libfilter is signal processing framework with multiple of included filters/oscilators/processors (DSP)
- AFTELSEncoder (custom time encoding, see afte_documentation.txt)
- AFTESTSEncoder
- DiffrentialDecoder/DiffrentialEncoder
- FMStereoEncoder
- DSBSCModulator
- AMModulator
- LSBModulator
- USBModulator
- FMModulator
- BPSKModulator
- QPSKModulator
- FSKModulator
- FourFSKModulator
- MonoClipper
- StereoClipper
- MonoDeclipper
- MonoLimiter
- StereoLimiter
- MonoCompositeClipper
- StereoCompositeClipper
- StereoDeclipper
- StereoToMono
- MonoFadeOut
- StereoFadeOut
- MonoFadeIn
- StereoFadeIn
- StereoRpitxCompressor
- MonoRpitxCompressor
- MonoExponentialLPF
- StereoExponentialLPF
- MonoExponentialHPF
- StereoExponentialHPF
- MonoButterworthLPF
- StereoButterworthLPF
- MonoButterworthHPF
- StereoButterworthHPF
- MonoButterworthBPF
- StereoButterworthBPF
- MonoPreemphasis
- StereoPreemphasis
- MonoDeemphasis
- StereoDeemphasis
- Sine/MultiSine
- SquareOoscillator/MultiSquareoscillator
- Triangle/MultiTriangle
- Buffer
- RMSCalculator
- Decimator
- Interpolator
- DiscreteFourierTransform
- FastFourierTransform
- HilbertTransformer
- (data encoders/decoders, float to s[8-32]le)