AET Final (questions with verified
answers) already passed
Sound begins as a _____, travels through an elastic __________, and loses ___________ over
time. - correct answer ✔✔vibration/medium/energy
a "sound wave" is made up of a series of.... - correct answer ✔✔compressions and rarefactions
as well as increased and decreased air pressure.
How we perceive frequency - correct answer ✔✔pitch
"threshold of hearing" is defined as... - correct answer ✔✔0dB-SPL
higher frequencies are ________ in length - correct answer ✔✔shorter
The "texture", color, or quality of a sound is... - correct answer ✔✔timbre
How we perceive loudness is called... - correct answer ✔✔loudness
The graphic representation of a sound wave's patterns, usually shown as amplitude and time is
called a... - correct answer ✔✔waveform
Bandwidth of human hearing - correct answer ✔✔20 Hz to 20,000 Hz
When sound waves mostly coincide in their cycles, this "interference" is said to be... - correct
answer ✔✔constructive
, When played by a skilled musician, a bowed violin sound has the same waveform envelope as a
plucked violin sound (T or F?) - correct answer ✔✔False
The lowest frequency found in a complex tone, like a note played on a piano, is called the... -
correct answer ✔✔fundamental
The ratio unit we use for the measurement of amplitude - correct answer ✔✔dB
One octave above 125 Hz is... - correct answer ✔✔250 Hz
The organ where 'sound' becomes 'electricity' in the human head is called... - correct answer
✔✔the cochlea
__________ is the danger signal that the ears may have suffered PTS, or permanent threshold
shift, identified by ringing, whistling, or buzzing in the ears even though no loud sounds are
present. - correct answer ✔✔tinnitus
The sensitivity of our hearing in relation to frequency is illustrated in the: - correct answer
✔✔equal-loudness principle
Generally, human hearing is the most sensitive to the band of frequencies between: - correct
answer ✔✔2000-5000Hz
When sound waves propagate throughout a room, they will be _________ when they contact
softer/less dense surfaces, and _______ when they contact harder/more dense surfaces. -
correct answer ✔✔absorbed; reflected
Sound can pass through or around physical barriers, called: - correct answer ✔✔diffraction
answers) already passed
Sound begins as a _____, travels through an elastic __________, and loses ___________ over
time. - correct answer ✔✔vibration/medium/energy
a "sound wave" is made up of a series of.... - correct answer ✔✔compressions and rarefactions
as well as increased and decreased air pressure.
How we perceive frequency - correct answer ✔✔pitch
"threshold of hearing" is defined as... - correct answer ✔✔0dB-SPL
higher frequencies are ________ in length - correct answer ✔✔shorter
The "texture", color, or quality of a sound is... - correct answer ✔✔timbre
How we perceive loudness is called... - correct answer ✔✔loudness
The graphic representation of a sound wave's patterns, usually shown as amplitude and time is
called a... - correct answer ✔✔waveform
Bandwidth of human hearing - correct answer ✔✔20 Hz to 20,000 Hz
When sound waves mostly coincide in their cycles, this "interference" is said to be... - correct
answer ✔✔constructive
, When played by a skilled musician, a bowed violin sound has the same waveform envelope as a
plucked violin sound (T or F?) - correct answer ✔✔False
The lowest frequency found in a complex tone, like a note played on a piano, is called the... -
correct answer ✔✔fundamental
The ratio unit we use for the measurement of amplitude - correct answer ✔✔dB
One octave above 125 Hz is... - correct answer ✔✔250 Hz
The organ where 'sound' becomes 'electricity' in the human head is called... - correct answer
✔✔the cochlea
__________ is the danger signal that the ears may have suffered PTS, or permanent threshold
shift, identified by ringing, whistling, or buzzing in the ears even though no loud sounds are
present. - correct answer ✔✔tinnitus
The sensitivity of our hearing in relation to frequency is illustrated in the: - correct answer
✔✔equal-loudness principle
Generally, human hearing is the most sensitive to the band of frequencies between: - correct
answer ✔✔2000-5000Hz
When sound waves propagate throughout a room, they will be _________ when they contact
softer/less dense surfaces, and _______ when they contact harder/more dense surfaces. -
correct answer ✔✔absorbed; reflected
Sound can pass through or around physical barriers, called: - correct answer ✔✔diffraction
