sound.h File Reference

Interface for the physical components of the microphone. More...

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Classes
struct	lampda::physical::microphone::SoundStruct
	Handle the analysis of a sound sample. This structure handled the FastFourrier analysis of a sound sample, sound strenght, sound most active frequency, ... More...

Namespaces
namespace	lampda
	Program scope.
namespace	lampda::physical
	Handle the physical modules drivers.
namespace	lampda::physical::microphone
	Handle the microphone physical interface.

Functions
bool	lampda::physical::microphone::enable ()
	Start the microphone data analysis, if not already started.
void	lampda::physical::microphone::disable ()
	Disable the microphone data analysis, if its running.
void	lampda::physical::microphone::disable_after_non_use ()
	disable microphone if last used a target time ago
SoundStruct &	lampda::physical::microphone::get_sound_characteristics ()
	Compute and process sound data.

Variables
constexpr float	lampda::physical::microphone::silenceLevelDb = 30.0
	Decibel level for a silent room.
constexpr float	lampda::physical::microphone::highLevelDb = 80.0
	Microphone is not good enough at after this.
constexpr float	lampda::physical::microphone::desiredoutput = 0.5f
	Desired output of the auto gain (0-1)
constexpr int16_t	lampda::physical::microphone::gainedSignalTarget = INT16_MAX * desiredoutput
	Desired output of the auto gain (0-INT16_MAX)

Detailed Description

Interface for the physical components of the microphone.