EE280: Special Topics: The Science of Sound
Topics and Notes Summary (last update 5/6/2008):
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| Final grades have been posted to the Banner system as of 11:30AM 5/6/2008. These
should be rolled into the MyInfo system soon.
Final exam summary:
Course Grades Histogram:
Have a great summer, everyone!! -R.C. Maher
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May 5 (Monday) |
FINAL EXAM: regular classroom, noon-1:50PM. The exam format will be similar to the mid-term. Closed book and closed notes.
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May 1 (Thurs) |
Last day of class: course wrap-up and review for final exam.
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Apr. 29 (Tues) |
Audio effects based on delay lines. Handout on digital audio effects.
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Apr. 24 (Thurs) |
Audio electronics: the audio chain. Pre-amps, mixers, EQ, effects, power amps.
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Apr. 22 (Tues) |
Audio electronics: interconnects. Principles of balanced cables and connectors.
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Apr. 17 (Thurs) |
Loudspeakers Basic principles and design types.
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Apr. 15 (Tues) |
Microphones Handouts on transducer principles and microphone examples.
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Apr. 10 (Thurs) |
Begin discussion of electroacoustics. In-class quiz on room acoustics. Discuss course/instructor eval form. Handout on architectural diffusers.
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Apr. 8 (Tues) |
Finish discussion of architectural acoustics Eval form due at the start of class. Discuss experimental results from Tuesday. Sound isolation and attenuation.
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Apr. 3 (Thurs) |
Architectural acoustics (cont.) HW#1 due at the start of class. Discuss experimental results from Tuesday. Sound isolation and attenuation. Course/instructor evaluation form handed out (due Tuesday).
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Apr. 1 (Tues) |
Architectural acoustics (cont.)
Meet in Reynolds Recital Hall Experiments:
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Mar. 27 (Thurs) |
Architectural acoustics (cont.) Absorption vs. frequency. Estimation of reverb time (Sabine equation). Optimum reverberation characteristics/preferences. Assignment: Homework #1 (due at the start of class on April 3) |
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Mar. 25 (Tues) |
Architectural acoustics Return mid-term exams (average was 28/34). Direct sound, early reflections, and reverberation. Reverberation time: room volume and surface absorption. Reading assignment: Read chapter 9 in the Backus textbook. |
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Mar. 20 (Thurs) |
Mid-term exam (in class, closed book and notes).
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Mar. 18 (Tues) |
NOTE: no class this day (instructor out of town).
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Mar. 11, 13 (Tues and Thurs) |
SPRING BREAK (no classes this week) |
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Mar. 6 (Thurs) |
Musical acoustics (cont.) Review of course to this point: prepare for mid-term exam. |
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Mar. 4 (Tues) |
Musical acoustics (cont.) Vocal synthesis using variable bandpass filters. Overview of conventional music notation. Mid-term exam will be held in class on Thursday 3/20/08. |
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Feb. 28 (Thurs) |
Musical acoustics (cont.) Resonance and vocal formants. Reading assignment: Read chapters 7 and 8 in the Backus textbook. |
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Feb. 26 (Tues) |
Musical acoustics (cont.) Scale tunings: just vs. equal tempered scales. Analysis and spectrographic representations. |
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Feb. 21 (Thurs) |
Introduction to musical acoustics. In-class quiz on reading assignment. Reading assignment: Read chapter 6 in the Backus textbook. |
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Feb. 19 (Tues) |
Physiology of the ear and auditory demonstrations (cont.)
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Feb. 14 (Thurs) |
In-class quiz on interference and resonance. Physiology of the ear and auditory demonstrations.
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Feb. 12 (Tues) |
Oscillations and resonance. Helmholtz resonators. Reading assignment: Read chapter 5 in the Backus textbook.
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Feb. 7 (Thurs) |
In-class quiz on wavelength and sound speed. Demonstration of acoustic wave effects and behavior.
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Feb. 5 (Tues) |
Wave reflection and interference. Doppler Effect. Standing waves and sustained oscillations.
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Jan. 31 (Thurs) |
Sound waves and wave propagation. Speed of sound measurement. (no quiz this week) Reading assignment: Read chapter 4 in the Backus textbook.
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Jan. 29 (Tues) |
EE280 class WILL MEET this day after all. The previously announced cancellation is repealed. Sound waves and wave propagation. |
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Jan. 24 (Thurs) |
In-class quiz on basic units and spring systems. Continued discussion of simple mass-spring systems and basic mass-spring-damper systems. Begin coverage of wave physics. A note on energy and power:
Reading assignment: Read chapter 3 in the Backus textbook. |
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Jan. 22 (Tues) |
Measurement units for distance, time, mass, frequency, force, energy, power, etc. Vibration in simple mass-spring systems and basic mass-spring-damper systems
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Jan. 17 (Thurs) |
First class meeting at 1:10PM in Howard Hall Room 117. Course introduction and some listening experiments. Reading assignment: Read chapters 1 and 2 in the Backus textbook. |
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