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Grab a book and use it to answer the questions below.  Answers can be found in Chapter 9 of your book.

1. A loudspeaker is a transducer that converts: (p. 169)

a. acoustic energy to electric energy
b. electric energy to acoustic energy
c. acoustic energy to magnetic energy
d. magnetic energy to acoustic energy

2. One-way or single-system loudspeakers are not recommended for high-quality monitoring because they: (p. 169)

a. reproduce only bass frequencies or treble frequencies but cannot reproduce both
b. reproduce mainly midrange frequencies
c. cannot reproduce loud sound pressure levels
d. cannot reproduce a wide dynamic range

3. In order to overcome the limitation of a single loudspeaker reproducing the whole frequency spectrum, two-, three-, and four-way systems are used. These systems refer to: (p. 169)

a. the number of drivers in the system
b. the number of woofers in the system
c. the number of tweeters in the system
d. the number of frequency bands the system is divided into

4. The device that divides the signal before it is sent to the woofer(s) and tweeter(s) is called a(n): (p. 169)

a. biamplifier
b. active network
c. crossover network
d. passive network

5. Which of the following reproducing systems has the widest frequency response? (p. 171)

a. AM radio
b. TV
c. 16mm optical sound
d. 35mm optical sound

 6. Linearity in a loudspeaker means that: (p. 172)

a. frequencies fed to a loudspeaker at a particular loudness are reproduced at the same loudness
b. a crossover network in a loudspeaker reproduces an active signal
c. frequencies fed to a loudspeaker at a particular loudness are reproduced relative to the equal loudness principle
d. projection of dispersed sound (dispersion) is the spatial analog of the recorded sound

7. Loudspeaker deviation from a flat frequency response should be no greater than: (p. 172)

a. plus or minus 3 dB
b. plus or minus 6 dB
c. plus or minus 9 dB
d. plus or minus 12 dB

8. If a 50-watt power amplifier is replaced with a 100-watt power amplifier, the resulting sound will be: (p. 72)

a. slightly louder
b. the same loudness
c. twice as loud
d. four times as loud

9.Distortion is the: (p. 172)

a. lowering of maximum output level
b. result of using a single loudspeaker for monitoring
c. result of not using noise reduction
d. appearance of a signal in the reproduced sound that was not in the original sound

10. Intermodulation distortion results when: (p. 172)

a. sound is played too loud
b. two frequencies interact to produce other tones
c. the signal changes too rapidly
d. an amplifier with too little power is used

11. By comparing the sensitivity rating of different loudspeakers, it is possible to tell which loudspeaker: (p. 173)

a. will play loudest
b. will produce the least harmonic distortion
c. has the least loudness distortion
d. produces the most output for a certain amount of power

12. The considerations related to how a loudspeaker focuses sound at the monitoring position(s) are: (p. 173)

a. output level capability and wattage
b. sensitivity and arrival time
c. monitor placement and phasing
d. polar response and coverage angle

 

13. Which one of the following locations will reproduce a loudspeaker’s sound loudest? (p. 176)

a. in the center of a room
b. against a wall
c. in a corner
d. in a corner at ceiling (or floor) level

14. Near-field monitoring allows the operator to hear: (p. 179)

a. more direct sound
b. more indirect sound
c. a better spectrally balanced sound
d. less bass

15. Near-field monitoring reduces the audibility of control room acoustics by placing loudspeakers close to the listening position. (p.179)

a. true
b. false

16. A real-time analyzer is used to analyze: (p. 183)

a. acoustic time delay in real time
b. time delay in the reverb system
c. frequency response in real time
d. loudspeaker response in real time

17. One of the following is not an advantage of monitoring with headphones in a control room: (p. 185)

a. sound quality will be consistent in different studios
b. subtle changes in a recording are easier to hear
c. the aural image is inside the head rather than out in front
d. aural smearing due to room reflections is reduced

18. When monitoring with headphones, which of the following is not true? (p 185)

a. they should be supra-aural, or open air types
b. frequency response should be wide, flat, and uncolored
c. they should be circumaural, or around the ear types
d. you should be thoroughly familiar with their sonic characteristics

19. Most professional audio mixing rooms use both far field and near field monitoring systems. (p. 179)

a. true
b. false

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