Christopher L. Bennett

Digital Audio Theory

A Practical Guide

• Broschiertes Buch

Produktbeschreibung

Digital Audio Theory: A Practical Guide bridges the fundamental concepts and equations of digital audio with their real-world implementation in an accessible introduction, with dozens of programming examples and projects.

Produktdetails

• Verlag: Taylor & Francis Ltd
• Seitenzahl: 238
• Erscheinungstermin: 28. Dezember 2020
• Englisch
• Abmessung: 236mm x 157mm x 27mm
• Gewicht: 482g
• ISBN-13: 9780367276539
• ISBN-10: 0367276534
• Artikelnr.: 60014597

Autorenporträt

Christopher L. Bennett is a Professor in the Music Engineering Technology program at the University of Miami, Frost School of Music. He conducts research, teaches, and publishes in the fields of digital audio, audio programming, transducers, acoustics, psychoacoustics, and medical acoustics.

Inhaltsangabe

1 Introduction 1.1 Describing audio signals 1.2 Digital audio basics 1.3 Describing audio systems 1.4 Further reading 1.5 Challenges 1.6 Project
audio playback 2 Complex vectors and phasors 2.1 Complex number representation and operations 2.2 Complex conjugates 2.3 Phasors 2.4 Beat frequencies 2.5 Challenges 2.6 Project
AM and FM synthesis Bibliography 3 Sampling 3.1 Phasor representation on the complex plane 3.2 Nyquist frequency 3.3 Time shift operators 3.4 Sampling a continuous signal 3.5 Jitter 3.6 Challenges Bibliography 4 Aliasing and reconstruction 4.1 Under-sampling 4.2 Predicting the alias frequency 4.3 Anti-aliasing filter 4.4 Reconstruction 4.5 Challenges 4.6 Project
aliasing Bibliography 5 Quantization 5.1 Quantization resolution 5.2 Audio buffers 5.3 Sample-and-hold circuit 5.4 Quantization error (eq) 5.5 Pulse code modulation 5.6 Challenges Bibliography 6 Dither 6.1 Signal-to-Error Ratio (SER) 6.2 SER at low signal levels 6.3 Applying dither 6.4 Triangular PDF dither 6.5 High-frequency dither 6.6 Challenges 6.7 Project
dither effects Bibliography 7 DSP basics 7.1 Time-shift operators 7.2 Time-reversal operator 7.3 Time scaling 7.4 Block diagrams 7.5 Difference equations 7.6 Canonical form 7.7 Challenges 7.8 Project
plucked string model Bibliography 8 FIR filters 8.1 FIR filters by way of example 8.2 Impulse response 8.3 Convolution 8.4 Cross-correlation 8.5 FIR filter phase 8.6 Designing FIR filters 8.7 Challenges 8.8 Project
FIR filters Bibliography 9 z-Domain 9.1 Frequency response 9.2 Magnitude response 9.3 Comb filters 9.4 z-Transform 9.5 Pole/zero plots 9.6 Filter phase response 9.7 Group delay 9.8 Challenges 10 IIR filters 10.1 General characteristics of IIR filters 10.2 IIR filter transfer functions 10.3 IIR filter stability 10.4 Second-order resonators 10.5 Biquadratic filters 10.6 Proportional parametric EQ 10.7 Forward-reverse filtering 10.8 Challenges 10.9 Project
resonator Bibliography 11 Impulse response measurements 11.1 Noise reduction through averaging 11.2 Capturing IRs with MLS 11.3 Capturing IRs with ESS 11.4 Challenges 11.5 Project
room response measurements Bibliography 12 Discrete Fourier transform 12.1 Discretizing a transfer function 12.2 Sampling the frequency response 12.3 The DFT and inverse discrete Fourier transform 12.4 Twiddle factor 12.5 Properties of the DFT 12.6 Revisiting sampling in the frequency domain 12.7 Frequency interpolation 12.8 Challenges 12.9 Project
spectral filtering 13 Real-time spectral processing 13.1 Filtering in the frequency domain 13.2 Windowing 13.3 Constant overlap and add 13.4 Spectrograms 13.5 Challenges 13.6 Project
automatic feedback control 14 Analog modeling 14.1 Derivation of the z-transform 14.2 Impulse invariance 14.3 Bilinear transformation 14.4 Frequency sampling 14.5 Non-linear modeling with ESS 14.6 Challenges Bibliography