Letters after the article name indicate the following notational standardizations have been made:
- A - the "k,n,N" changes
- B - something else
- C - something else
List of articles in Category:Digital signal processing edit
A
- Adaptive filter
- Adaptive modulation
- Adaptive predictive coding
- Aliasing
- Anti-aliasing filter
- Anticausal system
- Audio normalization
- Audio timescale-pitch modification
- Automatic control
- ACID Music
- Adobe Audition
- Ardour (audio processor)
- Audacity
- ACELP
- AT&T FSM Library
B
- Bandlimited
- Bilinear transform
- Bluestein's FFT algorithm
- Bruun's FFT algorithm
C
- Causal system
- Codec
- Cubase
- Cooley-Tukey FFT algorithm
- Computer graphics
- Computer vision
- CSL (speech analysis)
- Cohen-Daubechies-Feauveau wavelet
- Coiflet
- Complex mexican hat wavelet
- Complex wavelet transform
- Continuous wavelet transform
D
- DFT matrix
- Delta modulation
- Delta-sigma modulation
- Digital filter
- Digital frequency
- Digital signal
- Digital signal processor
- Direct digital synthesis
- Discrete Fourier transform
- Discrete cosine transform
- Digital audio editor
- Digital signal processing
- Discrete signal
- Discrete-time Fourier transform
- Dither
- Downsampling
- Dual-core
- Digital photography
- Daubechies wavelet
- Difference of Gaussians
- Discrete wavelet transform
- Dual wavelet
E
- Embedded zerotree wavelet
F
- Filter bank
- Filter design
- Finite impulse response
- Fourier transform
- Full scale
- Fast Fourier transform
- Fast wavelet transform
G
- Goertzel algorithm
- Graphics file formats
H
- Hanning window
- Haar wavelet
- Hermitian hat wavelet
- Hermitian wavelet
I
- Ideal sampler
- Infinite impulse response
- Instantaneous frequency
- Imaging
J
- JPEG 2000
K
- Keyword spotting
L
- LTI system theory
- Low-pass filter
- Libmp3splt
- List of wavelet-related transforms
M
- Minimum phase
- Multiply-accumulate
- Mp3splt
- Mp3splt-gtk
- MusE
- Medical imaging
- Modular Audio Recognition Framework
- Mexican hat wavelet
- Morlet wavelet
- Multiresolution analysis
N
- Noise shaping
- Normalized frequency
- Nyquist frequency
- Nyquist rate
- Nyquist–Shannon interpolation formula
- Nyquist–Shannon sampling theorem
- N-gram
- Natural language processing
O
- Oversampling
P
- Pitch correction
- Pitch detection algorithm
- Pitch shifter
- Polyphase quadrature filter
- PYRAMIX Virtual Studio
- Pro Tools
- Prime-factor FFT algorithm
- Pixlet
Q
- Quadrature mirror filter
- Quasiperiodic
- Quadrature mirror filter
R
- Resampling
- Rosegarden
- Rader's FFT algorithm\
- RWTH FSA Toolkit
S
- SIMD
- Sample (signal)
- Sample and hold
- Sample rate conversion
- Sampling (information theory)
- Sampling frequency
- Signal (information theory)
- Sinc filter
- Source separation
- Spectrum continuation analysis
- Super-resolution
- System analysis
- SoX
- Soundtrack Pro
- Sweep (software)
- Speaker identification
- Speech processing
- Speech recognition
- Stenomask
- SPIHT
- Scaleogram
- Second generation wavelet transform
- Stationary wavelet transform
U
- Unity impulse
- Upsampling
- User:Eub/scratch
- User:Rbj/DFT
V
- Voice Tag
W
- Wavelets
- Wavelet
- Wavelet series
- Wavelet compression
- Wavelet packet decomposition