Topics and Notes Summary (last update 12/11/2012):

DATE Comment

Dec. 7 (Fri)

Last day of class:  course wrap-up and review for final exam.

Final exam:  Thursday, December 13, 2012.  6:00-7:50PM in the regular class room.

Exam is comprehensive, with format similar to the previous in-class exams.  Open book and notes.  Bring your textbook, a calculator, and pen/pencil.

Dec. 5 (Wed)

Digital audio effects:  delay, echo, chorus/flange, reverb, etc.

Term paper:  due in .pdf form to the course D2L dropbox.  Deadline is 5:00PM.

 

Dec. 3 (Mon)

Audio coding:  MPEG 1 Layer 3 as an example of perceptual audio coding.

 

Nov. 30 (Fri)

Special Guest Lecture:  Kurt Fristrup, National Park Service Natural Sounds and Night Skies Program Office.

 

Nov. 28 (Wed)

Introduction to digital audio sampling and pulse-code modulation (PCM).

 

Nov. 26 (Mon)

Return Exam #2; review exam topics.

Audio engineering signals and interconnects.

 

Nov. 23 (Fri)

No MSU classes:  Thanksgiving holiday.

 

Nov. 21 (Wed)

No MSU classes:  Thanksgiving holiday

The Thanksgiving Day holiday in the United States comes from the harvest festival tradition of 16th century agrarian Europe.

The traditional "first Thanksgiving" was held in 17th century America by the Pilgrims (1621).

George Washington instituted a national day of Thanksgiving in 1789, but the event did not gain widespread official acceptance until Abraham Lincoln issued a proclamation on October 3, 1863, setting aside the last Thursday of November as a day of thanksgiving.  Incidentally, this proclamation was issued just a few weeks before Lincoln gave his famous address at Gettysburg (November 19, 1863). 

Every president after Lincoln continued the Thanksgiving Day tradition, and Congress adopted the fourth Thursday of November as a national holiday in 1941.

The fourth Thursday can be as early as Nov. 22 (like 2007), and as late as Nov. 28. Look ahead formula: to determine the date of Thanksgiving next year: subtract one from the day of the month this year; then if next year is a leap year, subtract 1 more. If that result is less than 22, add 7.  Example:  in 2011 the date was November 24, so in 2012 (a leap year) Thanksgiving will be on the 22nd.  Next year, 2013, it will be on Nov. 28.

 

Nov. 19 (Mon)

Bobcat Stadium sound system tour:  Do not go to the regular classroom, but MEET at the west end of the stadium at noon sharp! 

 

Nov. 16 (Fri)

Audio Engineering:  signals and studio electronics

No quiz this week.

Nov. 14 (Wed)

Midterm Exam #2

In class, 50 minutes, open book and notes. (bring a pencil/pen and a calculator)

Coverage is through the lecture on 11/9/12

 

Nov. 12 (Mon)

No class this day (Veterans Day, no MSU classes, offices closed)

 

Nov. 9 (Fri)

Audio Engineering:  signals and studio electronics

Review for exam #2

Email the instructor your course term paper description before 5PM!

No quiz this week.

Nov. 7 (Wed)

Audio Engineering:  basic system concepts

Assigned:  Course Term Paper project

Some notes on Authoritative References

Review for exam #2.

Mid-term exam 2:  will be held in class on Wednesday Nov. 14

Nov. 5 (Mon)

Acoustical measurement demonstration:  don't go to the regular classroom!  MEET IN SUB PROCRASTINATOR THEATER at noon.

 

Nov. 2 (Fri)

Audio Engineering:  transducers (cont.)

Basic principles of loudspeakers and enclosures.

No quiz this week.

Oct. 31 (Wed)

Audio Engineering:  transducers

Basic principles of microphones and microphone types.

Microphone patterns.  Stereophile magazine microphone recording (.wav 32MB).

Mid-term exam 2:  looking at Wednesday Nov. 14 or Monday Nov. 19?

Oct. 29 (Mon)

Finish material on Architectural Acoustics (Read chapter 12)

 

Oct. 26 (Fri)

Guest lecture

Assignment: Complete quiz 5 (posted online D2L) by 5PM Monday 10/29/12.

Oct. 24 (Wed)

Architectural acoustics (cont.)

Absorption, reflection, diffusion.

Acoustical measurements and characterization.

Oct. 22 (Mon)

Architectural Acoustics (Read chapter 12)

Basic reverberation estimates using the Sabine equation.

 

Oct. 19 (Fri)

Environmental acoustics, cont.

Note:  no quiz this week.

Oct. 17 (Wed)

Environmental acoustics

Assignment: Read Chapter 13, primarily 359-365, 375-388.

Oct. 15 (Mon)

Human hearing characteristics, audio examples of loudness, masking, and frequency-dependent sensitivity.

 

Oct. 12 (Fri)

Human hearing characteristics, cont.

Assignment: Complete quiz 4 (posted online D2L) by 5PM Monday 10/15/12.

Oct. 10 (Wed)

Finish plan piston model; start physiology and psychology of human hearing.

Assignment: Read Chapter 11.

Oct. 8 (Mon)

Plane circular piston model for a loudspeaker driver:  far field off axis

 

Oct. 5 (Fri)

No EELE 417 class this day -- instructor out of town.

 Note: No quiz or practice problems this weekend.

Oct. 3 (Wed)

Midterm exam #1, in class, 50 minutes, open book and notes.

(bring a pencil/pen and a calculator)

Coverage is through the lecture on 9/28/12

Oct. 1 (Mon)

Plane circular piston model for a loudspeaker driver.

Assignment: prep for midterm exam.

Sept. 28 (Fri)

Simple sources using small pulsating sphere model.

Exam review.

Assignment: Complete quiz 3 online (D2L) by 5PM Monday 10/1/12.

Sept. 26 (Wed)

Start Chapter 7:  radiation and reception of acoustic waves.

Assignment: Practice problems 5.12.3, 5.12.12, and 5.13.2, from Kinsler and Frey.

 

Sept. 24 (Mon)

SPL, Intensity Level, and frequency weighting functions.

Here is a solution outline for the first two D2L quizzes.

 

Sept. 21 (Fri)

Finish Chapter 5:  sound pressure level and sound intensity level.

Some notes on decibel usage.

(No quiz this week)

Note:  Exam 1 is scheduled for Wednesday, October 3 (in class).

Sept. 19 (Wed)

Chapter 5 (cont.):  spherical wave propagation and specific acoustic impedance.

Note:  no quiz this week.

 

Sept. 17 (Mon)

No EELE 417 class this day -- instructor out of town.

 Note: Practice problem 1.13.3 is missing a “t” in the cosine argument.  Here is a solution summary for 1.13.3.

Sept. 14 (Fri)

Chapter 5 (cont.):  spherical wave propagation and specific acoustic impedance.

NOTE:  There will be an online quiz posted on D2L on Friday morning.  Instructions will be given in class.

Assignment: Complete quiz 2 online (D2L) by 5PM Monday 9/17/12.

Sept. 12 (Wed)

Chapter 5 (cont.):  the linear acoustic wave equation.  Plane wave propagation, particle speed, and specific acoustic impedance.

Assignment: Practice problems 1.13.3, 1.15.7, 5.2.4, and 5.6.2 from Kinsler and Frey.

Sept. 10 (Mon)

The linear acoustic wave equation:  basic principles.

Assignment: Remember that you need to attend four formal recitals or concerts during the semester, and turn in the program with your name on it.  School of Music events are listed on this schedule.

Sept. 7 (Fri)

Driven oscillators and mechanical impedance.

Assignment: Complete quiz 1 online (D2L) by 5PM Monday 9/10/12.

Sept. 5 (Wed)

Damped oscillators, analytical solutions, and qualitative observations.

NOTE:  There will be an online quiz posted on D2L on Friday morning.  Instructions will be given in class.

Assignment: Read the first part of Chapter 5 of Kinsler and Frey.

Sept. 3 (Mon)

Labor Day (no class)

University Holiday.

Aug. 31 (Fri)

Continue basic units and acoustical quantities.  Review of simple oscillators.

Assignment: HW#1, three problems from the K&F text:  1.3.2, 1.3.3C, 1.6.1 .  A D2L quiz over this material will be posted soon.

Aug. 29 (Wed)

Basic units and acoustical quantities.  Review of simple oscillators.

Assignment: Read Chapter 1 of Kinsler and Frey.

Aug. 27 (Mon)

First class meeting at Noon in Roberts Hall 102.

Reminder of the ECE "Welcome and Welcome Back" event to be held at 4:30PM 8/27/2012 in EPS 103.  All ECE students are welcome and encouraged to attend!

EELE 417 course introduction and some listening experiments.  Go over the syllabus and course expectations/goals/policies.