Question 1

What information about a sound is displayed in a spectrogram?

Accepted Answer

A)   Fourier synthesis
B)   Magnitude and phase spectra
C)   Time-varying magnitude spectrum
D)   Time-varying phase spectrum

Question 2

Which term describes the characteristic of musical notes that allows us to hear a melody?

Accepted Answer

A)   frequency
B)   amplitude
C)   phase
D)   decibel
E)   pressure

Question 3

Where is the place of maximum displacement on the basilar membrane?

Accepted Answer

A)   Near the base for low frequencies
B)   Near the apex for low frequencies
C)   Near the middle for low frequencies
D)   Near the middle for high frequencies B

Question 4

How long does it take for sounds originating directly opposite one ear to arrive at the other ear?

Accepted Answer

A)   70 microseconds
B)   70 milliseconds
C)   100 microseconds
D)   700 microseconds

Question 5

Transduction by cochlear hair cells can occur within a period as short as:

Accepted Answer

A)   10 nanoseconds
B)   10 microseconds
C)   10 milliseconds
D)   1/10 of a second

Question 6

Which one of the following does not provide a cue for the localization of sound sources?

Accepted Answer

A)   Two-tone suppression
B)   The filtering effect of the pinna
C)   Inter-aural time differences
D)   Inter-aural level differences

Question 7

Sound frequency relates to our perception of its

Accepted Answer

A)   Onset
B)   Pitch
C)   Loudness
D)   Direction

Question 8

Which statement is not true of auditory association cortex?

Accepted Answer

A)   The distinction between 'what' and 'where' pathways is preserved
B)   It is densely interconnected to primary auditory cortex
C)   Cells respond better to pure tones than to narrowband noise
D)   It forms a belt surrounding primary auditory cortex

Question 9

Impedance matching mediates between

Accepted Answer

A)   The oval window and cochlear receptors
B)   The pinna and the tympanic membrane
C)   The tympanic membrane and the oval window
D)   The cochea and the vestibular apparatus

Question 10

Which sound pressure level in decibels (dB)  is likely to cause pain and hearing loss

Accepted Answer

A)   6 dB
B)   14 dB
C)   60 dB
D)   140 dB

Question 11

Inter-aural level differences (ILDs)  are only available for

Accepted Answer

A)   Sound frequencies below 2kHz
B)   Sound frequencies above 20kHz
C)   Sound frequencies above 2kHz
D)   Sound frequencies below 1kHz

Question 12

The descending auditory pathway reaches as far as

Accepted Answer

A)   Medial geniculate nuclei
B)   Superior olives
C)   Cochlear nuclei
D)   Cochleas D

Question 13

The structure through which all ascending projections in the auditory system pass immediately before they reach primary auditory cortex is the

Accepted Answer

A)   Medial geniculate nucleus
B)   Lateral geniculate nucleus
C)   Superior olive
D)   Cochlear nucleus

Question 14

Which one of the following statements is not correct?

Accepted Answer

A)   Sound pressure waves travel through the air at a constant speed of about 33 metres per second
B)   Sound consists of pressure waves carried by vibrating air molecules
C)   Parts of the sound wave where air pressure is increased are called compressions
D)   Parts of the sound wave where air pressure is decreased are called rarefactions A

Question 15

In humans, what effects do the shape and size of the pinna, concha and ear canal have on hearing?

Accepted Answer

A)   Amplify frequencies above 7kHz
B)   Amplify frequencies below 1.5kHz
C)   Amplify frequencies between 1.5 and 7kHz
D)   Attenuate frequencies between 1.5 and 7 kHz

Question 16

What procedure reveals the sine wave components in a complex sound

Accepted Answer

A)   Fourier synthesis
B)   Filtering
C)   Fourier analysis
D)   Sound pressure level analysis

Question 17

Which statement is not true of linear acoustic filters

Accepted Answer

A)   A pure tone input produces a pure tone output
B)   If the input sound amplitude doubles, the output amplitude doubles
C)   Different input signals combine additively
D)   The output can contain more frequency components than the input

Question 18

The firing of hair cells in synchrony with the variation of the pressure of the input sound is known as

Accepted Answer

A)   Phase locking
B)   Frequency coding
C)   Place coding
D)   Filtering

Question 19

Which one of the following statements about Fourier analysis is correct

Accepted Answer

A)   Fourier analysis can only be applied to periodic sensory stimuli
B)   Fourier components sum together to recreate the original signal
C)   Fourier components must be combined nonlinearly
D)   Fourier analysis adds distortions to signals

Exam 4: The Physics and Biology of Audition

What information about a sound is displayed in a spectrogram?

Correct Answer
verified

Which term describes the characteristic of musical notes that allows us to hear a melody?

Correct Answer
verified

Where is the place of maximum displacement on the basilar membrane?

Correct Answer
verified
B

How long does it take for sounds originating directly opposite one ear to arrive at the other ear?

Correct Answer
verified

Transduction by cochlear hair cells can occur within a period as short as:

Correct Answer
verified

Which one of the following does not provide a cue for the localization of sound sources?

Correct Answer
verified

Sound frequency relates to our perception of its

Correct Answer
verified

Which statement is not true of auditory association cortex?

Correct Answer
verified

Impedance matching mediates between

Correct Answer
verified

Which sound pressure level in decibels (dB) is likely to cause pain and hearing loss

Correct Answer
verified

Inter-aural level differences (ILDs) are only available for

Correct Answer
verified

The descending auditory pathway reaches as far as

Correct Answer
verified
D

The structure through which all ascending projections in the auditory system pass immediately before they reach primary auditory cortex is the

Correct Answer
verified

Which one of the following statements is not correct?

Correct Answer
verified
A

In humans, what effects do the shape and size of the pinna, concha and ear canal have on hearing?

Correct Answer
verified

What procedure reveals the sine wave components in a complex sound

Correct Answer
verified

Which statement is not true of linear acoustic filters

Correct Answer
verified

The firing of hair cells in synchrony with the variation of the pressure of the input sound is known as

Correct Answer
verified

Which one of the following statements about Fourier analysis is correct

Correct Answer
verified

Exam 4: The Physics and Biology of Audition

What information about a sound is displayed in a spectrogram?

Correct AnswerverifiedShow Answer

Which term describes the characteristic of musical notes that allows us to hear a melody?

Correct AnswerverifiedShow Answer

Where is the place of maximum displacement on the basilar membrane?

Correct AnswerverifiedB

How long does it take for sounds originating directly opposite one ear to arrive at the other ear?

Correct AnswerverifiedShow Answer

Transduction by cochlear hair cells can occur within a period as short as:

Correct AnswerverifiedShow Answer

Which one of the following does not provide a cue for the localization of sound sources?

Correct AnswerverifiedShow Answer

Sound frequency relates to our perception of its

Correct AnswerverifiedShow Answer

Which statement is not true of auditory association cortex?

Correct AnswerverifiedShow Answer

Impedance matching mediates between

Correct AnswerverifiedShow Answer

Which sound pressure level in decibels (dB) is likely to cause pain and hearing loss

Correct AnswerverifiedShow Answer

Inter-aural level differences (ILDs) are only available for

Correct AnswerverifiedShow Answer

The descending auditory pathway reaches as far as

Correct AnswerverifiedD

The structure through which all ascending projections in the auditory system pass immediately before they reach primary auditory cortex is the

Correct AnswerverifiedShow Answer

Which one of the following statements is not correct?

Correct AnswerverifiedA

In humans, what effects do the shape and size of the pinna, concha and ear canal have on hearing?

Correct AnswerverifiedShow Answer

What procedure reveals the sine wave components in a complex sound

Correct AnswerverifiedShow Answer

Which statement is not true of linear acoustic filters

Correct AnswerverifiedShow Answer

The firing of hair cells in synchrony with the variation of the pressure of the input sound is known as

Correct AnswerverifiedShow Answer

Which one of the following statements about Fourier analysis is correct

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
D

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified