- _integrated_loudness = f.optional_number_child<float> ("IntegratedLoudness");
- _loudness_range = f.optional_number_child<float> ("LoudnessRange");
+ _integrated_loudness = f.optional_number_child<float>("IntegratedLoudness");
+ _loudness_range = f.optional_number_child<float>("LoudnessRange");
+
+ _analysis_gain = f.optional_number_child<double>("AnalysisGain");
+ _samples_per_point = f.number_child<int64_t>("SamplesPerPoint");
+ _sample_rate = f.number_child<int64_t>("SampleRate");