1. One of the following is not a characteristic of sound: (p. 1)

a. it is emitted directionally
b. it can be layered
c. it is attention-demanding
d. it has a visual component

2. Sound can provide the listener with considerable cognitive information. Which of the following is not considered cognitive processing? (p. 3)

a. memory
b. reasoning
c. judgment
d. information relating to emotion, feeling, and mood

3. Sound also provides affective information. Which of the following is not considered affective processing? (p. 1)

a. emotion
b. feeling
c. knowledge
d. mood

4. Loud sounds cause hearing loss by damaging hair cells in the: (p. 3)

a. outer ear
b. cochlea
c. middle ear
d. auditory canal

5. Loud sounds can raise blood pressure, cause stomach trouble, tension, anxiety, fatigue, and crankiness. (p. 5)

a. true
b. false

6. Prolonged exposure to loud sound can bring on: (p. 5)

a. the threshold of pain
b. cochleal synapsis
c. inner ear syndrome
d. tinnitus

7. Having educated ears means: (p.7)

a. knowing how to have healthy ears
b. the ability to listen with careful discrimination to sound
c. knowing musical styles and musical theory
d. knowing what sounds are to loud

8. Analytical listening: (p. 8 )

a. is the same as critical listening
b. involves evaluation of the characteristics of the sound itself
c. is the evaluation of the content and function of sound cannot be learned

9. Audio professionals must be able to listen both critically and analytically (p. 8 )

a. true
b. false

10. A sound wave is a vibrational disturbance of: (p. 11)

a. molecules
b. electromagnetic radiation
c. electrostatic radiation
d. a transverse wave

11. Sound propagates through the air because: (p. 11)

a. it is omnidirectional
b. it has no tangible structure
c. of the elasticity of air
d. it cannot travel through any other medium

12. The point in a sound wave at which a partial vacuum occurs is the point of: (p. 11)

a. compression
b. rarefaction
c. elasticity
d. propagation

13. The number of times in a second a vibration completes one cycle is known as its: (p. 12)

a. attack
b. velocity
c. frequency
d. amplitude

14. The frequency of a sound wave is perceived as: (p. 13)

a. pitch
b. velocity
c. loudness
d. wavelength

15. Hertz is the term used to designate: (p. 12)

a. octave
b. velocity
c. cycles per second (cps)
d. wavelength

16. The frequencies between 20 Hz and 80 Hz are considered the: (p. 13)

a. (low)bass
b. midrange
c. presence range
d. treble

17. Pitch: (p.13)

a. is the same as frequency
b. is a term used by musicians while audio professionals use the term frequency
c. is the psychological perception of frequency
d. or frequency are the same as amplitude

18. The ninth and tenth octaves give sound: (p. 14)

a. a mellow quality
b. a bottom or foundation
c. a vital, brilliant, lifelike quality
d. richness

19. Acoustic sound pressure level (SPL)is measured logarithmically because: (p. 15)

a. pitch is also measured as logarithms
b. frequency is expressed as a logarithm
c. because of periodic changes in atmospheric pressure
d. to compress loudness measurement into manageable figures

20. The range of the difference in decibels between the quietest and loudest sound is called: (p. 15)

a. envelope
b. dynamic range
c. timbre
d. sound pressure level

21. One of the following statements is not true: (p. 15)

a. impedance is that property in a circuit that restricts the flow of AC current
b. impedance is measured in ohms
c. the lower the impedance in a circuit, the better
d. the higher the impedance in a circuit, the better

22. The equal loudness curves demonstrate the human ear’s relative insensitivity to: (p. 15)

a. midrange frequencies
b. eighth-octave frequencies
c. frequencies in the threshold of hearing
d. high and low frequencies

23. The response curve of the human ear is relatively flat or equally sensitive from the bass through the treble ranges. (p. 15)

a. true
b. false

24. If the following frequencies were sounded at the same level, which would be perceived as loudest? (p. 18)

a. 50 Hz
b. 1,000 Hz
c. 10,000 Hz
d. 15,000 Hz

25. The hiding of some sounds by other sounds when each is a different frequency and they are presented together is called: (p. 17)

a. equalization
b. the equal loudness principle
c. masking
d. phase

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