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1. Harmonics in musical tones

Match Score:: 100
Author:: Stokes, Harold T.
Main Level:: Lower Undergraduate
Subjects:: Oscillations & Waves / Wave Motion / Standing Waves; Oscillations & Waves / Acoustics; Oscillations & Waves / Instruments; Oscillations & Waves / Instruments / Stringed Instruments; Oscillations & Waves / Instruments / Air Column Instruments

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This Flash animation allows the user to hear and view the effect of adding the various harmonics to sounds produced by a violin and a trumpet.

http://stokes.byu.edu/violin_flash.html

2. WWW Digital Function Generator

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Match Score:: 100
Author:: Digital Recordings - Advanced R & D
Main Level:: Lower Undergraduate
Subjects:: General Physics / Equipment / Electronic Equipment; General Physics / Equipment; Oscillations & Waves / Wave Motion / Interference and Diffraction of Sound; Oscillations & Waves / Wave Motion / Beats; Oscillations & Waves / Acoustics; Oscillations & Waves / Acoustics / Wave Analysis and Synthesis

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This site provides a set of web-based tools for generating high quality stereo sounds of arbitrary complexity. The modules allow a variety of interesting acoustical, audio, auditory,…

http://www.digital-recordings.com/www-dfg/www-dfg-products.html

3. YouTube Videos of Sound Phenomena

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Match Score:: 100
Author:: Mzoughi, Taha
Main Level:: Lower Undergraduate
Subjects:: Oscillations & Waves / Acoustics; Oscillations & Waves / Wave Motion / Shock Waves; Oscillations & Waves / Instruments / Resonance Cavities; Education Practices / Technology; Education Practices / Technology / Multimedia

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This java applet simulates the use of digital filters. Several sounds are provided including speech and noise. The user can apply various filters and view and hear their effect. The…

http://www.falstad.com/dfilter/

5. JavaSound3D

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Match Score:: 100
Authors:: Bliss, Jennifer; Steele, Brad; Mechtly, Bruce
Main Level:: Lower Undergraduate
Subjects:: Oscillations & Waves / Acoustics / Wave Analysis and Synthesis; General Physics / Equipment / Electronic Equipment; Oscillations & Waves / Wave Motion; Oscillations & Waves / Acoustics

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This java application allows the user to look at the waveform of WAV files or microphone inputs in detail. One can see a graph of the fast fourier transform (FFT) of the data in the…

http://www.washburn.edu/classes/cm/Mechtly/JavaSound3D/

6. Web Based Virtual Instruments

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Match Score:: 100
Author:: Digital Recordings - Advanced R & D
Main Level:: Lower Undergraduate
Subjects:: General Physics / Equipment / Electronic Equipment; General Physics / Equipment; Oscillations & Waves / Wave Motion / Interference and Diffraction of Sound; Oscillations & Waves / Wave Motion / Beats; Oscillations & Waves / Acoustics; Oscillations & Waves / Acoustics / Wave Analysis and Synthesis

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This site provides a set of web-based tools for precise analysis of audio, acoustical and electrical signals. The modules include a sound level meter, a digital oscilloscope, a…

http://www.digital-recordings.com/www-instruments/www-instruments.html

7. PhET Simulation: Sound

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Match Score:: 100
Publisher:: Physics Education Technology Project
Main Level:: Lower Undergraduate
Subjects:: Oscillations & Waves / Wave Motion / Wave Properties of Sound; Oscillations & Waves / Acoustics / Pitch; Oscillations & Waves / Sound Reproduction

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This interactive simulation allows students to analyze the properties of sound waves. Frequency/amplitude can be controlled and audio tones can be enabled or disabled. Other options…

http://phet.colorado.edu/en/simulation/sound

8. PhET Simulation: Fourier: Making Waves

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Match Score:: 100
Publisher:: Physics Education Technology Project
Main Level:: Lower Undergraduate
Subjects:: Oscillations & Waves / Acoustics / Wave Analysis and Synthesis; Oscillations & Waves / Wave Motion; General Physics / Mathematical Tools / Fourier and Special Functions; Oscillations & Waves / Wave Motion / Wave Properties of Sound; Oscillations & Waves / Instruments; Other Sciences / Mathematics; Quantum Physics / Probability, Waves, and Interference; Quantum Physics / Approximation Techniques

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This webpage contains an interactive simulation that allows users to study sound waves and harmonics. The amplitude of up to 11 harmonics may be selected for a wave in one dimension,…

http://phet.colorado.edu/en/simulation/fourier

9. The Soda Bottle Speaker

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Match Score:: 100
Author:: Robinson, Tajhid
Main Level:: Lower Undergraduate
Subjects:: Oscillations & Waves / Sound Reproduction / Loudspeakers; Oscillations & Waves / Acoustics; General Physics / Properties of Matter; Oscillations & Waves / Instruments / Electronic Instruments; Oscillations & Waves / Sound Reproduction; Oscillations & Waves / Sound Reproduction / Microphones

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This applet is a visual simulation of sound interference between two speakers. The applet can also be used to generate interference with sound from stereo speakers. The controls…

http://www.falstad.com/interference/

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