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Instructions
Click and drag to select all of the study questions below. Then press CTRL + C to copy,
or right-click the text and then click Copy.
In a word processing program such as Notepad or Microsoft Word, open a new blank
file. Then press CTRL + V to paste, or right-click the blank area and then click Paste.
The questions will appear.
Save the file in your audio folder, and name it with Study, the section number, and your
first initial and last name. For example, Jessie Robinson's study questions for Section 1
would be named Study1JRobinson.
Answer the questions for each lesson on the same day that you read the lesson. Save
the file before closing it each day. Then turn in your answers to the study questions at
the end of the section. Review Lesson 4 of the Course Overview for instructions about
turning in your study questions.
Section 1 Study Questions (20.0 points)
Answer each question fully. Complete sentences are not necessary, but some questions
may require more than one sentence to answer them fully.
Lesson 1 (4.0 points)
1. What does an audio engineer do? (0.5 points)
2. What is sound? (0.5 points)
3. A speaker makes sound when which part of the speaker creates vibrations? (0.5
points)
4. In a waveform, what does the length from the horizontal timeline to the peak tell you?
(1.0 points)
5. What part of a waveform does frequency (or pitch) measure? (0.5 points)
6. What is the difference between loudness and volume? (1.0 points)
Lesson 2 (3.0 points)
1. How is amplitude different from volume or loudness? (1.0 points)
2. What does a decibel measure? (0.5 points)
3. What is a sine wave tone? (0.5 points)
4. In Audacity, what command should you use if you make a mistake? (0.5 points)
5. In Audacity, what tool should you use if you want to see more detail in a sound wave?
(0.5 points)
Lesson 3 (4.0 points)
1. What is the phase of a waveform? (0.5 points)
2. What happens when two identical waves are in-phase? (1.0 points)
3. What happens when two identical waves are in inverted phase? (1.0 points)
4. What is phase shifting? (0.5 points)
5. What are the two parts of an Audacity project? (1.0 points)
Lesson 4 (3.0 points)
1. What is pitch? (0.5 points)
2. What is perceived pitch? (0.5 points)
3. What are octaves? (0.5 points)
4. What is the difference between simple and complex waveforms? (1.0 points)
5. What is harmonics? (0.5 points)
Lesson 5 (3.0 points)
1. In audio engineering, what is noise? (0.5 points)
2. Where does white noise get its name? (0.5 points)
3. What's one thing people use white noise for? (1.0 points)
4. In Audacity, what do you use the Selection Tool for? (0.5 points)
5. In Audacity, what does Noise Reduction let you do? (0.5 points)
Choose how much volume of a noise to remove
Lesson 6 (3.0 points)
1. What parts of the ear cause permanent hearing loss if they are damaged? (0.5 points)
2. What is the threshold of pain? (1.0 points)
3. What is permanent threshold shift? (0.5 points)
4. What is ergonomics? (0.5 points)
5. What is repetitive strain injury? (0.5 points)
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