USU Comd 5070 Exam | Study Questions with complete Solution| Verified Answers
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Course
Comd 5070
Institution
Comd 5070
Nyquist Frequency (3) - ANSWER ~ half the sample rate
~ represents the highest frequency your recording can accurately reproduce when you play
it back.
~ Find the samples that are of interest to you and double them.
Compact Discs (2) - ANSWER ~ the sample rate is 44,100 per second or 44.1 kHz
...
USU Comd 5070 Exam | Study
Questions with complete Solution|
Verified Answers
Nyquist Frequency (3) - ANSWER ~ half the sample rate
~ represents the highest frequency your recording can accurately reproduce when you play
it back.
~ Find the samples that are of interest to you and double them.
Compact Discs (2) - ANSWER ~ the sample rate is 44,100 per second or 44.1 kHz
~ this means that the sounds played back from a compact disc can go up to 22,050 Hz or
22.05 kHz (which is actually the hearing limit of most people)
Good Data for Acoustic Analysis (4) - ANSWER ~ Quiet recording environment
~ Good quality microphone
~ Good signal strength
~ Proper sample rate
Saturation - ANSWER Refers to the signal level as it comes into your recorder
All Sounds originate with ______ - ANSWER Movement
, Benefits of Acoustic Analysis - ANSWER ~ It is noninvasive: we don't have to attach any
transducers to the person's vocal tract, instead we can draw inferences from the changes in
the acoustic signal about the movements that generated those sounds.
Disordered Voice (2) - ANSWER ~ Something is wrong with the way the vocal folds were moving
~ which is an adjustment to the sound Source
Distorted Articulation (2) - ANSWER ~ Abnormal movement of the articulators
~ Its the Filter that's not operating properly
Motor Equivalence - ANSWER ~ You can achieve the same sound in a couple of different
physical ways
Acoustic Analysis Limitation (2) - ANSWER ~ the acoustics can not reveal all the details of
the movement (can't tell you how many millimeters the tongue moved)
~ has difficulty telling you all of the details because of all the different articulators that
went into making that sound.
Filter Types (4) - ANSWER ~ High pass
~ Low pass
~ Band pass
~ Band reject
High Pass Filter - ANSWER ~ Allows high frequencies through, but holds back or attenuates
lower frequencies
Low Pass Filter - ANSWER ~ Allows low frequencies through, but holds back high frequencies.
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