Chapter 2 Flashcards

1
Q

phonetics

A

the study of speech emphasizing the description and classification of speech sounds (phones) according to their production, transmission, and perceptual features.

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2
Q

speech sounds and their disorders are represented by

A
both form (phone) and function (phoneme) difficulties
Speech sounds = phones
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3
Q

Articulatory phonetics

A

deals with the production features of phones, their categorization, and arrangement according to specific details of their production.
- field of study attempts to document phones according to specific parameters, such as their manner or voicing features.

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4
Q

Acoustic phonetics

A

deals with the transmission properties of speech

- the frequency, intensity, and duration of phones are described and categorized

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5
Q

auditory phonetics

A

investigators focus on how we perceive sounds.

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6
Q

speech mechanism

A

divided into the respiratory, phonatory, resonatory, and articulatory systems.

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7
Q

The respiratory system

A

consists of: the lungs, rib cage, thorax, abdomen, trachea, and those muscles associated with breathing primary function: vital exchange of gases for life support.
secondary function: generate a stream of air for the production of speech
principle muscle: diaphragm; Several muscles aid inhalation; the more important ones are the external and internal intercostals.

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8
Q

Inspiration

A

intercostal muscles contract, exert an upward force on ribs

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9
Q

Expiration

A

intercostal muscles relax, rib cage returns to resting position

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10
Q

pleural linkage

A

Two pleurae accomplish this pleural linkage, one covering the outer surface of the lungs and one covering the inner surface of the thorax and the top portion of the diaphragm.

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11
Q

Alveolar pressure (during rest)

A

equal to the outside air pressure

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12
Q

subglottal air pressure

A

the pressure below the vocal folds, the glottis being the space between the vocal folds

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13
Q

primary function of the larynx and vocal folds

A

preventing foreign substances from entering the respiratory system

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14
Q

Extrinsic muscles of the larynx

A

(those having at least one attachment to structures outside the larynx) are primarily responsible for support and fixation of the larynx

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15
Q

Intrinsic muscles of the larynx

A

(those having both attachments within the larynx) are necessary for control during voice production

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16
Q

adduct

A

close the vocal folds

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17
Q

abductor

A

open the vocal folds

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18
Q

fundamental frequency

A

The average number of glottal openings per second

  • females is approximately 200 to 260 cycles per second
  • males it is between 120 and 145 cycles per second
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19
Q

primarily responsible for variations in fundamental frequency

A

Changes in the tension of the vocal folds

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20
Q

changes in vocal loudness result from

A

variations in subglottal air pressure, which varies the amplitude of the vocal folds’ vibratory cycle

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21
Q

We perceive this as an increase in loudness.

A

When more subglottal air pressure is present, the vocal folds move farther away from the midline during their vibratory cycles

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22
Q

timbre

A

the tonal quality that differentiates two sounds of the same pitch, loudness, and duration

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23
Q

The resonatory system

A

composed of three cavities within the vocal tract: the pharyngeal, oral, and nasal cavities

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24
Q

Vocal tract

A

consists of all speech-related systems above the vocal folds

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25
Q

pharyngeal cavity

A

a muscular and membranous tube-like structure extends from the epiglottis to the soft palate

26
Q

oral cavity

A

mouth area extends from the lips to the soft palate

27
Q

nasal cavity

A

ose area, consist of two narrow chambers that begin at the soft palate and end at the exterior portion of the nostrils
The floor of the nasal cavities is the hard palate.

28
Q

Resonance

A

the selective reinforcement and absorption of sound energy at specific frequencies
- certain frequencies are amplified or intensified (reinforced), whereas others are suppressed or damped out (absorbed)
one major component in determining our characteristic vocal qualities as well as in providing the basis for specific speech sounds

29
Q

velopharyngeal mechanism

A
  • directly affects speech sound quality by channeling airflow through either the oral or the nasal cavities
  • consists of the structures and muscles of the velum (soft palate) and those of the pharyngeal walls
30
Q

velopharyngeal port

A

he passage that connects the oropharynx and the nasopharynx, can be closed by (1) elevation and posterior movements of the velum and (2) some forward and medial movements of the posterior and lateral pharyngeal walls.

31
Q

The articulatory system

A

directly involved in forming individual speech sounds.
- The structures within this system consist of the lips, tongue, mandible, teeth, hard palate (including the alveolar ridge), velum, and uvula, which are called articulators

32
Q

Vowels

A

produced with a relatively open vocal tract; no significant constriction of the oral (and pharyngeal) cavities is required.
aka open sounds
- always with vocal fold vibration (VOICED)
- also known as sonorants

33
Q

Consonants

A

have significant constriction in the oral and/or pharyngeal cavities during their production
aka constricted sounds
- with or without vocal fold vibration (voice or voiceless)

34
Q

Sonority

A

its loudness relative to that of other sounds with the same length, stress, and pitch

35
Q

sonorant consonants

A

produced with a relatively open expiratory passageway. The sonorant consonants include the nasals ([m, n, ŋ]) and the approximants ([l, ɹ, w, j]).

36
Q

obstruents

A

which are characterized by a complete or narrow constriction between the articulators hindering the expiratory airstream.
- The obstruents include the plosives ([p, b, t, d, k, ɡ]), the fricatives ([f, v, s, z, θ, ð, ʃ, ʒ, h]), and the affricates ([ʧ, ʤ]).

37
Q

syllabic

A

A consonant that functions as a syllable nucleus

38
Q

monophthongs

A

Vowel that remains qualitatively the same throughout its entire production; a pure vowel.

39
Q

diphthongs

A

vowels in which there is a change in quality during their production

  • beginning of diphthong is on-glide
  • the end of the diphthong is off-glide
40
Q

Three phonetic categories are used to characterize consonants

A

(1) voicing ­features, (2) place of articulation, and (3) manner of articulation

41
Q

Voicing

A

term used to denote the presence or absence of simultaneous vocal fold vibration, resulting in voiced or voiceless consonants

42
Q

cognates

A

Pairs of similar sounds, such as [t] and [d], that differ only in their voicing feature

43
Q

Place of articulation

A

where the constriction or narrowing occurs for the various consonant productions. The upper lip, upper teeth, palate, and velum are the main stationary places of articulation

44
Q

Manner of articulation

A

the type of narrowing that the articulators produce for the realization of a particular consonant

45
Q

plosives

A

complete blockage is secured at specific points in the vocal tract.

46
Q

fricatives

A

the articulators approximate each other so closely that the escaping expiratory airstream causes an audible friction noise.

47
Q

sibilants

A

have a higher amplitude and pitch due to the presence of high-frequency components

48
Q

Nasal

A

consonants are produced with the velum lowered so that air can pass freely through the nasal cavity

49
Q

Affricates

A

First, a complete closure is formed between the articulators, and the velum is raised.
Second, the stop is then slowly (in comparison to the plosives) released orally, resulting in the friction portion of the speech sound

50
Q

coarticulation

A

describes the concept that the articulators are continually moving into position for other segments over a stretch of speech

51
Q

assimilation

A

refers to adaptive articulatory changes through which one speech sound becomes similar, sometimes identical, to a neighboring sound segment.

52
Q

contact assimilation

A

directly adjacent sounds are modified

53
Q

remote assimilation

A

If at least one other segment separates the sounds in question, especially when the two sounds are in two different syllables

54
Q

progressive assimilation

A

a segment influences a following sound in a linear manner.

55
Q

regressive assimilation

A

a sound segment influences a preceding sound

56
Q

total assimilation

A

occurs when the changed segment and the source of the influence become identical.

57
Q

partial assimilation

A

when the changed segment is close to, but not identical to, the source segment

58
Q

peak

A

is the most prominent, acoustically most intense part of the syllable

59
Q

onset

A

consists of all the segments prior to the peak

60
Q

coda

A

made up of all the sound segments of a syllable following its peak