ____ audio.

A) integrated
B) synchronized
C) amplified
D) digitized

Question 44

____ audio is a recording of real music, vocals, sound effects, or speech that has been converted into electronic signals.

A) Sound
B) Digital
C) Binary
D) Synthesized

Question 45

Lossy compression ratios can exceed ____.

A) 10:1
B) 100:1
C) 50:1
D) 1,000:1

Question 46

In the figure above, item 1 is ____.

A) analog signals being converted to digital data
B) decompressed digital data being sent to the sound card
C) the data being converted to analog signals
D) analog signals being sent to the speakers

Question 47

The ____ process is similar to listening to a radio broadcast because you listen as the music is transmitted, and the music is not permanently stored on your computer.

A) iRiver
B) digital audio extraction
C) streaming
D) wavetable synthesis

Question 48

Audio circuitry is typically equipped to accept ____ from a microphone.

A) input
B) output
C) voice
D) speech

Question 49

In the figure above, which of the following software is being used?

A) Windows Media Player
B) Apple iTunes
C) Apple iRip
D) Windows Music Player

Question 50

The computer's sound card is responsible for transforming the bits stored in a(n) ____ file into music, sound effects, and narrations.

A) Word
B) video
C) audio
D) sound

Question 51

In the figure above, which digital sound sample has the highest sampling rate?

A) 1
B) 2
C) 3
D) none; they all have the same sampling rate

Question 52

Music that is not protected by ____ is still copyrighted.

A) audio protection management
B) digital rights management
C) audio protection synthesis
D) digital synthesis management

Question 53

Which bit rate corresponds to a file size of mid-range music quality?

A) 32 kbps
B) 128 kbps
C) 11 kHz
D) 40 kHz

Question 54

In the figure above, the button referred to by item 3 allows you to ____.

A) select an import format
B) delete a song
C) import selected tracks
D) edit a track

Question 55

____ sound has been generated by a computer.

A) Digital
B) Synthesized
C) Amplified
D) Audio

Question 56

In the figure above, the checkboxes referred to by item 1 are used to ____.

A) play a song
B) select the tracks you want to import
C) delete a song
D) select songs to edit

Question 57

A(n) ____ is a software component that adds functionality to a browser, such as the ability to play MP3 music.

A) application
B) patch set
C) plug-in
D) bit rate

Question 58

In the figure above, you can use the menu referred to by item 2 to ____.

A) save a music file
B) play a music file
C) close the program
D) import music from a CD

Question 59

To shrink audio files to more manageable sizes, they can be converted into ____ formats.

A) compressed audio
B) MIDI
C) compressed data
D) CD-DA

Question 60

____ computers typically include a built-in microphone and speakers.

A) Desktop
B) Laptop
C) PDA
D) MWA

Question 61

Consumer advocates argue that ripping is acceptable ____________________, whereas representatives of the music industry maintain that ripping without permission is not legal.

Question 62

____________________ is a measurement of how many bits of data are sent to the processor during a one-second time span.

Question 63

Audio circuitry is equipped to send ____________________ to speakers or headphones.

Question 64

A set of sounds that were prerecorded as individual notes from actual instruments is called a ____________________ set.

Question 65

____________________ is a slang term that refers to the process of importing tracks from an audio CD to your computer's hard disk.

Question 66

Describe how your PC digitally captures a sound wave and how sampling rates affect the quality of the file.

Question 67

Case-Based Critical Thinking Questions Case 14-1 Thelma is researching her computer's audio capabilities. She likes to use her computer to listen to music and is now thinking about trying to import music from her CD collection onto her computer. Thelma now wants to be able to record a speech she has to give in class. She wants to be able to hear what she sounds like so that she can make any necessary changes before she has to present to the class. Thelma's computer came with a microphone. In order to use the microphone, Thelma must first ____.

A) start her sound software and point the microphone at the sound source
B) plug the microphone into a wall outlet and program it to "speak" to her computer
C) plug the microphone into the USB port on the back of her computer
D) you can't use a microphone with a computer

Question 68

____________________ software examines the text stored in a file.

Question 69

Case-Based Critical Thinking Questions Case 14-1 Thelma is researching her computer's audio capabilities. She likes to use her computer to listen to music and is now thinking about trying to import music from her CD collection onto her computer. Thelma's neighbor asked for help reading her e-mails. Thelma knows she is beginning to lose her sight. What system should Thelma suggest to her neighbor that reads the computer screen aloud?

A) graphics software
B) word processing software
C) text-to-speech software
D) sequencer software

Question 70

Case-Based Critical Thinking Questions Case 14-1 Thelma is researching her computer's audio capabilities. She likes to use her computer to listen to music and is now thinking about trying to import music from her CD collection onto her computer. Thelma wants to import her favorite song off of her favorite CD onto her computer. In order to do this, Thelma has to ____.

A) download the song somewhere on the Internet
B) use a software tool such as Apple iTunes or Windows Media Player to rip the track from her CD
C) buy the song through a software tool such as Apple iTunes
D) throw the CD at her computer as hard as she can

Question 71

To capture musical themes from a MIDI instrument, you can use ____________________ software.

Question 72

When are you acting legally when ripping music for your own personal use?

Question 73

A sequence of ____________________ is stored in an audio file.

Question 74

____________________ audio is a recording of real music, vocals, sound effects, or speech that has been converted into electronic signals.

Question 75

Children can ____________________ while their PCs read stories.