COMD 5070 Exam 1 (Latest 2024 / 2025 Update) Acoustics of Speech and Hearing | Questions and Verified Answers | 100% Correct | Grade A - Utah
Question:
What is the difference between pitch perception and frequency measurement?
Answer:
pitch is subjective to the listener frequency is objective and can be measured
Question:
How do waveforms differ as frequency goes up or down?
Answer:
higher frequency wavelengths appear closer together with more frequency over a period of time than lower frequencies
high frequencies = lots of waveforms low frequencies = few waveforms 1 / 3
Question:
What is the difference between loudness perception and intensity measurement?
Answer:
Loudness is subjective and cannot be measured Intensity is objective and can be measured by equipment
Question:
What are the units of measurement for intensity?
Answer:
HL SPL
Question:
What is difference limens?
Answer:
the smallest detectable change (DL)
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Question:
What is the difference limens for frequency?pitch?sound/loudness?
Answer:
DLs become larger as the frequency decreases Dls larger for pitch Dls larger for softer sounds
Question:
What is the difference limens for intensity?
Answer:
DLs become larger as the intensity decreases
Question:
How does a complex periodic sound change when the fundamental is removed or muted?
Answer:
when removed, the timbre (quality) differs, but the pitch is perceived as the same
the brain fills in the gap
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