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Speech and Voice Science COMD 5070 Unit 1 Exam with Complete Solutions
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Speech and Voice Science COMD 5070 Unit 1 Exam with Complete Solutions
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Speech and Voice Science COMD 5070Unit 1 Exam with Complete Solutions
_______ is a measure of amplitude. - ANSWER-Intensity
A _______ converts electrical energy into acoustic energy. - ANSWER-transducer
A change in movement of the articulators causes a change in the sound's: - ANSWER-
filter
A disordered voice indicates: - ANSWER-disordered vocal fold movement
A Fixed Band Pass filter looks at: - ANSWER-a series of band pass filters, one at a time
A higher sampling rate gives better: - ANSWER-fidelity
Acoustic analysis doesn't reflect the movements that caused the sound in a
____________________ way. - ANSWER-linear
Acoustic power is measured in _______. - ANSWER-watts and describes how energy is
radiated
Acoustic power represents: - ANSWER-the amount of energy transfer in a given amount
of time
Be sure not to clip the signal by: - ANSWER-bringing it in at too high a level
Changes in vocal fold movement cause a change in the sound's: - ANSWER-source
Distorted or imprecise articulation indicates: - ANSWER-abnormal movement of the
articulators
Driving the signal too hard can cause ______________ which causes _____________.
- ANSWER-clipping, noise
From looking at a spectrogram, you can get a _____________ idea of what's going on
in the voice -kind of like looking at an ______________. - ANSWER-qualitative, X-ray
Going from a CD to the speakers is an example of ______________ conversion. -
ANSWER-digital to analog (DAC)
Going from a microphone to a computer is an example of ____________________
conversion. - ANSWER-analog to digital (ADC)
, How can make your recording environment more quiet? - ANSWER-Reduce
reverberation & echoing from hard surfaces in the room
If the original sample contains many rapid changes, your sample rate must be
________ in order to capture those changes. - ANSWER-higher
If the signal is too tiny, it won't be audible over: - ANSWER-background noise
If the strength of the signal coming in is bigger than your recording device can
accommodate, the signal will be: - ANSWER-badly distorted
If you want to understand the impact of having hearing loss in a certain range, you could
filter out _______________ _______________ in a sample of normal speech. -
ANSWER-certain frequencies
In a ____________________ filter , you would be deleting a number of frequencies that
would be important for speech perception. - ANSWER-wide band
Microphones and speakers are ____________ devices. - ANSWER-analog
Name 2 benfits of acoustic analysis: - ANSWER-1. it's noninvasive
2. from the changes in the signal we can draw inferences about the movements that
generated the sound
Nyquist frequency - ANSWER-half the sample rate
On a digital recording device, the highest quality setting gives you the ____________
amount of time to record. - ANSWER-shortest
PC sound cards belong to which type of conversion ? - ANSWER-both ADC and DAC
Root Mean Square (RMS) represents: - ANSWER-the amplitude of a signal
Sound is an _______________ function. - ANSWER-analog
The ______ _______ law has important implications for measuring SOUND
PRESSURE LEVEL IN DECIBELS because the distance of our measuring device from
the speaker makes and enormous difference. - ANSWER-inverse square
The ____________ spectrum reveals features of the vocal tract transfer function. -
ANSWER-LPC
The acoustic patterns reflect the vocal tract movements with some ambiguity, because
of : - ANSWER-motor equivalence (several ways to make acoustically similar speech
sounds)
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