New Exam 2 Flashcards

0
Q

What is a voiced source?

A
  • vocal fold vibration

- vowels, nasals, glides, liquids

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1
Q

What are the four sound sources of speech?

A
  1. Voiced source
  2. Turbulent source
  3. Transient source
  4. Combined sources
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2
Q

What is turbulent source?

A
  • turbulent airflow through narrow construction in the vocal tract
  • aperiodic, hissing quality
  • fricatives /f, s, S, ø, h/
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3
Q

What is transient source?

A
  • abrupt changes in airflow due to release of air pressure built up behind a construction in the vocal tract
  • aperiodic
  • stops /p,t,k/
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4
Q

Turbulent + Transient =

A

/ts/

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5
Q

Voiced + Turbulent =

A

/z, v, 6, 3/

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6
Q

Voiced + Transient =

A

/b, d, g/

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7
Q

Voiced + Turbulent + Transient =

A

/d3/

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8
Q

What are semivowels?

A

Glides and liquids

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9
Q

Glides and liquids are ____________ consonants

A

Resonant (or sonorant)

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10
Q

Glides occur only before a __________?

A

Vocalic nuclei

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11
Q

The palatal glide /j/ is produced…

A

At a position close to that for /i/

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12
Q

The glide /w/ is produced…

A

At a position close to that for /u/

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13
Q

Closing phase

A
  • The velopharyngeal closure

- An occlusion formed by lips or tongue within the oral cavity

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14
Q

Closure phase

A

Holding the air in the vocal tract and increased intraoral pressure

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15
Q

Release phase

A
  • Orally released with a transient burst of noise
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16
Q

A glottal stop

A
  • Articulated at the glottis

- Voiceless

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17
Q

Acoustic features of stop production (4)

A
  1. Silent gap
  2. A noise burst
  3. Rise and Fall time
  4. Formant transition
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18
Q

Silent gap

A

In the case of voiced stops (/b,d,g/) the presence of a low intensity harmonic , the fundamental frequency

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19
Q

Noise burst

A
  • Vertical spike following the silent gap

- More prominent for VL stops

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20
Q

Rise time and Fall time

A

Maximum intensity for syllable initial and minimum intensity for syllable final stops

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21
Q

Formant transition

A

F1 rises rapidly after the release of initial stops and falls rapidly before completion of the closure for the final stops

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22
Q

What are labial stops?

A

/p/ and /b/

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23
Q

Labial stops (description)

A

-weak and low frequency (300 hz)

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24
What are the alveolar stops?
/t/ and /d/
25
Alveolar stops (description)
Strong burst of energy at high frequencies (around 3000 Hz)
26
What are the velar stops?
/k/ and /g/
27
Velar stops (description)
Strong burst energy at mid frequencies
28
VOT
Voice Onset Time
29
What is VOT?
Interval between release of stop and the onset voicing
30
What are the 3 types of VOT
1. Short lag 2. Long lag 3. Pre-voicing
31
Short lag
0-30 ms VL unaspirated stops +VOT
32
Long lag
0-40 ms VL aspirated stop + VOT
33
Pre-voicing
Voicing before release Before 0 ms - VOT
34
Fricatives are ____________ consonants
Nonresonant
35
Four places of articulation for fricatives?
1. Labiodental 2. Linguadental 3. Alveolar 4. Postalveolar
36
What sibilants have a hissing quality?
/s, z/ and /S, 3/
37
Where is /s, z/ articulated?
Tongue tip approaching the alveolar ridge or with the tongue tip down behind the lower incisors.
38
How is /S, 3/ articulated?
- The construction is made at the postalveolar area - Lip rounding is involved - A wider range of constrictions than for /s,z/
39
The aspirate /h/ is produced...
With a constriction at the glottis
40
What are the voiceless fricatives?
/f, Ø, s, S/
41
/s/ and /S/ have ___________ frication
Strong
42
/f/ and /Ø/ have _____________ frication
Weak
43
VL or V has longer frication?
VL
44
Voiced fricatives and affricates have...
Voice bar
45
Frication noise is higher for _____ than _____
/s/ than /S/
46
Alveolar fricatives have intense noise in the higher frequencies than...
Palatal fricatives
47
Nasals are __________ consonants
Resonant
48
Can nasals become syllabic?
Yes
49
Nasals are articulated with...
The velum lowered and the nasal cavity open
50
The oral cavity is occluded (for /m/) at...
The lips
51
The oral cavity is occluded (for /n/) at...
The alveolar ridge
52
The oral cavity is occluded (for /ng/) at...
Post alveolar
53
Nasal murmur within...
The 200-300 Hz range for an adult male's tract
54
Antiresonances are due to...
Complete occlusion of the oral cavity
55
A loss in intensity due to sound being absorbed by the soft walls and convolutions within the nasal cavities...
Antiresonances
56
Frequency range for antiresonance [m]
500-1500 Hz
57
Frequency range for antiresonance for [n]
2000-3000 Hz
58
Frequency range for antiresonance [ng]
Above 3000
59
Assimilation
An alternation in the movement of a single articulator due to the effect of neighboring sounds
60
Phonemic change
- Affects place, manner, voicing - Complete assimilation - EX: pumpkin, bank, "lellow"
61
Allophonic Change
- Partial assimilation - "Eat the bread." Phonetic change - "key" vs "call" Allophonic change
62
Coarticulation
Two articulators are moving at the same time for different phonemes Ex: "soon" vs "seen"
63
Suprasegmental
Stress, intonation, duration, juncture Features that are overlaid on syllables, words, and phrases and sentences
64
Stress
The unit of stress is the syllable
65
Lexical stress
Stress within words Ex: PER-mit vs. per-MIT
66
Contrastive stress
"I want ICED coffee instead of HOT coffee."
67
Sentence stress
Word that is emphasized in a sentence. Only content words can receive sentence stress.
68
Three acoustic characteristic associated with stresses syllables
1. High f0 (increased tension on the VFs): greatest effect 2. Higher intensity 3. Greater duration
69
Rise-Fall intonation
Declarative statements, commands, wh-questions, expressing surprise
70
Rising intonation
Yes-no questions, reciting a list, incomplete sentences
71
Motherese
Caregivers' modification to respond to their infants
72
Acoustic characteristics of motherese (4)
1. High pitch 2. Dramatic intonation pattern 3. Slower (duration longer) 4. Vowels extended
73
Intrinsic duration (3)
Diphthongs > Monophthongs Tense vowels > Lax vowels Continuant consonants>stop consonants
74
Phrase-final
Lengthening at the ends of phrases and sentences
75
Vowels before voiced consonants and in open syllables are...
Longer
76
Longer consonant if...
Two phonemes occur right next to each other
77
Juncture
Linking of syllables and words in connected speech
78
External juncture
Short pause (commas) vs. long pause (period or semicolon)
79
Internal juncture
Pause between words in the same into national phrase