EELE 217 SP17:  Topics and Notes Summary

(last update 2/21/2017)

DATE COMMENT

Feb. 23
(Thurs)

In class Quiz on readings and lecture material.

More on the hearing system, noise protection, response to sound.

Feb. 21
(Tues)

Characteristics of hearing: physiology and psychology.  Auditory system, audio demos and listening.

Sound levels and the decibel [decibel handout].

Feb. 16
(Thurs)

In class Quiz on readings and lecture material.

Physiology of the ear.  Structures and functions of the hearing system.

Reading assignment:  chapters 20-23 of the Strong textbook.

ear anatomy

Feb. 14
(Tues)

Harmonics and the analysis of complicated periodic vibrations (Guest lecture).

Feb. 9
(Thurs)

Speed of sound measurement. Standing waves on strings and in pipes.

Reading assignment:  Finish reading chapters 13-15 of the Strong textbook.

Feb. 7
(Tues)

No class this day (instructor out of town)

Reading assignment:  Start reading chapters 13-15 from the Strong textbook

Feb. 2
(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.

Jan. 31
(Tues)

Study wave phenomena: propagation, reflection, absorption, refraction, and diffraction.  Doppler effect.

 Jan. 26
(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.

 Jan. 24
(Tues)
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.

Jan. 19
(Thurs)

In class Quiz on Chapter 3 and lecture material.

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.

Jan. 17
(Tues)

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.

Jan. 12
(Thurs)

First class meeting at 1:40PM in Howard Hall Room 117.

Course introduction and some listening experiments.

Reading assignment:  Read chapter 3 from the Strong textbook .