SHS 375 EXAM QUESTIONS WITH All CORRECT ANSWERS UPDATED
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Course
SHS 375
Institution
SHS 375
SHS 375 EXAM QUESTIONS WITH All CORRECT ANSWERS UPDATED
It is much harder to guess the gender of 100 year old person based on his/her speech than a 40 year old person - Answer- true
T/F it is much harder to guess the gender of a 100 year old person based on his/her speech than a 40 year old ...
SHS 375 EXAM QUESTIONS WITH All
CORRECT ANSWERS UPDATED
2024-2025
It is much harder to guess the gender of 100 year old person based on his/her speech
than a 40 year old person - Answer- true
T/F it is much harder to guess the gender of a 100 year old person based on his/her
speech than a 40 year old person - Answer- true
the shape of the laryngeal waveform determines () of the sound - Answer- -timbre
-a 'jagged' waveform (large skewing quotient or small open quotient) represents sudden
changes in airflow (more high frequencies and brassy/pressed timbre)
-a smoother curve (higher open quotient and lower skewing quotient) represents
gradual changes in airflow (a more fluty sound)
breathy voice - Answer- vocal folds are not fully adducted
-can be caused by vocal folds neoplasms (nodules)
-combination of normal voice + aperiodic noise
pressed voice - Answer- vocal folds are tightly adducted (high force)
-results in lower open phase and a lower spectral slope (more high frequency contents)
hoarseness-roughness - Answer- vibration irregularities, typically due to pathology
vocal fry - Answer- very low frequency phonation with somewhat chaotic vocal folds
movement
spectral slope - Answer- how rapidly the amplitudes of successive harmonics decrease
one end closed tube: all waves with resonance frequencies are occurring () and they
are superimposed in the tube - Answer- at the same time
equation for one end closed tube - Answer- fr=(2n-1) x c/4l
source spectrum - Answer- vocal folds can change characteristics of the source signal
such as F0, harmonics, spectral slope
, filter function - Answer- movements of articulators can change characteristics of the
filter function such as the location of resonant frequencies
output spectrum - Answer- characteristics of speech is shaped by characteristics of the
source signal and the filter (vocal folds and articulators)
the amplitude of the damped vocal tract resonance - Answer- decays over time
T/F tubes do not have uniform cross sectional area - Answer- true
perturbation theory - Answer- max pressure= max frequency
max velocity= minimum frequency
T/F there are no unique relationships between articulatory configuration and resonant
frequencies (formant frequencies). However these rules help us to guess (with some
degree of accuracy) the articulatory configurations - Answer- true
narrowband - Answer- higher resolution in the frequency domain (highlights harmonic
structure)
wideband - Answer- higher resolution in the time domain (highlights overall shape of
amplitude spectrum- amplitude spectrum)
theoretical spectrum is estimated based on () - Answer- modeling the vocal tract with a
tube
output spectrum is calculated () - Answer- directly based on the speech output
formant frequencies are based on - Answer- the spectral envelope of the speech output
linear predictive coding (LPC) is used... - Answer- to find the spectral envelope and thus
to find formants
T/F harmonics and formants are not necessarily aligned - Answer- T
its easier (more accurate) to find formant frequencies of males than females or children
- Answer- b/c more space between formants
how does increase in bandwidth of formants affect the acoustic categorization and
perception of vowel sounds? - Answer- -does not change category (identity of vowels)
-it muffles the vowel quality (less sharply tuned)
-more damping in time domain (weak sounds)
-less intelligible
F1 is closely correlated with - Answer- 1. the area of the lower portion of the pharyngeal
cavity
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