Signals and Signal Processing in Manufacturing -- From Fourier Transform to Wavelet Transform: A Historical Perspective -- Continuous Wavelet Transform -- Discrete Wavelet Transform -- Wavelet Packet Transform -- Wavelet-Based Multiscale Enveloping -- Wavelet Integrated with Fourier Transform: A Unified Technique -- Wavelet Packet-Transform for Defect Severity Classification -- Local Discriminant Bases for Signal Classification -- Selection of Base Wavelet -- Designing Your Own Wavelet -- Beyond Wavelets.