Psychoacoustics Quizzes 1-3
Psychoacoustics is a branch of science that deals with - >>>>physical properties of sounds and
its link to its percept
The two physical properties that are essential for source and medium a
...
Psychoacoustics Quizzes 1-3
Psychoacoustics is a branch of science that deals with - >>>>physical properties of sounds and
its link to its percept
The two physical properties that are essential for source and medium are - >>>>Mass and
elasticity
The ability to resolve the sinusoidal components in a complex sound is referred to as -
>>>>Fourier Analysis
A two dimensional plot of change in some variable as a function of time is - >>>>Waveform
What is Fu in a filter curve - >>>>Frequency above Fc for which amplitude of response if 3dB
less than response at Fc
Hughson and Westlake procedure is a - >>>>Modified method of limits
What is Fl in a filter curve? - >>>>Frequency below Fc for which amplitude of response if 3dB
less than response at Fc
Obtaining "threshold" means: - >>>>Obtaining the limits of auditory sensitivity
Which one of the psychoacoustical measurement procedures does this figure demonstrate? -
>>>>Method of limits
The ability to resolve the sinusoidal components in a complex sound - >>>>Fourier Analysis
Based on SDT if a signal is present and a person correctly identifies the signal - >>>>hit
the signal is absent and a person says the signal is present - >>>>false alarm
Scaling techniques are used - >>>>To measure suprathreshold differences amongst stimuli
In an adaptive procedure, the stimuli level of a trial is dependent on - >>>>The response to the
previous trial
Criterion is defined as - >>>>The willingness of the person to say signal present
Change is percept of a sound can be studied by changing the ______ attributes of the sound -
>>>>physical
Psychometirc function the stimulus level is plotted on - >>>>x axis
Psychometirc function the % correct is plotted on - >>>>y axis
SDT, the tendency for a person to say "yes" depends on - >>>>Cost and reward
The 2 models explaining the effect of signal duration on the threshold are - >>>>Information
integration model & Energy integration model
Shift in sensitivity as a result of long duration stimulation within normal intensity range -
>>>>Adaptation
Fatigue is typically measured by - >>>>determining the degree of TTS
____________ at low levels are easily susceptible to fatigue - >>>>High frequency tones
A tone with a loudness of a 4 Sones is 4 times as loud as a tone with a loudness of _____ -
>>>>1 Sone
TTS is greatest at a _______ above the frequency of the sound producing fatigue - >>>>half
octave
Loudness recruitment is defined _________ of loudness at threshold. - >>>>normal growth
a unit of loudness level measurement - >>>>Phon
Abnormally great adaptation can occur in cases of _________ - >>>>retrocochlear lesions
Stevens developed 2 direct measures of loudness - >>>>Magnitude estimation and Magnitude
Production.
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