noise_floor_tracker.h File Reference

#include "fl/stl/int.h"
#include "fl/stl/noexcept.h"

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Classes
class	fl::audio::NoiseFloorTracker
	NoiseFloorTracker maintains an adaptive estimate of the background noise floor for audio signals, with hysteresis to prevent "noise chasing" where the floor continuously adjusts to the signal level. More...
struct	fl::audio::NoiseFloorTracker::Stats
	Get current statistics (for monitoring/debugging) More...
struct	fl::audio::NoiseFloorTrackerConfig
	Configuration for noise floor tracking. More...

Namespaces
namespace	fl
	Base definition for an LED controller.
namespace	fl::audio

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Class Documentation

fl::audio::NoiseFloorTracker::Stats

struct fl::audio::NoiseFloorTracker::Stats

Class Members
float	currentFloor = 0.0f
bool	inHysteresis = false
float	maxObserved = 0.0f
float	minObserved = 0.0f
u32	samplesProcessed = 0

fl::audio::NoiseFloorTrackerConfig

struct fl::audio::NoiseFloorTrackerConfig

Class Members
float	attackRate = 0.001f	Attack rate for noise floor (0.0-1.0) How quickly the floor rises when signal is consistently low.
float	crossDomainWeight = 0.3f	Cross-domain calibration weight (0.0-1.0) Blends time-domain RMS and frequency-domain energy for floor estimation 0.0 = use only time-domain, 1.0 = use only frequency-domain.
float	decayRate = 0.99f	Decay rate for noise floor (0.0-1.0) Higher = slower decay (more stable, less responsive) Lower = faster decay (more responsive, less stable)
bool	enabled = true	Enable noise floor tracking.
float	hysteresisMargin = 100.0f	Hysteresis margin (prevents noise chasing) Floor must drop by this amount before it can rise again.
float	maxFloor = 5000.0f	Maximum floor value (prevents floor from growing unbounded)
float	minFloor = 10.0f	Minimum floor value (prevents floor from going to zero)