dynamic_range_global()

MAYAFLUX_API double MayaFlux::dynamic_range_global

(

const std::vector< Kakshya::DataVariant > &

channels

)

Calculate dynamic range across all channels (global min/max)

Parameters

channels

Vector of channel data

Returns

Single dynamic range value in dB across all channels

Definition at line 194 of file Yantra.cpp.

{
    auto data = Yantra::OperationHelper::extract_numeric_data(channels);
    double global_min = std::numeric_limits<double>::max();
    double global_max = std::numeric_limits<double>::lowest();
 
    for (const auto& span : data) {
        auto [min_it, max_it] = std::ranges::minmax_element(span);
        if (min_it != span.end()) {
            global_min = std::min(global_min, *min_it);
            global_max = std::max(global_max, *max_it);
        }
    }
 
    if (global_min <= 0.0 || global_max <= 0.0) {
        return 0.0;
    }
    return 20.0 * std::log10(global_max / std::abs(global_min));
}

References MayaFlux::Yantra::OperationHelper::extract_numeric_data().

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