#include <cstdint>

Namespaces
namespace	audio_tools
	Generic Implementation of sound input and output for desktop environments using portaudio.

Macros
#define	FIXED_POINT

#define	FLOAT_HALF {16384, 0}

#define	FLOAT_ONE {32767, 0}

#define	FLOAT_ZERO {0, 0}

#define	M_PI 3.14159265358979323846

#define	PLAYBACK_DELAY 2

#define	TWO_PATH

Macro Definition Documentation

◆ FIXED_POINT

#define FIXED_POINT

Enable fixed-point arithmetic for embedded systems When defined, uses integer math instead of floating-point for better performance on processors without FPU.

◆ FLOAT_HALF

#define FLOAT_HALF {16384, 0}

Fixed-point half constant (Q15 format: 16384, exp 0)

◆ FLOAT_ONE

#define FLOAT_ONE {32767, 0}

Fixed-point one constant (Q15 format: 32767, exp 0)

◆ FLOAT_ZERO

#define FLOAT_ZERO {0, 0}

Fixed-point zero constant (Q15 format)

◆ M_PI

#define M_PI 3.14159265358979323846

Mathematical constant Pi (3.14159265358979323846)

◆ PLAYBACK_DELAY

#define PLAYBACK_DELAY 2

Playback buffer delay in frames (2) Number of frames to buffer the playback signal before processing with the captured signal. This compensates for typical system latencies.

◆ TWO_PATH

#define TWO_PATH

Enable two-path filter for improved double-talk robustness When enabled, the echo canceller maintains both a foreground and background filter, allowing it to better handle situations where near-end and far-end speech occur simultaneously (double-talk).

Namespaces

Macros