Physics 105 Acoustics
                               Winter 2007-2008

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Dr. James van Howe, Assistant Professor
Science 205
jamesvanhowe@augustana.edu
(309) 794-3403
Office Hours: Thurs. 2:30-3:30 pm, Science 108, and by appointment
(Or during
lab: Tues. 8:30-10:20 am, 12:30-2:20 pm, Science 108 and Thurs. 12:30-2:20 pm, Science 108 )

Announcements     
 
Exam 3 Review Sheet: This is the sheet we went over during Thursday night's review

-Extra Office Hours, Monday February 25, 2:00-4:00 pm of finals week

-Final Exam is 3:00 pm, Tuesday February 26, in Science 304
Note that information from last two classes is fair game on the final



Eloise Imogene van Howe was born at 3:24 am on Tuesday January 22!  


See the updated course schedule/syllabus below!


Course Syllabus
                       
Course Schedule

Lecture Topics and Notes (posted after class)

Homework (updated)
All homework is due before class begins. Note the following abreviations are given by, Ch: chapter, R: review question, E: exercise, Q: questions for thought. All problems will be from Rossing unless otherwise noted.

Due on        Book Problems
Dec 5. Ch1 R3, R4; Ch2 E1
Dec 7. Ch2 E3, E6
Dec 10.   Ch2 R10; Ch3 R3, E9
Dec 12.   Ch3 R4, Q7
Dec 14. Finish Reading Ch3
Dec 17. Ch3 R11, R13, E4
Dec 19. Ch3 R15, E2
Jan 9, Read sound analysis activity handout
Jan 11, Ch4: R11, E3
Read Chapter 7: 135-144
Ch7: E11
Jan 14, Ch10: R3, R6
Jan 16, Finish Reading Chapter 10
Read Chapter 11
Review work we've done so far
Jan 18, Ch4: E7
Ch10: E7
Finish Reading Chapter 11 if haven't already
Jan 21, Pick one thing we have not talked about from one of the following chapters: 10, 11, or 12. Write a short paragraph explaining the science behind this fact.

Be prepared for a reading quiz on the material from these chapters that we have covered.
Jan 23, Take a break
Jan 25, Take a break
Jan 28, Ch11: E1
Ch12: Q3
Ch13: Q3
Jan 30, Take a break
Feb 4, More break
Feb 6, More break
Feb 8, Ch5: R10, E1
Ch6: E2, E4
Feb 11, Ch15: R6, Q1, E9 (note F10 = 536 Hz)
Feb 13, Finish reading chapter 15 if haven't already
Read chapter 16
Feb 15, Ch23: R6, E2
Feb 18, Skim Ch24
Read Ch25
Ch25: R2, R15, E4 (do E1 instead of E4 if you like)
No more homework! 
 
Homework Solutions (click on link below):

Note that the files are updated and overwritten periodically with new solutions, though the link may look the same, it will be different as we finish HW for the week and I update solutions.

Week1

Week2

Week3

Week4

Week5

Week7

Week8

Week9

Week10

Schedule:

Week Date Topic Chapters Assignment Due
1 Dec. 3 Intro, survey, pictures, “What is Sound?” 1, 3
Dec. 5 Vibrating Systems: Simple Harmonic Oscillator 2 Ch1: R3, R4; Ch2: E1
Dec. 7 Vibrating systems cont., coupled oscillators 2 Ch2: E3, E6
2 Dec. 10 Waves: frequency, wavelength, speed, graphical  representation 3 Ch2: R10; Ch3: R3, E9
Dec. 12 Waves: traveling wave, sound wave, reflection 3 Ch3: R4, Q7
Dec. 14 Reflection, refraction, Doppler effect 3 Finish Reading Chapter 3
3 Dec. 17 Interference, diffraction
3 Ch3:  R11, R13, E4
Dec. 19 Review for Exam
Ch3: R15, E2
Dec. 21 Exam 1 Study for Exam
Winter Break
4 Jan. 7 Resonance 4 Welcome back!
Jan. 9 Temporal and Spectral Analysis of Sound (recording activity, bring your instrument) 7 Read sound analysis activity handout
Jan. 11 Fourier Analysis, Timbre, Envelope
Instruments synthesized from pure tones:
Organ
Piano
Chimes
7 Ch4: R11, E3
Read Chapter 7: 135-144
Ch7: E11
5 Jan. 14 String Instruments 10 Ch10: R3, R6
Jan. 16 NOVA Video: What is Music? Finish Reading Chapter 10
Read Chapter 11
Review work we've done so far
Jan. 18 Brass and Woodwinds 11,12 Ch4: E7
Ch10: E7
6 Jan. 21 Percussion 13
Pick one thing we have not talked about from one of the following chapters: 10, 11, or 12. Write a short paragraph explaining the science behind this fact.

Be prepared for a reading quiz on the material from these chapters we have covered.
Jan. 23 No Lecture

Take a break
Jan. 25 No Lecture

Take a break
7 Jan. 28 Notes, scales, temperament, harmony, pitch 8,9 Ch11: E1
Ch12: Q3
Ch13: Q3
Jan. 30 Review for Exam 2

Take a break
Feb. 1 Exam 2 Take a break
8 Feb. 4 Hearing, Power, Loudness
Low freq elephant communication:
Cornell Bioacoustics lab (elephant listening project)
5,6 Take a break
Feb. 6 Snow day class canceled

Take a break
Feb. 8 Structure of the ear, Auditory Perception, Sound localization, Cochlear implants
Listening demo: Sentence Comprehension vs. number of channels
5,6,7 Ch5: R10, E1
Ch6: E2, E4
9 Feb. 11 Speech production: Guest Lecturer Professor Kathy Jakielski, Department of Communication Sciences and Disorders 15 Read Chapter 15
Ch15: R6, Q1, E9 (note F10 = 536 Hz)
Feb. 13 Analysis of speech (spectrographic techniqes): Guest Lecturer Professor Kathy Jakielski, Department of Communication Sciences and Disorders 16 Finish reading chapter 15 if haven't already;
Read chapter 16
Feb. 15 Auditorium Acoustics 23 Ch23: R6, E2
10 Feb. 18 Concert halls, small rooms, home listening rooms, and recording studios 24,25 Skim Ch24
Read Ch25
Ch25: R2, R15, E4 (do E1 instead of E4 if you like)
Feb. 20 Concert hall acoustics, recording enhancement, repair: Guest Lecture Professor Jon Hurty, Department of Music

No more homework!
Feb. 22 Evaluation, Sound Demonstrations by Marc Hayes
Finals Feb. 26 Exam 3 (Final) 3:00 pm, Tues