spectral_centroid_per_channel()

MAYAFLUX_API std::vector< double > MayaFlux::spectral_centroid_per_channel	(	const std::vector< Kakshya::DataVariant > &	channels,
		double	sample_rate = 48000.0
	)

Find spectral centroid per channel for multi-channel data.

Parameters

channels	Vector of channel data
sample_rate	Sample rate for frequency calculation (default: 48000 Hz)

Returns

Vector of spectral centroids in Hz, one per channel

Definition at line 461 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(channels);
    std::vector<double> centroids;
 
    centroids.reserve(result.channels.size());
    for (const auto& ch : result.channels)
        centroids.push_back(ch.mean_energy);
 
    return centroids;
}

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