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