Template:DSP

v • d • e Digital signal processing

Theory	Discrete frequency \| Nyquist–Shannon sampling theorem \| estimation theory \| detection theory

Sub-fields	audio signal processing \| control engineering \| digital image processing \| speech processing \| statistical signal processing

Techniques	Discrete Fourier transform (DFT) \| Discrete-time Fourier transform (DTFT) \| Impulse invariance \| bilinear transform \| Z-transform, advanced Z-transform

Sampling	oversampling \| undersampling \| downsampling \| upsampling \| aliasing \| anti-aliasing filter \| sampling rate \| Nyquist rate/frequency