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by Jamie Angus, David Howard
Acoustics and Psychoacoustics, 4th Edition
Cover
Title Page
Copyright
Contents
Preface
Chapter 1: Introduction to Sound
1.1 Pressure Waves and Sound Transmission
1.2 Sound Intensity, Power and Pressure Level
1.3 Adding Sounds Together
1.4 The Inverse Square Law
1.5 Sound Interactions
1.6 Time and Frequency Domains
1.7 Analyzing Spectra
Bibliography
Chapter 2: Introduction to Hearing
2.1 The Anatomy of the Hearing System
2.2 Critical Bands
2.3 Frequency and Pressure Sensitivity Ranges
2.4 Loudness Perception
2.5 Noise-induced Hearing Loss
2.6 Perception of Sound Source Direction
References
Chapter 3: Notes and Harmony
3.1 Musical Notes
3.2 Hearing Pitch
3.3 Hearing Notes
3.4 Tuning Systems
References
Chapter 4: Acoustic Model for Musical Instruments
4.1 A “Black Box” Model of Musical Instruments
4.2 Stringed Instruments
4.3 Wind Instruments
4.4 Percussion Instruments
4.5 The Speaking and Singing Voice
References
Chapter 5: Hearing Timbre and Deceiving the Ear
5.1 What is Timbre?
5.2 Acoustics of Timbre
5.3 Psychoacoustics of Timbre
5.4 The Pipe Organ as a Timbral Synthesizer
5.5 Deceiving the Ear
References
Chapter 6: Hearing Music in Different Environments
6.1 Acoustics of Enclosed Spaces
6.2 Room Modes and Standing Waves
6.3 Absorption Materials
6.4 Diffusion Materials
6.5 Sound Isolation
6.6 The Effect of Room Boundaries on Loudspeaker Output
6.7 Reduction of Enclosure Diffraction Effects
References
Further Reading
Chapter 7: Applications: Acoustics and Psychoacoustics Combined
7.1 Critical Listening Room Design
7.2 Pure-Tone and Speech Audiometry
7.3 Psychoacoustic Testing
7.4 Filtering and Equalization
7.5 Public Address Systems
7.6 Noise-reducing Headphones
7.7 “Mosquito” Units and “Teen Buzz” Ring Tones
7.8 Audio Coding Systems
7.9 Summary
References
Further Reading
Appendix 1: The Fourier Transform
A1.1 Fourier’s Theorem
A1.2 Fourier Analysis
A1.3 The Complex Fourier Series
A1.4 Frequency Analysis of Non-periodic Signals: The Fourier Transform
A1.5 The Convolution Theorem
A1.6 A Fourier Transform Example: The Single Pulse
A1.7 The Discrete Fourier Transform
Appendix 2: Solving the ERB Equation
Appendix 4: Deriving the Reverberation Time Equation
Appendix 5: Deriving the Reverberation Time Equation for Different Frequencies and Surfaces
Appendix 6: The Effect of Speaker Size on its Polar Pattern
A6.1 An Array of Point Sources
A6.2 Application to Diffuser Design
A6.3 Application to Array Loudspeakers
A6.4 Application to Constant Directivity Horns
A6.5 The Effect of Mouth, or Array, Size on Beamwidth
References
Further Reading
Appendix 7: Track Listing for the Audio Compact Disc
Index
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Acoustics and Psychoacoustics
David M. Howard and Jamie A. S. Angus
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