COMD 5070 Exam 1 2025 Questions and
Answers
empirical, deterministic, predictive, parsimonious - --Answer --4 features of
the scientific method.
empirical - --Answer --Based on data.
deterministic - --Answer --Obeys physical laws.
predictive - --Answer --If you do this... then that will happen.
parsimonious - --Answer --Use the simplest explanation possible.
overcome listener bias, describe severity objectively, track progress over time,
ASHA's focus on evidence based practice, provide biofeedback to the client - --
Answer --Why use technology?
frequency - --Answer --How frequently a waveform repeats itself
Hertz (Hz) - --Answer --Cycles per second
pure tone - --Answer --Simplest sound
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,high and low frequency - --Answer --
pitch perception - --Answer --Linked to frequency
Order on a musical scale, Subjective perception
Cannot be measured with instruments
Listener matches perceived ______ to that of a pure tone of known frequency
frequency difference limens (DL) - --Answer --Smallest detectable change in
frequency. True for comfortable listening level.
increase - --Answer --Difference Limens _____________ with stimulus
frequency.
higher - --Answer --___________ frequency sounds must differ more to be
heard as different in pitch.
larger - --Answer --As intensity decreases, difference limens become
__________.
missing fundamental - --Answer --Listen to a harmonic series
Actual ___________________ can be absent
Timbre or quality is different
Pitch still perceived as the same
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, Brain processes harmonic structure
Fills in the gap by calculation/interpolation
cheap audio equipment - simulated bass
Some listeners are harder to fool
12 - --Answer --________ semitones in one octave
semitone - --Answer --Each __________ is a nonlinear step
Each step upward is bigger than the last (about 5.9% higher frequency than the
one before it).
equal - --Answer --No two semitones are physically identical (Hz) but
semitones sound ___________ in step size.
intensity - --Answer --Amplitude or "size" of a sound.
Logarithmic scale
Intensity level (IL)
Sound pressure level (SPL)
volume - --Answer --Lay term of intensity
decibels (dB) - --Answer --Intensity is measured in ____________.
sound level meter - --Answer --Intensity is measured with a ___________.
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 3
Answers
empirical, deterministic, predictive, parsimonious - --Answer --4 features of
the scientific method.
empirical - --Answer --Based on data.
deterministic - --Answer --Obeys physical laws.
predictive - --Answer --If you do this... then that will happen.
parsimonious - --Answer --Use the simplest explanation possible.
overcome listener bias, describe severity objectively, track progress over time,
ASHA's focus on evidence based practice, provide biofeedback to the client - --
Answer --Why use technology?
frequency - --Answer --How frequently a waveform repeats itself
Hertz (Hz) - --Answer --Cycles per second
pure tone - --Answer --Simplest sound
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
,high and low frequency - --Answer --
pitch perception - --Answer --Linked to frequency
Order on a musical scale, Subjective perception
Cannot be measured with instruments
Listener matches perceived ______ to that of a pure tone of known frequency
frequency difference limens (DL) - --Answer --Smallest detectable change in
frequency. True for comfortable listening level.
increase - --Answer --Difference Limens _____________ with stimulus
frequency.
higher - --Answer --___________ frequency sounds must differ more to be
heard as different in pitch.
larger - --Answer --As intensity decreases, difference limens become
__________.
missing fundamental - --Answer --Listen to a harmonic series
Actual ___________________ can be absent
Timbre or quality is different
Pitch still perceived as the same
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
, Brain processes harmonic structure
Fills in the gap by calculation/interpolation
cheap audio equipment - simulated bass
Some listeners are harder to fool
12 - --Answer --________ semitones in one octave
semitone - --Answer --Each __________ is a nonlinear step
Each step upward is bigger than the last (about 5.9% higher frequency than the
one before it).
equal - --Answer --No two semitones are physically identical (Hz) but
semitones sound ___________ in step size.
intensity - --Answer --Amplitude or "size" of a sound.
Logarithmic scale
Intensity level (IL)
Sound pressure level (SPL)
volume - --Answer --Lay term of intensity
decibels (dB) - --Answer --Intensity is measured in ____________.
sound level meter - --Answer --Intensity is measured with a ___________.
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 3
