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COMD 5070 Final Exam Questions And Answers A+ Graded
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COMD 5070 Final Exam QuestionsAnd Answers A+ Graded
neither invariant nor linear - -The speech signal is
-perceptual normalization - -When a listener simplifies the processing of the
speech signal to smooth out superfluous variability, it is called
-categorical perception - -One type of quantal perception that occurs as we
listen to speech is called
-syllable components are presented separately, but simultaneously, to each
ear - -In duplex perception:
-the place and/or manner of articulation is perceived to change - -In the
McGurk effect:
-using contextual, linguistic, and cognitive cues - -Top-down processing in
the perception of speech involves
-motor theory - -Which speech perception theory has been criticized as
being so vague that it is more of a philosophy than a theory or model?
-perceptual magnets - -enhance differences between distinct phonemes
-Cohort theory - -based on similarity of acoustic features of the beginning of
words
-dominant language exposure gradually decreases discrimination of non-
native speech features - -research with infants has shown that
-a refinement of everyday thinking - -What is science?
-empirical, deterministic, predictive, parsimonious - -What are the 4
features of the scientific method?
-semitone - -A nonlinear increase in frequency as you go from low to high
-12 - -How many semitones are in one octave?
-5.9% - -There are ________ more semitones in the octave before the last
-Sampling rate - -the frequency with which numbers are stored or written
down to represent the analog signal that you're sampling.
, -the higher the sampling rate, the better the playback quality - -How does
sampling rate relate to playback quality?
-Nyquist frequency - -The highest frequency the can be reproduced- or the
highest sampling rate
-high pass filter - -allows high frequencies through and holds back lower
frequencies
-low pass filter - -blocks high frequencies. The best way to avoid aliasing
during a digital recording.
-band pass filter - -allows a band of frequencies though and holds back both
higher and lower frequencies
-band reject filter - -holds back a band of frequencies and allows both
higher and lower frequencies through
-frequency domain - -a line spectrum shows the frequency components of a
period sound
-time domain - -a waveform represents sound directly, air pressure changes
over time
-FFT spectrum - --clearly shows harmonic energy
-each peak is a harmonic
-less clear at showing formants
-more revealing of source
-LPC Spectrum - --shows spectral envelope
-good at revealing formants
-does not show harmonics
-more revealing of filter
-time, frequency, intensity - -In a 3D spectogram, the x-axis represents
_________, the y-axis represents ____________, and the darkness represents
________________
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