estimate_pitch() [1/2]

MAYAFLUX_API double MayaFlux::estimate_pitch	(	const Kakshya::DataVariant &	data,
		double	sample_rate,
		double	min_freq,
		double	max_freq
	)

Definition at line 771 of file Yantra.cpp.

{
    auto energy_analyzer = std::make_shared<Yantra::StandardEnergyAnalyzer>();
    energy_analyzer->set_energy_method(Yantra::EnergyMethod::HARMONIC);
    energy_analyzer->set_parameter("sample_rate", sample_rate);
    energy_analyzer->set_parameter("min_freq", min_freq);
    energy_analyzer->set_parameter("max_freq", max_freq);
    auto result = energy_analyzer->analyze_energy({ data });
 
    return result.channels.empty() ? 0.0 : result.channels[0].mean_energy * sample_rate / 1000.0;
}

References MayaFlux::Yantra::HARMONIC.