MayaFlux 0.1.0
Digital-First Multimedia Processing Framework
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◆ zero_crossing_rate_per_channel()

MAYAFLUX_API std::vector< double > MayaFlux::zero_crossing_rate_per_channel ( const std::vector< Kakshya::DataVariant > &  channels,
size_t  window_size = 0 
)

Calculate zero crossing rate per channel for multi-channel data.

Parameters
channelsVector of channel data
window_sizeAnalysis window size (0 = whole signal)
Returns
Vector of zero crossing rates, one per channel

Definition at line 371 of file Yantra.cpp.

372{
373 auto analyzer = std::make_shared<Yantra::StandardEnergyAnalyzer>();
374 analyzer->set_energy_method(Yantra::EnergyMethod::ZERO_CROSSING);
375 if (window_size > 0) {
376 analyzer->set_window_parameters(window_size, window_size / 2);
377 }
378 auto result = analyzer->analyze_energy(channels);
379
380 std::vector<double> rates;
381 for (const auto& channel : result.channels) {
382 rates.push_back(channel.mean_energy);
383 }
384 return rates;
385}

References MayaFlux::Yantra::ZERO_CROSSING.