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