COMD 5070 final prep Study Guide
As sound travels through air, it does so as a - Answer️️ -longitudinal pressure wave
The period of a sine wave - Answer️️ -is shorter for higher frequency sounds
Pressure can de defined as - Answer️️ -force divided by area
Intensity can be defined as...
COMD 5070 final prep Study Guide
As sound travels through air, it does so as a - Answer✔️✔️-longitudinal pressure wave
The period of a sine wave - Answer✔️✔️-is shorter for higher frequency sounds
Pressure can de defined as - Answer✔️✔️-force divided by area
Intensity can be defined as - Answer✔️✔️-power per unit area
The inverse square law means that - Answer✔️✔️-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? - Answer✔️✔️-53 dB
We can typically perceive smaller differences in the pitch of two sounds if they are -
Answer✔️✔️-two lower frequencies
The human voice as a complex tone is best described as - Answer✔️✔️-nearly periodic
A power spectrum is a type of - Answer✔️✔️-frequency domain plot
Resonance occurs when - Answer✔️✔️-the applied force is at a frequency that matches
the natural frequency of an object
which of the following is an analog signal? - Answer✔️✔️-speech sounds in air
musical tones in air
displacement of the middle ear bones
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