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Take a 21 question quiz to test and certify your knowledge of the tutorial-video course
AudioPedia 101 - Sound Waves & Hearing.
Get a mark of 80% or higher to pass this quiz!
1
The deciBel scale measures...
timbre
time
pitch
amplitude
2
Unity Gain means...
no change in amplitude between input & output
440 kHz
all tracks in a mix are at the same level
both left & right speakers are at the same level
3
A ringing in the ear caused by temporary or permanent hearing damage is...
a bell curve
the doorbell syndrome
tinnitus
the Megadeth syndrome
4
The three physical properties of sound are...
high, medium, & low pressure
loudness, pitch, & voltage
bass, mid and treble
amplitude, frequency, & waveshape
5
dBspl and dBu measure (respectively)...
acoustic sound pressure & voltage
voltage & current
power & voltage
voltage & power
6
20 kHz is...
2 thousand Hertz
2 Hz
2 million Hertz
20 thousand Hertz
7
In a waveform graph the vertical & horizontal axes represent...
timbre & amplitude
frequency & timbre
amplitude & time
amplitude & frequency
8
The (approximate) frequency limits of human hearing are...
100 Hz - 10 kHz
10 Hz to 10 kHz
0 Hz - 100 kHz
20 Hz - 20 kHz
9
The so-called Threshold of Pain for human hearing is approximately...
440 dBspl
180 dBspl
100 dBspl
120 dBspl
10
An acoustic sound wave consists of...
variations in air pressure
variations in current
variation in watt
variations in voltage
11
A graph of equal-loudness contours for human hearing is called...
Frequency-Waveform graph
Freddy-Mercury graph
Frequency-Modulation graph
Fletcher-Munson graph
12
An analog sound wave is...
a wavetable
a numerical sequence
a continuous wave
a stepped wave
13
The perceptual quality associated with the physical property of Waveshape is...
time
loudness
timbre
pitch
14
The perceptual quality associated with the physical property of Amplitude is...
time
pitch
loudness
timbre
15
A transient is...
the tail of a long reverb
the initial impact at the beginning of a note
a short recording session
the decaying portion of a note
16
The varying high & low pressure zones of a sound wave in the air are called...
pushes & pulls
tops & bottoms
compressions & rarefactions
17
A transient usually corresponds to...
the overall length of a note
the peak level of a note
the pitch of a note
the average level of a note
18
Clipping of an analog wave...
shortens the notes in a musical phrase
creates distortion harmonics
creates sub frequencies
is an inaudible change of the waveshape
19
Multiple simultaneous sine wave frequencies in a vibrating object are...
harmonies & octaves
harmonies & unisons
melodies and harmonies
harmonics & overtones
20
Headroom is...
the difference between dBu and dbV
the difference between average & peak level
the ceiling height inside an iso-booth
the space above your head
21
The perceptual quality associated with the physical property of Frequency is...
timbre
pitch
time
loudness
AudioPedia 101
Sound Waves & Hearing
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