Acoustics and sound - Study guides, Class notes & Summaries

COMD 5070 Exam 1 (Latest 2023/ 2024 Update) Acoustics of Speech and Hearing| Questions and Verified Answers| 100% Correct| Grade A Q: What is the difference between pitch perception and frequency measurement? Answer: pitch is subjective to the listener frequency is objective and can be measured Q: 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...

COMD 5070 Final Exam (Latest 2024 / 2025 Update) Acoustics of Speech and Hearing | Questions and Verified Answers | 100% Correct | Grade A - Utah Q: what is the Nyquist frequency? half the sample rate Q: if you want to go up one octave, you ______ the frequency. Answer: double Q: if you want to go down one octave, you ______ the frequency. Answer: halve Q: what does a high pass filter do? Answer: allows high frequencies through Q: what does a low pass filter do? Answer: allows low frequencies th...

COMD 5070 Exam 3 (Latest 2024 / 2025 Update) Acoustics of Speech and Hearing | Questions and Verified Answers | 100% Correct | Grade A - Utah Q: How to calculate frequency? If there is a period of 2ms (0.002 seconds)?- Answer: 1/0.002= 500 Hz. Q: What is a harmonic series? Answer: When multiple sine waves or pure tones are combines together. Q: What are integer multiples? Answer: The whole number multiples of whatever the fundamental frequency is. Q: What is the fundamental frequency? Answer: Th...

COMD 5070 Exam 1 (Latest 2024 / 2025 Update) Acoustics of Speech and Hearing | Questions and Verified Answers | 100% Correct | Grade A - Utah Q: What is the difference between pitch perception and frequency measurement? Answer: pitch is subjective to the listener frequency is objective and can be measured Q: 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 Q: What is ...

COMD 5070 Exam 3 (Latest 2023/ 2024 Update) Acoustics of Speech and Hearing| Questions and Verified Answers| 100% Correct| Grade A Q: How to calculate frequency? If there is a period of 2ms (0.002 seconds)?- Answer: 1/0.002= 500 Hz. Q: What is a harmonic series? Answer: When multiple sine waves or pure tones are combines together. Q: What are integer multiples? Answer: The whole number multiples of whatever the fundamental frequency is. Q: What is the fundame...

COMD 5070 Final Exam (Latest 2023/ 2024 Update) Acoustics of Speech and Hearing| Questions and Verified Answers| 100% Correct| Grade A Q: what is the Nyquist frequency? half the sample rate Q: if you want to go up one octave, you ______ the frequency. Answer: double Q: if you want to go down one octave, you ______ the frequency. Answer: halve Q: what does a high pass filter do? Answer: allows high frequencies through Q: what does a low pass filte...

PDD Final Exam Questions & Answers 2024/2025 Acoustics - ANSWERSdisturbance of molecules on an elastic medium Attenuation - ANSWERSReduction of sound Decibel (dB) / dBA - ANSWERS- Units of sound intensity. dBA is weighted to the human ear, while dB is logarithmic - 70 dB sounds 2x as loud as 60 dB; 10 dB difference 20 dB increase will sound 4x as loud 0 dB - ANSWERSno noise 30 dB - ANSWERSsoft music or rustling leaves 40 dB - ANSWERSquiet office 75 dB - ANSWERSvacuum clea...

COMD 5070 Exam 2 (Latest 2023/ 2024 Update) Acoustics of Speech and Hearing| Questions and Verified Answers| 100% Correct| Grade A Q: what is subglottal pressure? Answer: P⌄sub -pressure below the larynx -driving pressure for phonation Q: what are some direct ways to measure subglottal pressure? Answer: -tracheal puncture -esophageal pressure Q: how can you measure subglottal pressure? Answer: there are both direct (tracheal puncture and esophageal ball...

BUILDING UTILITIES COMPRE EXAM QUESTIONS WITH 100% CORRECT ANSWERS 2024 "Is a physical wave, a mechanical vibration, a series of pressure variations, in an elastic medium " - answerSound A healthy pair of human ear has a detection range of. - answer20 to 20000 HZ Sound travels in air, at sea level, in ____ m/sec. - answer344 m/ sec. "The number of times the cycle of compression and rarefaction of air makes in a given unit of time. " - answerFrequency "Is the persistence of sound a...

BUILDING UTILITIES COMPRE EXAM QUESTIONS WITH 100% CORRECT ANSWERS 2024 "Is a physical wave, a mechanical vibration, a series of pressure variations, in an elastic medium " - answerSound A healthy pair of human ear has a detection range of. - answer20 to 20000 HZ Sound travels in air, at sea level, in ____ m/sec. - answer344 m/ sec. "The number of times the cycle of compression and rarefaction of air makes in a given unit of time. " - answerFrequency "Is the persistence of sound a...