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COMD 5070 Exam 1 Study Guide with Complete Solutions
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COMD 5070 Exam 1 Study Guide with Complete Solutions
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COMD 5070 Exam 1 Study Guide withComplete Solutions
Can jitter and shimmer co-occur? - ANSWER-yes; you won't find one without the other
How do waveforms differ as frequency goes up or down? - ANSWER-higher frequency
wavelengths appear closer together with more frequency over a period of time than
lower frequencies
How does a complex periodic sound change when the fundamental is removed or
muted? - ANSWER-when removed, the timbre (quality) differs, but the pitch is perceived
as the same
How does intensity change with distance? - ANSWER-intensity decreases the farther it
is from the source of the sound as the sound is spread out over more space
How does sampling rate relate to playback quality, file size, frequencies saved in
recording? - ANSWER-The higher the sampling rate, the bigger file size is needed and
the higher quality you will have
How is loud speech different from conversational speech? - ANSWER-Loud speech
requires more forceful vocal fold collisions and higher oral pressure
How is the VRP computed and what does it show? - ANSWER-x-axis represents the
fundamental frequency range
y-axis represents the amplitude
How many semitones are in one octave? - ANSWER-12
How quantization it different from sampling rate? - ANSWER-the more decimal places,
the more detail a sample will have
What are the dimensions of a spectrogram? - ANSWER-x-axis shows time
y-axis shows frequency
darkness shows intensity
What are the electroglottograph (EGG) signal features? - ANSWER-involves placing
two electrodes on the neck over the thyroid laminae and measuring the signal strength
What are the features of the FFT spectrum? - ANSWER-shows harmonic energy and is
good at revealing sources, but it is less clear at showing formants
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