detect_silence() [2/2]

MAYAFLUX_API std::vector< std::pair< size_t, size_t > > MayaFlux::detect_silence	(	const std::vector< double > &	data,
		double	threshold = 0.01,
		size_t	min_silence_duration = 1024
	)

Detect silence regions in single-channel data.

Parameters

data	Input data
threshold	Silence threshold (amplitude, default: 0.01)
min_silence_duration	Minimum silence length in samples (default: 1024)

Returns

Vector of (start, end) silence regions

Definition at line 959 of file Yantra.cpp.

{
    auto extractor = std::make_shared<Yantra::FeatureExtractor<>>();
    extractor->set_extraction_method(Yantra::ExtractionMethod::SILENCE_DATA);
    extractor->set_parameter("silence_threshold", threshold);
    extractor->set_parameter("min_duration", static_cast<uint32_t>(min_silence_duration));
 
    Yantra::IO<std::vector<Kakshya::DataVariant>> input { { Kakshya::DataVariant(data) } };
    auto result = extractor->apply_operation(input);
 
    std::vector<std::pair<size_t, size_t>> silence_regions;
    auto window_positions_opt = result.template get_metadata<std::vector<std::pair<size_t, size_t>>>("window_positions");
    if (window_positions_opt.has_value()) {
        silence_regions = window_positions_opt.value();
    }
 
    return silence_regions;
}

References MayaFlux::Yantra::SILENCE_DATA.

Referenced by detect_silence_per_channel().

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