UIUC Physics 406
Acoustical Physics of Music
Student Projects/Experimental Results
Spring Semester 2015:

1. Alexander Hamidi and Matt Skrzypczyk designed/built and measured the properties of an acoustic filter, and also designed a Virtual Studio Technology (VST) compressor.

• Implementing an Acoustic Filter & VST Compressor

2. Brian Green built and tested a full-bridge plasma speaker circuit.

• Construction of Full-Bridge Plasma Speaker

3. Chris Holder designed and built a LED color organ in order to visually display the real-time harmonic content of an arbitrary audio signal.

• LED Color Organ

4. Chase Zhou worked on developing software to train a computer for human voice recognition.

• Implementing Speaker Recognition

5. Hailey Anderson, Daniel Roper and Neil Sarwal designed, built and tested a Ruben's Tube, and compared the speed of sound in propane to that in air.

• Testing the Speed of Sound in Various Gases Using a Ruben’s Tube

6. Hannah Hoffman and Melisa Napoles carried out a harmonic analysis comparison of native vs. non-native speakers of spanish language.

• Native vs. Non-Native Spanish Language Comparison

7. Hamaad Ahamad carried out a harmonic analysis comparison of metal vs. plastic kazoos.

• The Kazoo

8. Jason Yang and Michael Redlich investigated acoustic levitation.

• Acoustic Levitation

9. Joe Strehlow designed, built and tested an electro-acoustic monopole sound source.

• An Electro-Acoustic Monopole Sound Source

10. Jon Liang built a clone of an Electro-Harmonix Big Muff Pi distortion pedal for electric guitar, and investigated the harmonic attributes of this device.

• Big Muff Pi Kit

11. Joshua Lanzona designed, built a Cajón, and carried out a comparison of the acoustical properties of his Cajón to commercially-available ones.

• Cajón Design and Comparison

12. Lucas Hendren built a clone of the Marshall Shredmaster distortion pedal for electric guitar, and investigated the harmonic attributes of this device.

• Shredder Distortion Pedal

13. Max Bass and Gang Hong investigated the tonal properties of speech unique to the Hindi language.

• Tonal Properties of Speech Unique to the Hindi Language

14. Max Willis compared the acoustic and electromagnetic properties of 3 hi-fi loudspeakers

• Characterizing of 3 Speakers

15. Parker Smith designed and built a budget grammophone.

• Building a Budget Gramophone

16. Patrick Barry designed and built a 1/f-noise driven "shimmer" FX box for electric guitar.

• The Shimmer Effect Box

17. Simon Li investigated the acoustical properties of various jaw harps.

• Jaw Harp: An Acoustic Study

18. Tyler Lindemann and Andrea Vella investigated the modal vibrations of circular and square vibrating aluminum plates, comparing Chladni nodal sand patterns with near-field acoustic holography phase-sensitive measurements of complex pressure, particle velocity, particle displacement, etc. and with modal-vibrational data obtained from a novel eddy current probe.

• Analysis of Vibrating Plates with Acoustic Holography and Eddy Currents

19. Yuxiao Zhao compared the frequency reponse of 3 different kinds of earphones

• Frequency Response Analysis of Earphones

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