Signal Processing C++ utilities
SSBD is an efficient Single Sideband demodulator.
Upsampler efficiently upsamples by a power of 2.
Lowpass implements a Lowpass filter. Used by SSBD.
AutoScaleAF auto-scales audio frequency samples. This is used to dynamically scale digital samples from an ADC to make best use of dynamic range, without clipping, when writing to an audio device.