ComD 5070 Exam 1 Study Guide modules 1-5 with complete solutions
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Course
COMD 5070
Institution
COMD 5070
ComD 5070 Exam 1 Study Guide
modules 1-5 with complete solutions
• what is science?4 features of the scientific method - Answer️️ -1) EMPIRICAL -
based on data
2) DETERMINISTIC - obeys physical laws
3) PREDICTIVE - if you this....then that will happen
4) PARSIMONIOUS - use the simplest ...
and studying what it can tell us about the way the larynx is operating or the articulators
are moving.
2) PHYSIOLOGOCAL PHONETICS -
• KINEMATICS - study of SPEECH MOVEMENTS
• AERODYNAMICS - PRESSURE, FLOW and RESISTANCE we use to regulate our
breath stream as we speak.
• ELECTROMYOGRAPHY - the ELECTRICAL ACTIVITY OF MUSCLES as they are
activated
3) SPEECH PERCEPTION - the aspects of signal processing of the brain. We will
DRAW PARALELLS FROM the PERCEPTUAL ASPECTS of speech understanding
and the ACOUSTICAL TECHNIQUES that we use to evaluate a speech signal in a
quantitative way.
How is pitch perception linked to frequency? - Answer✔️✔️-1. We interpret higher
frequency sounds to have a higher pitch
FREQUENCY - OBJECTIVE
PITCH - SUBJECTIVE cannot be measured
What is frequency? - Answer✔️✔️-1. It is determined by HOW FREQUENTLY a
WAVEFORM REPEATS ITSELF OVERT TIME
2. Measured in HERTZ (Hz) = cycles per second (CPS)
a. Acoustic Measures
How do waveforms differ as frequency goes up and down? - Answer✔️✔️-The HGHER
FREQUENCY the frequency, the MORE COMPLETE CYCLES per second
a) The waveforms are CLOSER together
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