spectral_centroid() [2/2]

MAYAFLUX_API double MayaFlux::spectral_centroid	(	const std::vector< double > &	data,
		double	sample_rate = 48000.0
	)

Find spectral centroid (brightness measure) for single-channel data.

Parameters

data	Input signal data
sample_rate	Sample rate for frequency calculation (default: 48000 Hz)

Returns

Spectral centroid in Hz

Definition at line 443 of file Yantra.cpp.

{
    auto a = std::make_shared<Yantra::StandardEnergyAnalyzer>();
    a->set_energy_method(Yantra::EnergyMethod::SPECTRAL);
    a->set_parameter("sample_rate", sample_rate);
    auto result = a->analyze_energy({ Kakshya::DataVariant(data) });
    return result.channels.empty() ? 0.0 : result.channels[0].mean_energy;
}

References a, and MayaFlux::Yantra::SPECTRAL.