Music 401C Spring 2012

Acoustics of Music

Dr. Andrew Schloss
Office: MacLaurin A177 Local: 7931
Office hours: Tuesday 4:30-5:30 pm or by appointment (call to confirm)

email: aschloss at uvic dot ca

Classes: MacLaurin A168: Tues, Weds, Fri 11:30 am

TA: Alex Loewen <aloewen at uvic dot ca>
Office: TBA
Office hours: Friday 12:30-1:30 Friday or by appointment

Text: The Science of Sound, third edition by Thomas Rossing. Addison-Wesley 2002.

on reserve: The Acoustical Foundations of Music by John Backus

The Mathematics of Wave Motion (optional; assumes knowledge of calculus)

MATERIALS FOR MUS401C STUDENTS


Grading:

quiz (1) 15%

homeworks (5) 25%

mid-term exam 25%

final exam 35%

We will cover most of parts I, II, III, IV, VI of Rossing in this course (18 chapters).


(Homeworks normally due on Fridays)

Week 1 Introduction, basic physical principles, Vibrating Systems
4 January Reading: Rossing Chapter 1

Week 2 SHM, Modes of vibration, complex vibrations, vibration spectra
10 January Reading: Rossing Chapter 2,3 (optional: Wolfenden article)

Week 3 Waves, propagation, reflection, refraction, diffraction, interference, linear superposition, Doppler Effect
17 January       HW #1 due: Rossing Chapters 1,2,3 (p19: 2,5,9,10 p37: 3,4,6 p58: 1-10)

Week 4 Resonance, standing waves, acoustic impedance
24 January      Reading: Rossing Chapter 4
 

Week 5 Hearing, psychoacoustics, localization, critical bands
31 January         
HW #2 due: Rossing Chapter 4 (p73: 2,3,5,6,8) Reading: Rossing Chapter 5
              

Week 6 Perception of loudness, the decibel, masking
7 Feb       QUIZ 1: Tues, Feb 7 (Chapters 1-5)

Reading
: Rossing Chapter 6

Week 7 READING BREAK
14 Feb
      Reading: Rossing Chapter 7

Week 8    Timbre, spectra of complex waveforms, beats, pitch discrimination, jnd
21 Feb
     (Reading: Chapter 8 optional)

Week 9 Cents, tuning, temperament
28 Feb   Reading: Rossing Chapter 9
HW#3 due: Rossing Chapters 5,6,7 (p97: 1-6, p119: 1-5, p147: 1,2,4,8,10,11,12)

Week 10 Acoustics of stringed instruments
6 March    
Reading:    Rossing Chapter 10
MIDTERM REVIEW CLASS

Week 11 Brass and Woodwinds
13 March   Reading: Rossing Chapters 11,12

MIDTERM: 16 MARCH (Chapters 3-9)

Week 12 Percussion and keyboard instruments
20 March   Reading: Rossing Chapter 13,14

Week 13 Speech, singing, room acoustics
27 March   Reading: Rossing Chapters 15, 17, 23
HW#4 due: Rossing Chapters 9-12 (p190: 1,3,4,5,7,8,9, p223: 2, 3, 5,6,8, p244: 1,4, p270: 4,5,6)

Week 14 The voice, continued 
HW#5 due
: Rossing Chapters 13-15, 17, 23 (p308: 4,6, p333: 1,5, p353: 1,7, p396: 1,3, optional: p544: 1,5,6,7)

3 April

10 April (Tuesday) OPTIONAL REVIEW CLASS AT 11:30 AM      
This will be an optional extra class (will include a review of Chapters 1-15) in A168.

FINAL EXAM ( 9 AM APRIL 16 , 2012)


In-class demos:

longitudinal vs transverse waves (slinky)

reflected pulses (fixed end = phase reversal)

standing waves

speaker phase demo

oscillator/beats demo

oscilloscope demo

realtime 3D spectrum (sndpeek)

instrument identification (removing or truncating attacks to obscure instrument identification)

whirling toy (harmonics -- use w/ tuned MSP patch)

music box (sympathetic vibrations vs resonance)

DSP programs, instrument modeling, SuperCollider, MSP

Auditory Demonstrations CD (JASA/Acoustical Society)