COMD 5070- EXAM 3 (FINAL) Latest Update 2024-2025 160 Questions and 100% Verified Correct Answers Graded A+
2 common causes of hypernasality - CORRECT ANSWER: VPI and poor timing of velar
movements
2 types of coarticulation - CORRECT ANSWER: anticipatory & retentive
2000-4000 is how many octaves - CORRECT ANSWER: 1
3 key elements of prosody - CORRECT ANSWER: -pitch
-loudness -duration
3D spectrogram features - CORRECT ANSWER: -shows frequency changes over time
and the changes in amplitude of those components whether they are strong or weak
4 features of the scientific method - CORRECT ANSWER: empirical
deterministic predictive parsimonious
500-1000 is how many octaves - CORRECT ANSWER: 1
a semitone is always ______ of an octave - CORRECT ANSWER: 1/12th
acoustic goal of theories of speech - CORRECT ANSWER: all that matters is the sound that comes out -pathway doesnt matter as long as it can be perceived
acoustic nasometry how does it work conceptually - CORRECT ANSWER: -2 mics on
either side of divider plate -shows oral nasal balance -connects to a screen that reveals in real time what the nasalence value is -for nasal sound you would get a lot from nose
across category change - CORRECT ANSWER: when you make changes near
phoneme boundaries, they are perceived as new phoneme. these both have to do with categorical perception
air flow equals - CORRECT ANSWER: volume velocity
aliasing - CORRECT ANSWER: -sampling too slow will inaccurately record
-filtering before digitizing will prevent this 1 / 2
-set to nyquist frequency
anticipatory - CORRECT ANSWER: -forward: anticipation of an upcoming sound -spoon p influenced by /u/ coming next
as you lower your jaw and tongue how is F1 impacted - CORRECT ANSWER:
frequency of F1 increases
auditory feedback adults - CORRECT ANSWER: important for quality control
auditory feedback children - CORRECT ANSWER: feedback essential for learning
auditory theories - CORRECT ANSWER: phonemes processed like non speech sounds
experienced listeners have template library incoming sound features compared to templates attempt to match these sound units of a language
averaging - CORRECT ANSWER: across many repetitions of the same behavior to
provide composite view of whats happening
back vowels - CORRECT ANSWER: low second formant
band pass - CORRECT ANSWER: allows a band of freq but holds back the higher and
lower
band reject - CORRECT ANSWER: holds back a band of freq and allows the lower and higher freq to pass
bottom up processing - CORRECT ANSWER: brain is finding phonemes that might be
candidates and as they are identified the message is pieced together into words and phrases
calculate avg air flow - CORRECT ANSWER: divide volume by time
categorical perception - CORRECT ANSWER: when VOT is short (10 ms), listeners
reliably hear one sound (b) as VOT increases (20-30), some people begin to hear (p) when VOT is 50, everyone perceives (p) -happens abruptly
clear speech - CORRECT ANSWER: longer segment duration, released stops
clinical uses of emg - CORRECT ANSWER: can show muscle tension, provide
biofeedback and help patients learn to relax tight muscles
closed loop - CORRECT ANSWER: we rely on incoming signals to make updates
-like driving a curvy road
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