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SLP 302 > Chapter 5 > Flashcards

Chapter 5 Flashcards

1
Q

audible disturbance in air

A

Sound

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2
Q

vibratory motion that has one period of vibration

A

Simple harmonic motion

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3
Q

number of cycles per second (Hz)

A

Frequency

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4
Q

time taken to complete one cycle (m/sec)

A

Period

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5
Q

The frequency of a vibration is determined by… (2)

A

Mass and tension

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6
Q

What happens to frequency if we increase mass?

A

Decrease frequency

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7
Q

What happens to frequency if we increase tension?

A

Increase frequency

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8
Q

The property of matter that causes it to return to original shape after being deformed

A

Elasticity

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9
Q

property of a body that tends to oppose any change in velocity of the body

A

Inertia

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10
Q

the tendency for a body to vibrate at a specific frequency, based upon physical characteristics of the vibrating body.

A

Resonance

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11
Q

What is an example of resonance?

A

Singing vs normal speech, tuning fork made for 1 frequency

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12
Q

What are 3 factors needed to change resonant frequency?

A

length, tension, mass

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13
Q

What are the 3 stages of phonation?

A

Onset, Sustained phonation, offset

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14
Q

What occurs during onset?

A

Adduction of vocal folds, phonation begins and can be sustained

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15
Q

breath stream starts as folds adduct

A

Simultaneous attack “zero”

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16
Q

What is an example of a simultaneous attack?

A

Normal speech

17
Q

breath stream starts before folds adduct

A

Breathy attack

18
Q

breath stream starts after folds adduct

A

Glottal attack

19
Q

What are 5 factors that sustain phonation?

A

subglottal pressure, intraoral pressure, glottal airflow, degree of constriction of vocal folds, elasticity and tension of vocal folds

20
Q

What happens during the offset phase of phonation?

A

Abduction of the vocal folds, small decrease in pressure and phonation will stop

21
Q

phonatory pattern used during normal phonation

A

Modal phonation

22
Q

__% of speech is modal phonation

A

99

23
Q

What are the 2 simultaneous patterns of vibration make up modal phonation?

A

Transverse dimension, vertical dimension

24
Q

vocal folds become thin & elongated and voice is a higher range

A

Falsetto

25
Q

Lower pitch range, quiet phonation

A

Glottal fry

26
Q

During glottal fry ___% of the vocal folds stays closed

A

90

27
Q

What is the sub glottal pressure during glottal fry?

A

2 Cm H2O

28
Q

Rapid, small changes in pitch

A

Vibrato

29
Q

Non-phonatory sound production; hear turbulence as air passes through constriction

A

Whisper

30
Q

Why is whispering abusive to the vocal folds?

A

have to recruit more air to whisper and using a lot of force in the respiratory system which damages vocal folds 


SLP 302 (34 decks)

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