Acoustics: Sound Creation & Propagation: Difference between revisions
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*Student will understand the concepts of frequency/amplitude and how they relate to pitch, loudness, and the media through which sounds travel. | *Student will understand the concepts of frequency/amplitude and how they relate to pitch, loudness, and the media through which sounds travel. | ||
*Student will be able to describe sound based on a visual representation on a spectrogram, time-frequency graph, or oscilloscope trace. | *Student will be able to describe sound based on a visual representation on a spectrogram, time-frequency graph, or oscilloscope trace. | ||
==Resources== | ==Resources== | ||
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[[Category:Fundamentals of Sound & Music]] | [[Category:Fundamentals of Sound & Music]] | ||
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Latest revision as of 19:04, 21 December 2024
| This lesson is part of the Fundamentals of Sound & Music module. |
Objectives
- Student will understand the basic nature of sound as vibration and how it propagates through a medium.
- Student will understand the concepts of frequency/amplitude and how they relate to pitch, loudness, and the media through which sounds travel.
- Student will be able to describe sound based on a visual representation on a spectrogram, time-frequency graph, or oscilloscope trace.
Resources
Readings
- Music Tech Musician:
- Elsea, USCS Electronic Music Studios Technical Essays:
- NDT Resource Center: "Sound"
- Physclips: "Pitch Loudness and Timbre."
Listening or Videos
- Physclips: Sound.
- Project Studio Handbook:
Tools
- Chrome Music Lab: Spectrogram
- Chrome Music Lab: Sound Waves
- Academo Virtual Oscilloscope
- Szynalski Online Tone Generator
- (Software) Audacity
Class Activities
- Discussion and definition of the physical properties of sound and how it is created
- Play sine waves at different frequencies: discuss frequency, pitch, period, amplitude (show on spectrograms/oscilloscopes)
- Play different sounds/instruments on spectrogram, oscilloscope, and time/frequency graph: compare and contrast
- Discussion of vibration, frequency, and tension using strings demonstration
Assignments
Files:
- Acoustics and Hearing Worksheet