Exam 2 Part 9

Question 1

The more sampling we do the _______ it represents the signal better

Answer 1

Better

Question 2

Giving the numbers to the signal

Answer 2

Quantization

Question 3

Provides objective and noninvasive analysis of vocal function

Answer 3

Acoustic measurements

Question 4

What are the 5 acoustic measurements

Answer 4

Fundamental Frequency
Intensity
Perturbation measures
Ratio of signal (i.e., harmonic) energy to noise
Spectral or Cepstral features

Question 5

Rate of vibration of the vocal folds and is expressed in Hertz (Hz) or cycles per second (cps).

Answer 5

Fundamental frequency

Question 6

Acoustic correlate of pitch

Answer 6

Fundamental frequency

Question 7

Psychoacoustic correlate of fundamental frequency

Answer 7

Pitch

Question 8

What is the DRIVING source of voice

Answer 8

Positive subglottal pressure

Question 9

What the SOUND source of voice?

Answer 9

Changing glottal airflow

Question 10

Perceptual (or psychoacoustic) correlate of Intensity

Answer 10

Loudness

Question 11

Acoustic correlate of loudness

Answer 11

Intensity

Question 12

What types of intensities do we use clinically?

Answer 12

Habitual, intensity range

Question 13

What instruments do we derive intensity measures?

Answer 13

Sound level meters, acoustic analysis programs, aerodynamic measurement devices

Question 14

Average intensity

Answer 14

Habitual intensity

Question 15

Provides a thorough description of a patient’s physiologic limits of frequency and intensity, useful for monitoring vocal range in professional voice users

Answer 15

Phonetogram

Question 16

A 2 dimensional figure that has time on the x-axis, y-axis can be any amplitude (intensity, frequency, energy, etc.)

Answer 16

Wave form

Question 17

A 2 dimensional figure that has frequency on the x-axis, can be any amplitude on y-axis (typically intensity); can understand amplitudes of any harmonic

Answer 17

Spectrum

Question 18

Jitter and shimmer are _____ form based measures

Answer 18

Wave-form

Question 19

3 dimensional figure that has an X (time), Y (fundamental frequency), and Z axis (intensity)

Answer 19

Spectrograms

Question 20

What are 2 ways we analyze the acoustics of voice?

Answer 20

Time-based measures, frequency based measures