Audio final (with mid term exam)

Question 1

The majority of audio recording is now digital, using hard drives or solid state drives for storage. Analog format in wide use for audio recording immediately before this was.

a) Wax cyclinder
b) Tape
c) Gramaphone disc
d) compact disc

Answer 1

b) Tape

Question 2

Commercial audio was in a mono format until the stereo format overtook it in which decade?

a) 1930s
b) 1950s
c)1970s
d) 1980s

Answer 2

c) 1970s

Question 3

Which frequency is higher? 1,000Hz or 1 kHz

a) 1,000 Hz
b) 1 kHz
c) They are the same

Answer 3

c) They are the same

Question 4

Amplitude is measured in

a) Plosives
b) Hertz
c) Decibles
d) Sample rate

Answer 4

c) Decibles

Question 5

The dbSPL level now recognized as the “threshold of pain” causing immediate hearing damage is?

a) +18
b) 100
c) 140
d) 256

Answer 5

c) 140

Question 6

The dbSPL level of someone speaking face to face is around

a) -18
b) 100
c) 70
d) 29

Answer 6

c) 70

Question 7

A nominal recording level on video cameras and audio recorders using DBFS metering scale should be peaking at approximately?

a) 0
b) -12
c) +12
d) -60

Answer 7

b) -12

Question 8

The meter scale for most digital audio metering has a maximum of __ dBFS?

a) -12
b) -3
c) 0
d) 100

Answer 8

c) 0

Question 9

Balanced audio connections are better than balanced because they reduce the amount of?

a) electro-magnetic interference
b) p - pops
c) clipping
d) phase distortion

Answer 9

a) Electro-magnetic interference

Question 10

A high pass filter set a 500 HZ will
a) Boost frequencies above 500hz
b) Boost frequencies below 500hz
c) cut frequencies below 500hz

Answer 10

c) cut frequencies below 500hz

Question 11

Timbre refers to

a) Amplitude
b) Sustain
c) Pitch
d) Tonal quality

Answer 11

d) Tonal quality

Question 12

When two identical sound waves are exactly 180 degrees out of phase, what will the result be

a) twice the frequency of the original sound
b) twice the amplitude of both waves
c) Both waves cancelled out
d) a slight decrease in amplitude

Answer 12

c) Both waves cancelled out

Question 13

If a sound reflection is delayed 35 milliseconds or more it will be perceived as?

a) Reverberation
b) Echo

Answer 13

b) Echo

Question 14

Clip gain in pro tools Is used to

a) increase the amplitude of the clip
b) decrease the amplitude of the clip
c) both a and b
d neither a and b

Answer 14

c) both a and b

Question 15

In pro tools volume graphing is done with?

a) slip mode
b) shuffle mode
c) clip gain
d) track volume view

Answer 15

d) track volume view

Question 16

The magnetic tape recorder released in the 1970 that became widely used in the film industry was?

a) Dictaphone
b) Magnetophon
c) Tascam DAT
d) Nagra IV

Answer 16

d) Nagra IV

Question 17

Hertz is the measurement of ____ per _____

Answer 17

cycles per second

Question 18

The preferred settings in the project course are
Same rate of:
Bit rate of:

Answer 18

Sample rate: 48k
Bit rate: 24

Question 19

The frequencies humans can hear from is?

Answer 19

20 Hz to 20 kHz

Question 20

the four stages of sound envelope are?

Answer 20

attack, decay, sustain, and release