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experimental phonetics midterm 2 > midterm questions > Flashcards

midterm questions Flashcards

1
Q

a sound wave is a ____ because the movement of air particles is in the same direction of the sound

A

longitudinal wave

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2
Q

areas where air particles are spread apart are___ areas where air particles are closer together are___

A

apart=rarefaction together=compression

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3
Q

which point corresponds to the airpressure pattern of compression in a regular simple sine wave?

A

where the line meets the wave.

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4
Q

which point corresponds to the air pressure pattern of rarefraction in a regular simple sine wave?

A

the top of the sine wave and the bottom of the wave under the line.

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5
Q

a ____ presents the sound as a unified entity

A

a waveform

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6
Q

a______presents the individual components of the sound over time

A

a spectragram

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7
Q

a sine wave that is more stretched out along the x axis has a ____than one with another.

A

lower frequency

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8
Q

a sine wave with higher peaks has a ___ than another sound (a)

A

higher intensity

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9
Q

frewuency (Hz) towards milliseconds veriable

A

x 100 so a sound that is 0.02 seconds long would be 200 Hz

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10
Q

what is the frequency of a sound that is one octave higher than a 100-Hz sound?

A

200 Hz

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11
Q

a complex sound wave that has a shorter vot (because stops) is more likely
/eke/ or /ege/

A

eke

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12
Q

a complex sound wave that has a longre vot (because of stops to vot ratio) is more likely /eke/ or /ege/

A

/ege/

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13
Q

/i/ is a __ ___ wave?

A

periodic, complex wave

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14
Q

/s/ is a ____ ____ wave?

A

aperiodic continuous wave

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15
Q

/z/ is a ____ ____ wave?

A

periodic, complex wave

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16
Q

/t/ is a ___ ____wave?

A

aperiodic, transient

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17
Q

in a wave form, the horizontal axis represents X, and the vertical axis reprents Y.

A

x=time, y= amplitude

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18
Q

in a spectrum, the horizontal axis represents X., and the vertical axis represents Y.

A

frequency, amplitude.

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19
Q

in a spectrogram, the horizontal axis represents X, and the vertical axis represents Y

A

time, frequency

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20
Q

vowel quaderalteral, top left corner, top right corner, botom left corner, bottom right corner.

A

top left=i top right=u bottom left=ae bottom right= a

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21
Q

we can hear better in a vacuum chanber because there is no background noise t/f

A

f

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22
Q

sound in water feels different from sound in air because sound travels slower under water than in air t/f

A

false

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23
Q

what kind of sound does [k] make? periodic/aperiod/complex/transient sound etc

A

transient sound, its a stop

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24
Q

what kind of sound does [g] make? periodic/aperiodic/complex/transient sound etc?

A

transient sound, its a stop.

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25
Q

what sound does [0th] make periodic/aperiodic/complex/transient sound etc?

A

a periodic sound, voiceless.

26
Q

what kind of sound does [v] make? periodic/simple/complex/aperiod/transient sound etc?

A

periodic complex sound, its a voiced fricative

27
Q

what kind of sound does [n] make? periodic/complex/aperiodic/transient sound etc?

A

n nasals make periodic, complex sounds

28
Q

what kind of sound does [u] make? periodic/complex/aperiodic/transient sound etc?

A

periodic, complex sound

29
Q

the source of all speech sounds is the vibration of the vocal folds tf/

A

FALSE NOT ALL

30
Q

teh source decides the harmonics, and thefilter decides the formants tf/

A

true

31
Q

when the slope of the spectrum is steeper, the output is softer tf

A

trues.

32
Q

f0 is the zeroth formant tf

A

false

33
Q

if the first harmonic is 100 Hz, the second harmonic is 200 Hz tf

A

t

34
Q

if the first formant is 440 Hz, the second formant is 880 Hz tf

A

false no relation

35
Q

f0 is the first harmonic tf

A

true

36
Q

the shorter the vocal tract, the higher the formant frequencies. tf

A

t

37
Q

harmonic frequencies are equally spaced tf

A

true

38
Q

formant frequencies are evenly spaced tf

A

false

39
Q

fundamental frequency means the first formant t/f

A

true

40
Q

lowering the tongue results in a decreased f1 tf

A

false

41
Q

fronting the tongue results in decreased f2 tf

A

false

42
Q

the dark horizontal bars on the spectrogram indicate the ____fof the sound

A

formants

43
Q

the thin white vertical bars on the spectrogram indicate that the sound is

A

voiced

44
Q

nasal stops are transient waves tf

A

false

45
Q

vowels before voiceless consonants are generally shorter than those before the voiced ocunter parts. t/f

A

true

46
Q

a negative vot means a voiceless stop tf

A

false

47
Q

obstruents include both oral stops and nasal stopstf

A

false

48
Q

sonorants include nasals, liquids, and glidestf

A

true

49
Q

approximants include nasals, liquids, and glides. tf

A

false

50
Q

human perception is better described by a linear or logarithmic scale?

A

logarithmic

51
Q

decibel is a ____ (type logarithmic or linear of scale)

A

logarithmic

52
Q

Hertz is a ___

A

linear/.

53
Q

octave is a (log or linear scale)

A

logarithmic

54
Q

a supersonic sound is a sound such that:

A

its frequency is above the normal range of human hear

55
Q

0dB means silence t/f

A

false

56
Q

0 Hz means silence tf

A

true

57
Q

t is possible to have a negative number on the dB scale tf

A

true, subson

58
Q

it is possible to have a negative number on the Hz sacle tf

A

false

59
Q

the intensity of a sound at 70 dB is 10 times greater than that of a sound at 60 dB. tf

A

true

60
Q

a sound at 70 db is percieved 10 times louder than a sound at 60 dB. tf

A

false. perceptionnnnnnnnnnnnnn=X=does not equal ten times louder.

experimental phonetics midterm 2 (6 decks)

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