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

(lecture notes)

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.

ear anatomy cutaway

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
(Tues)

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
(Thurs)

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
(Tues)

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 .