EELE 217 SP16:  Topics and Notes Summary

(last update 4/18/2016)

DATE COMMENT
May 2
(Mon)

FINAL EXAM 2:00-3:50PM, regular classroom (117 Howard Hall).

Coverage is comprehensive:  from the start of the semester up through 4/28/16.

Exam is closed book.  You may bring a calculator (not required) and a pencil/pen.  Exam format will be multiple choice, with a few short-answer questions.

(NOTE from the syllabus:  "A grade of F will also be given automatically if the midterm or final exam is not taken, regardless of the student's aggregate score total." )

April 28
(Thurs)

Perceptual audio coding:  MP3 and similar coders

Course summary, and review for final exam.

April 26
(Tues)

Digital audio (cont.)

Perceptual audio coding and modern digital audio signal processing

April 21
(Thurs)

Digital audio:  sampling and quantization

April 19
(Tues)

Audio signals:  standard levels, signal-to-noise ratio considerations, mixing and dynamic range.

April 14
(Thurs)

In class Quiz on lecture material.

Finish audio electronics discussion, then begin audio processing and digital audio.

April 12
(Tues)

Audio electronics (cont.)

April 7
(Thurs)

Audio electronics:  electrical power system in U.S. homes and businesses; audio interconnects

Electrical wiring and interconnection principles (handout)

April 5
(Tues)

Finish transducer discussion, then start considering the principles of home and studio electrical wiring.

Mar 31
(Thurs)

In class Quiz on lecture material.

Audio transducers (microphones and loudspeakers, cont.)

Mar 29
(Tues)

Begin audio transducers (microphones and loudspeakers)

Lecture notes (handout)

Mar 24
(Thurs)

Musical acoustics (cont.) -- foundations of common practice musical organization

Lecture notes (handout)

>>Homework assignment on reverb due at the start of class this day.

Mar 22
(Tues)

Musical acoustics -- foundations of common practice musical organization

Mar 17
(Thurs)

NO CLASS this day.

(Spring break week)

Mar 15
(Tues)

NO CLASS this day.

(Spring break week)

Mar. 10
(Thurs)

Sound isolation, sound transmission class (STC), flanking paths (cont.)

Homework assignment on reverb estimation (due at the start of class on 3/24/16)

Mar. 8
(Tues)

MID-TERM EXAM in class this day.

Coverage from the start of the semester up through the start of room acoustics (2/25/16).

Exam is closed book.  You may bring a calculator (not required) and a pencil/pen.  Exam format will be multiple choice, with a few short-answer questions.

(NOTE from the syllabus:  "A grade of F will also be given automatically if the midterm or final exam is not taken, regardless of the student's aggregate score total." )

Mar. 3
(Thurs)

Sound isolation, sound transmission class (STC), flanking paths (cont.)

Exam review.

Mar. 1
(Tues)

Sound in rooms:  reverberation estimation, critical distance, and sound transmission through walls, floors, doors, etc. Handouts on Sabine reverberation estimation, and on wall systems and sound infiltration.

Exam review.

Feb 25 (Thurs)

 Begin discussion of sound in rooms:  absorption, reflection, transmission.  Architectural acoustics and reverberation.

Feb. 23 (Tues)

NO CLASS this day.

Instructor out of town.

NOTE that the mid-term exam is tentatively scheduled for class time on Tuesday, March 8, 2016.

Feb. 18 (Thurs)

In class Quiz on readings and lecture material.

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

Feb. 16 (Tues)

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

Article about noise exposure during 1986 9-day non-stop flight of the Voyager aircraft.

Reading assignment:  chapters 20-23 of the Strong textbook

Feb. 11
(Thurs)

In class Quiz on readings and lecture material.

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

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

cutaway drawing of human ear physiology

Feb. 9
(Tues)

Harmonics and spectral content; sound levels and the decibel

Handout on the decibel.

Article about the atmospheric pressure disturbance caused around the world due to the Krakatoa eruption in 1883.

Start reading chapters 13-15 from the Strong textbook

Feb. 4
(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.

Feb. 2
(Tues)

Sound propagation speed in various materials.

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

Jan. 28
(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. 26
(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. 21
(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. 19
(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. 14
(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 .

Apr. 30 (Thurs)

FINAL EXAM in class this day.

Coverage is comprehensive:  from the start of the semester up through 4/28/15.

Exam is closed book.  You may bring a calculator (not required) and a pencil/pen.  Exam format will be multiple choice, with a few short-answer questions.

(NOTE from the syllabus:  "A grade of F will also be given automatically if the midterm or final exam is not taken, regardless of the student's aggregate score total." )

 

Apr. 28 (Tues)

Perceptual audio coding:  MP3 and similar coders

Course summary, and review for final exam.

Apr. 23 (Thurs)

Digital audio (cont.)

 

Apr. 21 (Tues)

Digital audio:  sampling and quantization