EELE 217 FL17: Topics and Notes Summary
(last update 11/29/2017)
DATE | COMMENT |
---|---|
Dec. 14 (Thurs) | Final Exam Thursday, December 14, 2017, 12:00 noon-1:50 pm, regular classroom, Closed book and notes. Calculator and pen/pencil only. |
Dec. 7 (Thurs) | Final class meeting--course wrap-up, and study for final exam. . |
Dec. 5 (Tues) | Guest Lecture -- Ethan Hoerr |
Nov. 30 (Thurs) | Digital Audio (cont.) In class quiz on lecture material. Perceptual audio coding and "modern" digital audio. |
Nov. 28 (Tues) | Digital Audio |
Nov. 23 (Thurs) |
No class -- Thanksgiving Holiday! |
Nov. 21 (Tues) |
Audio electronics (cont.) |
Nov. 16 (Thurs) |
In class quiz on lecture material. Audio electronics: electrical power system in U.S. homes and businesses; audio interconnects Electrical wiring and interconnection principles (handout) |
Nov. 14 (Tues) |
Continue discussion of audio transducer principles. |
Nov. 9 (Thurs) |
In class quiz on lecture material. Audio transducers: principles of microphones and loudspeakers |
Nov. 7 (Tues) |
Homework due at the start of class. Musical Acoustics (cont.) |
Nov. 2 (Thurs) |
In class quiz on lecture material. Principles of Musical Acoustics. . |
Oct. 31 (Tues) |
Review reverberation measurements. Sound transmission through walls, floors, doors, etc. Handout on wall systems and sound infiltration. Homework assigned: Sabine reverberation calculation. Due at the start of class on Tuesday, Nov. 7. |
Oct. 26 (Thurs) |
Meet in Reynolds Hall: Reverb measurements and auditorium architecture. [ results summary ] |
Oct. 24 (Tues) |
Sound absorption and reflection in rooms. |
Oct. 19 (Thurs) |
Sabine equation: estimating reverb time from room size and surfaces. Sabine notes, and Sabine example. |
Oct. 17 (Tues) |
No class this day (instructor out of town) |
Oct. 12 (Thurs) |
MIDTERM EXAM in class. Closed book, closed notes. Pen/Pencil and calculator only. |
Oct. 10 (Tues) |
More on the hearing system, noise protection, response to sound. Begin discussion of sound in rooms: absorption, reflection, transmission. Architectural acoustics and reverberation. Mid term exam review topics. |
Oct. 5 (Thurs) |
In class Quiz on readings and lecture material. Characteristics of hearing: physiology and psychology. Auditory system, audio demos and listening. Sound levels and the decibel. NOTE: mid-term exam is tentatively scheduled for Thursday, October 12, 2017, in class |
Oct. 3 (Tues) |
Physiology of the ear. Structures and functions of the hearing system. |
Sept. 28 (Thurs) |
Harmonics and the analysis of complicated periodic vibrations. . Start physiology of the ear. Structures and functions of the hearing system. Reading assignment: chapters 20-23 of the Strong textbook. |
Sept. 26 (Tues) |
No class this day (instructor out of town) Reading assignment: Start reading chapters 13-15 from the Strong textbook |
Sept. 21 (Thurs) |
In class Quiz on readings and lecture material. Standing waves and resonance; start harmonics and spectral concepts; Audio demo of interference, beating, and harmonics. Start sound levels and the decibel. Reading assignment: Finish reading material from Section 1 of the Strong textbook. |
Sept. 19 (Tues) |
Study wave phenomena: propagation, reflection, absorption, refraction, and diffraction. Doppler effect. |
Sept. 14 (Thurs) |
In class Quiz on Chapter 4 and lecture material. Wave phenomena, relationship between frequency, wavelength, and speed of sound. Reading assignment: Chapters 6 and 8 from the Strong textbook. |
Sept. 12 (Tues) |
Begin waves and wave motion in air. |
Sept. 7 (Thurs) |
In class Quizon Chapters 3, 4, and lecture material. Vibration in simple mass-spring systems and basic mass-spring-damper systems (cont.). Stiffness and mass effect on natural frequency of vibration. Begin waves and wave motion in air. |
Sept. 5 |
Power and energy discussion. Vibration in simple mass-spring systems and basic mass-spring-damper systems (Chapter 4) Reading assignment: Read chapter 4 from the Strong textbook. |
Aug. 31 |
Basic physical quantities and laws. Measurement units for distance, time, mass, frequency, force, energy, power, etc. Vibration in simple mass-spring systems and basic mass-spring-damper systems. |
Aug. 29 |
First class meeting at 3:05PM in Howard Hall Room 117. Course introduction and some listening experiments. Reading assignment: Read chapter 3 from the Strong textbook . |