Multichannel mixing

Description

Utilities for stereo/multichannel mixing operations.

Files
file	mix.h

Classes
class	signalsmith::mix::StereoMultiMixer< Sample, channels >
	Upmix/downmix a stereo signal to an (even) multi-channel signal. More...

Topics
	Orthogonal matrices
	Some common matrices used for audio.

Functions
template<typename Sample, typename Result>
void	signalsmith::mix::cheapEnergyCrossfade (Sample x, Result &toCoeff, Result &fromCoeff)
	A cheap (polynomial) almost-energy-preserving crossfade Maximum energy error: 1.06%, average 0.64%, curves overshoot by 0.3% See: http://signalsmith-audio.co.uk/writing/2021/cheap-energy-crossfade/.

Function Documentation

cheapEnergyCrossfade()

template<typename Sample, typename Result>

void signalsmith::mix::cheapEnergyCrossfade	(	Sample	x,
		Result &	toCoeff,
		Result &	fromCoeff )

A cheap (polynomial) almost-energy-preserving crossfade Maximum energy error: 1.06%, average 0.64%, curves overshoot by 0.3% See: http://signalsmith-audio.co.uk/writing/2021/cheap-energy-crossfade/.