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