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Survey of Audio Engineering Final AET 1380 Questions with Correct Answers
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Survey of Audio Engineering Final AET 1380 Questions with Correct Answers
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Survey of Audio Engineering Final AET 1380Questions with Correct Answers
parts of a sound wave Correct Answer-compression and rarefaction
speed of sound Correct Answer-1130 fps
unit of measurement for frequency Correct Answer-Hertz (Hz)
what is an octave? Correct Answer-doubling of frequency
what is timbre? Correct Answer-tonal quality of the sound (determined
by the ASDR envelope, overtones, and harmonics)
what is the lowest frequency in a complex tone? Correct Answer-the
fundamental
unit of measurement for amplitude Correct Answer-decibels (dB)
what are the structures of the ear? Correct Answer-(from outer to inner)
pinna, ear canal, ear drum, ossicles, cochlea
what is the threshold of hearing? Correct Answer-0 dB
what is the threshold of feeling? Correct Answer-120 dB
, what is the threshold of pain? Correct Answer-140 dB
how do we hear longer wavelengths? Correct Answer-as lower in pitch
how do we hear shorter wavelengths? Correct Answer-as higher in pitch
what is phase? Correct Answer-the time relationship between sounds
what happens if something is out of phase? Correct Answer-it can have
either destructive or constructive effects
what happens if two sounds are 180 degrees out of phase? Correct
Answer-they cancel out
what is absorption of sound? Correct Answer-where sound doesn't
bounce off the surface it hits
what is diffusion of sound? Correct Answer-scattering of sound in all
directions on reflection from a surface
what is diffraction of sound? Correct Answer-spreads around barriers
reflections that are heard less than 30 ms apart are perceived as one
sound. this is called... Correct Answer-temporal fusion (reverberation)
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