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Exam (elaborations)

COMD 5070 final prep Questions and Correct Answers | Latest Update

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  • Course
  • COMD 5070
  • Institution
  • COMD 5070

As sound travels through air, it does so as a  longitudinal pressure wave The period of a sine wave  is shorter for higher frequency sounds Pressure can de defined as  force divided by area Intensity can be defined as  power per unit area The inverse square law means that  i...

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  • October 4, 2024
  • 13
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • COMD 5070
  • COMD 5070
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Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025


COMD 5070 final prep Questions and
Correct Answers | Latest Update
As sound travels through air, it does so as a


 longitudinal pressure wave




The period of a sine wave


 is shorter for higher frequency sounds




Pressure can de defined as


 force divided by area




Intensity can be defined as


 power per unit area




The inverse square law means that


 intensity decreases by a factor equal to the square of the change in

distance




Based on the equal loudness curves figure (2-18, p33), a 100 Hz tone would need to be

approximately how many dB in intensity to sound equally loud to a 1000 Hz tone at 40 dB?


~ 1 ~ for inquiry mail me @ supergrades12@gmail.com

, Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025

 53 dB




We can typically perceive smaller differences in the pitch of two sounds if they are


 two lower frequencies




The human voice as a complex tone is best described as


 nearly periodic




A power spectrum is a type of


 frequency domain plot




Resonance occurs when


 the applied force is at a frequency that matches the natural frequency of

an object




which of the following is an analog signal?


 speech sounds in air

musical tones in air


displacement of the middle ear bones




~ 1 ~ for inquiry mail me @ supergrades12@gmail.com

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