Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Psych of Music > Quiz Ch. 5-6 > Flashcards

Quiz Ch. 5-6 Flashcards

You may prefer our related Brainscape-certified flashcards:
Psychology 101 flashcards GRE® Psychology flashcards Ultimate Music Theory flashcards
1
Q

What initiates or causes sound?

A

Mechanical pressure variances traveling as waves through an elastic molecular medium.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What kind of medium does sound require?

A

Sound can travel through any medium.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What type of vibrating body produces integer related particles?

A

One dimensional bodies, such as a string or air column.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Musical tone is caused by:

A

Periodic vibrations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Humans perceive frequency as:

A

Pitch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How many cents are in a half step?

A

100 cents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

If a trombone is producing a 100 Hz tone (1st harmonic), what is the frequency of its third harmonic?

A

300 Hz

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Fourier’s theorem states that:

A

All complex tones can be broken down into constituent single frequency tones.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

A sound’s envelope refers to:

A

How the attributes of sound change over time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The horizontal axis of a sound wave graph represents:

A

Time passage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The vertical axis of a sound wave graph represents:

A

Pressure variance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The ratio of loudest to softest sounds we can hear is:

A

A trillion to one.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

One function of the outer ear is to:

A

Make sounds coming from in front of us more intense.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The ear canal amplifies:

A

Sounds in the 2,000-4,000 Hz range

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The Eustachian Tube

A

Equalizes pressure on both sides of the eardrum.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which hair cells supply more auditory information?

A

Inner hair cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What kind of effect does musical training have on otoacoustic emissions?

A

Positive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Hair cells nearer to the oval window respond best to:

A

Loud sounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The auditory pathway from the inner ear to the brain is:

A

Very diffuse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

In the auditory cortex, lower frequencies are:

A

Mapped on the outside, closer to the surface of the brain.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

The primary function of auditory association areas is to:

A

Place sounds analyzed by the primary auditory cortex into a broader context.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Sound travels fastest in air, water, or steel?

A

Steel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

The stiffer the material the __________ the sound travels.

A

Faster

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

The denser the material the __________ the sound travels.

A

Slower

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Air density has _______ effect on the speed of sound.

A

Little

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

The faster the vibrations the higher the __________ .

A

Frequency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Humans perceive the frequency of sound as ________.

A

Pitch

28
Q

Humans can hear sounds falling between ________ and _______ cycles per second.

A

20 and 20,000

29
Q

Humans are most sensitive to sounds between ________ and ________ cycles per second.

A

1,000 and 5,000

30
Q

4 ways of measuring or describing sound:

A

Frequency, Amplitude, Waveform, and Time

31
Q

Wave Cycle

A

The cycle a wave takes for it to start, reach maximum, reach minimum, and come back to the starting frequency.

32
Q

Wave Period

A

The time it takes to go through the wave cycle.

33
Q

Wave Length

A

The distance a wave covers in one second.

34
Q

Amplitude

A

How much energy is contained in the compression or rarefaction of molecules that make up sound waves.

35
Q

Frequency

A

Measurement of a number of periodic waves that pass a given point in a given time span.

36
Q

Sound pressure _________ exponentially with distance from sound source.

A

Decreases

37
Q

Sound pressure is measured in:

A

Pascals

38
Q

_____ are used to compare sound pressure levels.

A

Decibles

39
Q

What is the human perception of amplitude?

A

Loudness/Volume

40
Q

Simple vibrations are represented by __________

A

Sine waves

41
Q

Complex vibrations have many different _________

A

Partials/harmonics

42
Q

Complex vibrations are represented by _________

A

Sawtooth waves

43
Q

How do humans perceive a waveform’s complexity?

A

Timbre

44
Q

Elements of a sound’s envelope:

A

Attack, Decay, Sustain, Release

45
Q

Attack

A

Length of time sound takes to reach initial intensity

46
Q

Decay

A

Sounds ‘settle’ in after reaching their first peak amplitude.

47
Q

Sustain

A

Main part of the sound.

48
Q

Release

A

Length of time the sound takes to fade to silence after it’s been released.

49
Q

How environment affects sound

A

Transmission, Absorption, Reflection, Diffraction, Refraction, Interference

50
Q

Higher or Lower frequencies are absorbed more?

A

Higher

51
Q

Reflection of sound:

A

Reverberations/Echos

52
Q

Diffraction of sound:

A

How sound bends around objects

53
Q

Refraction of sound:

A

How sound transmits from one material to another.

54
Q

Interference of sound:

A

Waves can cancel each other out or reinforce one another.

55
Q

What has to happen for waves to cancel each other out?

A

They have to start exactly half a wavelength apart.

56
Q

What has to happen for waves to reinforce one another?

A

They have to start one wavelength apart.

57
Q

Three elements needed for sound perception

A

Source of vibrations, medium of transmission, perceiver.

58
Q

Outer Ear Canal resonates sounds in what range?

A

2,000-4,000 Hz

59
Q

Which bone is attached to the eardrum?

A

Hammer

60
Q

The hammer, anvil and stirrup transfer sounds to what part of the ear?

A

Oval Window to the cochlea

61
Q

What separates the middle ear from the inner ear?

A

The oval window

62
Q

2 surface membranes of the cochlea

A

Round and Oval windows

63
Q

What is the cochlea filled with?

A

Perilymph

64
Q

What are the two canals in the cochlea?

A

Vestibular and Tympanic canal

65
Q

What rests on the Basilar Membrane?

A

Organ of Corti

66
Q

The organ of corti has what on it?

A

Hair cells

Psych of Music (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions