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Answer the following questions, you can use your book.  Click “Leave a Comment” to submit your answers.

1. Connection speed affects:  (p. 323)

a. audio quality

b.  file types allowable

c. microphone techniques

d. computer choice

2.  The faster the connection speed: (p. 323)

a. the lower the audio quality

b. the higher the audio quality

c. the more file formats you can send

d. the more compression required

3. Which of the following is not a way to improve audio quality in Internet audio: (p. 324)

a. improving connection speed

b. increasing the size of the files

c. increasing sampling rate

d. compression

4.  There is one basic type of digital file format used in Internet audio. (p. 325)

a. true

b. false

5.  Downloadable nonstreaming formats: (p. 325)

a. utilize the principle of buffering

b. require that the user first download the entire file and store it on the computer’s

hard disk.

c. require specific server software

d. is incredibly fast to download

6.  ISDN made it possible to produce a recording session in real time between studios across town or across the country.   (p. 327)

a. true

b. false

7. All internet audio including MP3 is at or near CD quality. (p.323)

a. true

b. false

8. Reducing the size of internet audio files may improve the quality. (p323)

a. true

b. false

9. Sound design is the process of creating the: (p. 328)

a. sound effects

b. music

c. audiotography

d. overall sonic character of a production

 10. The pitch of a sound refers to its: (p329)

a. highness or lowness

b. strength or weakness

c. loudness or quietness

d. tonal quality or color

 11. Timbre refers to a sound’s: (p. 199)

a. highness or lowness

b. strength or weakness

c. loudness or quietness

d. tonal quality or color

 12. One of the following characteristics is unlikely to be associated with slow tempo: (p. 199)

a. monotonous

b. controlled

c. agitated

d. dignified

13. Indirect narration: (p. 190)

a. describes what is being seen or heard

b. describes something other than what is being seen or heard

c. is narration recorded off-mic

d. is narration that is voiced over what is being seen or heard

14. In speech, the nonverbal sound can carry the primary meaning. (p. 334)

a. true

b. false

 15. In speech, meaning can be communicated through pace. (p. 334)

a. true

b. false

 16. By placing inflection on certain words, a speaker may: (p. 334)

a. change the sentence meaning

b. change the sentence syntax

c. change the sentence grammar

d. change the sentence structure

 17. Narrative sound: (p. 202)

a. emanates from and duplicates a sound source as it is

b. adds more to a scene than what is apparent

c. provides a verbal context to what is being seen or heard

d. provides factual rather than emotional information

 18. When sound parallels Picture: (p.330)

a. Neither the aural or the visual element is dominant

b. The visual element leads the aural element

c. The aural element follows the visual element.

d. The focus is always on the visual element

 19. When sound and picture define effect: (p.331

a. The aural and visual elements are equal

b. The aural and visual elements are different yet complimentary

c. The visual element defines the effect

d. The effect is always the same.

Define the following Key Terms:

Connection speed

streaming formats

Sampling rate

nonstreaming formats

File manipulation


File formats



We will be following the directions to make our speakers by clicking the image below and reading the instructions, step by step.

Audio Technology

Before the age of television, people entertained themselves largely by reading, telling stories, playing music and doing things outside. If you had to stop watching TV and using your electronic devices for one month, how would you fill your time? Would you miss them terribly, or would you welcome the break?

Leave a comment with a 2 paragraph response.

Free and open to the public, this weekend at Dateland Park in Coachella (Shady Ln & Bagdad)


Era @ 7pm

Use the book, Chapter 10, to create 10 multiple choice questions of your own.  Create a question with 4 options (A., B., C., D.) and one correct option.

Read the article below (click the image)

Did you hear the news about the best new Web browser?

Which browser do you prefer?

Click the image below and answer the questions…

Use the internet to find the answers to the following questions.

Q.1) Speaker wire runs that are more than 100 feet and are connected to an 8 ohm load should be

A. 10 gauge
B. 14 gauge
C. 12 gauge
D. 16 gauge
E. 24 gauge


Q.2)  The ease with which the cone of a driver moves is known as the driver’s
A. capacitance
B. reluctance
C. induction
D. compliance
E. damping factor


Q.3)  A measurement is made in the center of two identical loudspeakers, each powered by 100 watts. This measurement is 60 dB SPL. If one of the speakers is turned off, what would be the new measurement?
A. 70 dBv
B. 57 dB-SPL
C. 54 dBu
D. 66 dB
E. 30 dB-SPL


Q.4)  You should always place subwoofers
A. at waist height
B. at head height
C. as high as possible
D. behind the listener
E. on the floor


Q.5)  5.1 is a system that incorporates:
A. 6 matrixed channels
B. L, C, R, S, with LFE
C. 4:2:4 Matrix
D. five discrete audio channels
E. LF, C, RF, LS, RS, and a subwoofer


Q.6)  The main disadvantage of an active crossover system is
A. they take a long time to set up
B. the lack of user adjustments and controls
C. they can be damaged if the engineer is not careful
D. they steal amplifier power from the drivers
E. does not sound as good as a passive system


Q.7)  A part of a moving coil driver that fastens the cone to the basket while allowing it to move is the
A. voice coil
B. pole piece
C. transformer
D. spider
E. former


Q.8)  The impedance of a loudspeaker varies with it’s input
A. sensitivity
B. power
C. frequency
D. connection
E. wire gauge


Q.9)  The specification: 20hz-20khz +/- 3dB means
A. output of these frequencies will vary by a minimum of +/- 3db
B. Output of these frequencies depends on being within 3 dB of maximum output
C. there will be no output at all above 20 kHz or below 20 Hz
D. output of these frequencies will vary by a maximum of +/- 3dB
E. frequency response will be flat between 20Hz and 20kHz and vary +/- 3db above and below


Q.10)  Bridging an amplifier increases its
A. damping factor
B. power output
C. input sensitivity
D. RMS rating
E. none of the above


Q.11)  In a moving coil driver the voice coil interacts with the __________ to create cone movement
A. spider
B. permanent magnet
C. surround
D. basket
E. phasing plug


Q.12)  An amplifier’s damping factor reduces or eliminates a driver’s
A. compliance
B. back-emf
C. thermal failure risks
D. warranty period
E. gap tolerance


Q.13)  Which amplifier would be best suited for a driver with a continuous power rating of 100 watts?
A. 25 watts peak, per channel
B. 100 watts program, per channel
C. 10 watts per channel, bridged
D. 75 watts continuous, per channel
E. 150 watts continuous, per channel


Q.14)  A driver with a diameter of twelve inches will be omni-directional until what frequency?
A. 282 Hz
B. 482 Hz
C. 182 Hz
D. 1082 Hz
E. 82 Hz


Q.15)  Low frequency horns
A. help focus low frequencies
B. help disperse low frequencies
C. provide longer throw of low frequencies
D. help focus low frequencies & provide longer throw of low frequencies
E. help focus low frequencies & helps disperse low frequencies


Q.16)  Crossovers are used to
A. protect high frequency drivers
B. improve sound of low frequency drivers
C. protect the amplifier
D. improve the frequency response
E. protect high frequency drivers & improve sound of low frequency drivers


Q.17)  Quarter space loading results in
A. inpedance mismatches
B. +3dB boost in omnidirectional frequencies
C. +6dB boost in omnidirectional frequencies
D. +3dB boost in all frequencies
E. +6dB boost in all frequencies


Q.18)  The mouth of a low frequency horn must be
A. equal to the wavelength of the lowest frequency you want it to reproduce
B. 1/2 of the wavelength of the lowest frequency you want it to reproduce
C. 1/4 of the wavelength of the lowest frequency you want it to reproduce
D. 1/8 of the wavelength of the lowest frequency you want it to reproduce
E. 1/16 of the wavelenth of the lowest frequency that you want it to reproduce


Q.19)  Bi-amping and Tri-amping are
A. enclosures with multiple drivers
B. enclosures with both drivers and amplifiers
C. crossover settings
D. setups using active crossovers and multiple power amps
E. using both amp channels to drive one speaker


Q.20)  THD means
A. thermal heat detector
B. total heat displacement
C. total harmonic distortion
D. total harmonic displacement
E. thermal harmonic distortion


Q.21)  Slew rate is a measurement of
A. an amplifier’s transient response
B. a driver’s transient response
C. a crossover’s slope
D. a cabinet’s resonate frequency
E. an amplifier’s input sensitivity


Q.22)  Back EMF is
A. the result of an impedance mismatch
B. current created by voice coil movement in magnetic field
C. used to reinforce low frequencies in ported cabinets
D. worst in high frequencies
E. a driver’s method of transduction


Q.23)  A loudspeaker with a sensitivity spec of : 98dB-SPL 1w @ 1m will be how loud when driven by 250 watts @ 1m?
A. 122 dB-SPL
B. 124 dB-SPL
C. 113 dB-SPL
D. 115 dB-SPL
E. 130 dB-SPL


Q.24)  Ported boxes are used to
A. improve low frequency response
B. improve driver efficiency
C. allow for improved power handling
D. improve low frequency response & improve driver efficiency
E. all of the above


Q.25)  Piezoelectric drivers are
A. very efficient
B. very inefficient
C. very fragile
D. very efficient & very fragile
E. very inefficient & very fragile


Q.26)  Types of loudspeakers used for sound ‘reproduction’ are
A. telephone speakers
B. PA speakers
C. studio monitors
D. car/truck horns
E. guitar/bass cabinets


Q.27)  A crossover’s slope determines
A. whether it is active or passive
B. the rate at which it attenuates above or below the crossover point
C. which drivers it should be used with
D. the input imedance vs impedance
E. the time it takes to respond to incoming signal


Q.28)  Which power amplifier would be required to operate 4 speakers in a parallel connection if each speaker in the series was rated at 50 watts (continuous) @ 16 ohms?
A. 200 watts (continuous) @ 16 ohms
B. 800 watts (continuous) @ 4 ohms
C. 400 watts (continuous) @ 2 ohms
D. 650 watts (continuous) @ 8 ohms
E. 1000 watts (continuous) @ 4 ohms


Q.29)  The component parts of a loudspeaker are
A. damper, enclosure, crossover
B. transducer, monopole, crossover
C. transducer, enclosure, speaker cable
D. driver, box, speaker cable
E. driver (transducer), enclosure (cabinet/box), crossover


Q.30)  DIM100 is what?
A. a measurement of harmonic distortion
B. a measurement of transient distortion
C. a measurement of inter-modulation distortion
D. a measurement of damping factor
E. a measurement of resistance

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

Check out the short article by clicking the picture below and then answer the following questions, look up the answers using google, wikipedia or your favorite search engine.

1. What year did Netflix begin?
a. 1996
b. 1998
c. 2000
d. 2001
2. Netflix was founded by:
a. Oliver Reed
b. Robert Reed
c. Reed Hastings
d. Reed Walters
3. Netflix is delivered via:
a. United Parcel Service
b. Federal Express
c. United Postal Service
d. Airmail
4. Netflix is located in what Californian city?
a. Santa Monica
b. Los Angeles
c. Venice
d. Los Gatos
5. Netflix movies are due back in:
a. 3 days
b. 5 days
c. 1 week
d. There is no due date
6. What business was involved in a lawsuit with Netflix in 2006?
a. Blockbuster
b. Turner Broadcasting
c. Miramax Studios
d. Public Broadcasting
7. What term was used in the lawsuit brought against Netflix by Frank Chavez?
a. Choking
b. Throttling
c. Revving
d. None of the above
8. The case of Chavez v Netflix was tried in what city?
a. New York
b. Chicago
c. San Francisco
d. Boston
9. What is the price per title when renting movies through Netflix?
a. $.25
b. $.50
c. $1.00
d. There is no additional charge
10. There are no shipping and handling fees for Netflix movies.
a. True
b. False
11. Netflix offers many movies that are difficult to find in a regular video store.
a. True
b. False
12.  How many discs does netflix mail daily?
a. 20,000
b. 50,000
c. 170,000
d. 190,000

Click the image below, read the interview and answer the questions below.

1) Who is the artist of the Cultivating Minds art?

2) How old is she?

3) Where did the artist grow up?

4) How did the artist think of the art instillation?

5) What does the Cultivating Minds art instillation represent to the artist?

November 2012
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