Sound-Medium Interface Flashcards
Geometric spreading of a sound wave is independent of frequency (T or F)
True
The movement of sound waves through a medium is ________, whereas the transfer of energy from the source to the medium is termed ________
Sound propagation, Acoustic radiation
The speed of sound in a medium ________ as temperature decreases
decreases
The speed of sound in air is approximately ________
1130 ft/sec or 344 m/sec
The speed of sound is ________ in both water and steel than in air
faster
A resonance curve show maximum energy transfer at ________
specific frequencies
A flat response transmits all frequencies ________
equally
When the frequency of a stimulus approaches a resonant frequency of an instrument or circuit, the gain of the system will be ________
At a maximum
Coupling a vibrating object to a larger resonator sounds louder because ________
the resistance to transfer of the energy is lowered with a larger surface area
The frequency response of the auditory system for different intensities is measured and shown as the ________
equal loudness contours
Differential threshold for frequency is also the ________
jnd for frequency
is an amplifier a transducer?
no
sound vibrations passing through all of the bones of the body and reach the inner ear is called ________
bone conduction
In radio transmission, the electromagnetic ___________ is modulated by a _________ in the audio range.
carrier wave, program signal
The maximum bandwidth and hence the highest frequency that can be represented by digital audio with a sample rate of SR is ___________
1/2 the sampling rate
