Week 2 — Digital audio fundamentals, recording, editing, and processing

Tuesday, Sept 16, 1:30-3:20 PM, Phelps 207

Reading due next week

pp. 7 – 41, pp. 46 (middle) – 47

Historical and Theoretical Review

• reviews fundamentals of acoustics
• transducers
• analog recording and tape music
• musique concrète
• digital recording

Repertoire

Hugh Le Caine
Luciano Berio
The Beatles
Pink Floyd
Trevor Wishart

Software and Hardware Demonstrations

• Quicktime Pro
• Wave Editor
• M-Audio Ozone

Lecture Slides

Class02.pdf

Exercise 1

Begin Exercise 1

Lab Session 1

Hours TBA, YalMusT Lab, Studio B16A, 143 Elm Street

Terms To Know

periodic waveform
cycle
fundamental frequency
wavelength
period
cycles per second == cps == Hz == hertz
time domain
pressure (compression/rarefaction)
amplitude
20 Hz - 20 kHz
	
frequency domain
spectrum
harmonics
partials
	
sine
pure tone
phase
phase shift

phase inversion (p. 19)

transducer
voltage
analog audio representation

continuous-time vs. discrete time
ADC
DAC
binary numbers
bits
sampling
sampling frequency (sampling rate)
aliasing
the sampling theorem
Nyquist frequency

quantization noise

decibels
dBSPL
dBFS

dynamic range