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USU COMD 5070--Exam #1 Lectures Study Guide with Complete Solutions
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USU COMD 5070--Exam #1 Lectures Study Guide with Complete Solutions Scientific Method Characteristics - Answer️️ -1) Empirical--based on data 2) Deterministic--obeys physical laws 3) Predictive--if you do this, then that will happen 4) Parsimonious--uses simplest explanation possible Why ...

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  • September 13, 2024
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  • 2024/2025
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  • usu comd 5070 exam 1 lectures study guide with c

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©SOPHIABENNETT
2024/2025 ACADEMIC YEAR




©SOPHIABENNETT 9/11/24 [Course title]

, ©SOPHIABENNETT 2024/2025 ACADEMIC YEAR 7:59 PM



USU COMD 5070--Exam #1 Lectures
Study Guide with Complete Solutions


Scientific Method Characteristics - Answer✔️✔️-1) Empirical--based on data


2) Deterministic--obeys physical laws

3) Predictive--if you do this, then that will happen

4) Parsimonious--uses simplest explanation possible

Why do SLPs use technology? - Answer✔️✔️-1) Overcome listener bias--use consistent

reliable measurement

2) Describe severity objectively

3) Track progress over time

4) ASHA & EBP

5) Provide biofeedback to client

Areas of Speech Science Study - Answer✔️✔️-1) Acoustic phonetics

2) Physiological phonetics

3) Speech perception

Acoustic Phonetics - Answer✔️✔️-Measures of speech production you can get from

microphone recordings and what they can tell us about the way the larynx was

operating and the way the articulators were moving

Physiological Phonetics Areas - Answer✔️✔️-1) Kinematics

2) Aerodynamics


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3) Electromyography

Kinematics - Answer✔️✔️-The study of speech movements

Aerodynamics - Answer✔️✔️-Pressures, flows, and resistances involved in regulating our

breath stream as we speak

Electromyography - Answer✔️✔️-Measurement of electrical activity in muscles as they

are activated

Speech Perception - Answer✔️✔️-The brain's processing and interpretation of speech

sounds.

Frequency - Answer✔️✔️-How often a waveform repeats

How is frequency measured? - Answer✔️✔️-Cycles per second (Hz)

What is the simplest possible sound? - Answer✔️✔️-Pure tone

Complex Tone - Answer✔️✔️-More than one sign wave--multiple sounds blend together

Fundamental Frequency - Answer✔️✔️-Lowest frequency component of a complex

sound

Pitch Perception Characteristics - Answer✔️✔️-1) Linked to frequency

2) Is subjective

3) Cannot be measured with instruments

How do you study pitch perception? - Answer✔️✔️-Listener matches perceived pitch to

that of a pure tone of known frequency.

Frequency Difference Limens (DL) - Answer✔️✔️-Smallest detectable change in

frequency



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Difference Limens Characteristics - Answer✔️✔️-1) Higher frequency sounds must differ

more to be heard as different pitches

2) As intensity increases a larger dB change is needed for us to notice a loudness

difference

3) It's more difficult to tell soft sounds apart if they are fairly close in pitch

What does a larger DL mean? - Answer✔️✔️-A larger DL means that the physical

stimulus must differ more in order to be audible to us.

Complex Tone Characteristics - Answer✔️✔️-1) Have many frequencies

2) Fo (fundamental frequency) is often strongest

3) The auditory system responds to all frequencies heard

4) Can be periodic (more pleasant) or not

When perceiving pitch, we are heavily influenced by the ______________. -

Answer✔️✔️-Fundamental frequency

Harmonics Characteristics - Answer✔️✔️-1) Create periodic sounds

2) Are integer multiples

What types of sounds are in the human voice? - Answer✔️✔️-1) Fo

2) Harmonics

What happens if a Fo is missing? - Answer✔️✔️-1) Sometimes we still perceive it.

2) Called a residue pitch or missing fundamental

3) The brain processes the entire harmonic structure regardless.




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