SDTFilters.h: Audio filters

Modules
	One pole filter
	Allpass filter
	Envelope follower
	Two poles filter
	Cascade of biquadratic sections
	Moving average
	Delay line
	Comb filter
	Digital waveguide

Detailed Description

Various commonly used LTI systems: filters, delay lines, circular buffers, waveguides and so on. Extensively used in many other SDT modules.