AudioMeasurements
AudioMeasurements[audio,"prop"] computes the property "prop" for the entire audio.
AudioMeasurements[audio,{prop1,prop2,…}] computes several properties "propi".
AudioMeasurements[audio,"prop",format] returns the values in the specified output format.
AudioMeasurements[{audio1,audio2,…},…] returns measurements for all audioi.
AudioMeasurements[video,…] returns measurements for the first audio track in video.
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