Exam 1 Part 7 Flashcards

1
Q

How is the fundamental frequency and harmonic series?

A

The fundamental frequency is the first harmonic (F0=H1)

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2
Q

How do you find different harmonics in a series?

A

___nth Harmonic = H1 x n

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3
Q

True or false: “In terms of the source-filter theory of speech production, the source of phonation in the vocal apparatus is the vocal folds. “

A

True

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4
Q

True or false: “The greater harmonic spacing in the spectrum corresponds to a lower F0, while the less the space between harmonics correspond to a higher F0.”

A

False

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5
Q

F0 average for men

A

125

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6
Q

F0 average for women

A

200

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7
Q

F0 average for children

A

300

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8
Q

What is the process called for the bringing together of the vocal folds?

A

Adduct

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9
Q

True or false: “Phonation of the sound source is only ever possible during voiced speech sounds (e.g., voiced consonants and vowels).”

A

True

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10
Q

What two aerodynamic forces cause vocal folds to be set into vibration?

A

Subglottal pressure below vocal folds, negative pressure between folds

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11
Q

True or false: Higher harmonics in the harmonic series have greater intensity that those with lower frequencies.

A

False; lower intensity

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12
Q

This is the effect that results in the vocal folds being drawn back together during the process of phonation.

A

Bernoulli

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13
Q

True or false: The glottis in the larynx refers to the physical vocal folds used for phonation.

A

False; true vocal folds

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14
Q

“According to aerodynamic theory of phonation, how is frequency of vocal fold vibration primarily determined?”

A

Length, tension, mass of vocal folds

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15
Q

Vowels have high ___ in a spectrogram

A

Intensity

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16
Q

Acoustic response of air molecules within the oral, nasal, and pharyngeal cavities to some source of sound that sets them into vibration

17
Q

The acoustic signal that comes out of the vocal tract is a complex wave comprised of multiple ______ _______

A

Resonating frequencies

18
Q

What are resonating frequencies determined by (2)?

A

Size and shape of the cavities in the vocal tract

19
Q

How is the access, size and shape of the cavities changed?

A

Movement and position of the active articulators

20
Q

What are the active articulators (4)?

A

Tongue, velum, lips, tongue

21
Q

What is the average vocal tract length in males?

22
Q

What is the average vocal tract length in females?

23
Q

What is the average vocal tract length in children (ages 11-14)

24
Q

What is the average vocal tract length in children (age 10)

25
Q

How do you find the lowest frequency?

A

Wavelength= 4 x Length of vocal tract

26
Q

How do you find the lowest resonating frequency?

A

Velocity / Wavelength

27
Q

1st resonant frequency

A

1st formant

28
Q

3rd resonant frequency

A

2nd formant

29
Q

5th resonant frequency

A

3rd formant