loudnessMetadata

These elements describe the measured loudness of the programme or content.

Example

<loudnessMetadata loudnessMethod="ITU-R BS.1770" loudnessRecType="EBU R128" loudnessCorrectionType="file">
  <integratedLoudness>-24.0</integratedLoudness>
  <loudnessRange>12.5</loudnessRange>
  <maxTruePeak>-5.2</maxTruePeak>
  <maxMomentary>-9.9</maxMomentary>
  <maxShortTerm>-18.3</maxShortTerm>
</loudnessMetadata>

Elements

The loudnessMetata element contains these sub-elements and attributes:

Sub-element	Description	Type	Quantity
integratedLoudness	Integrated loudness value	float	0 or 1
loudnessRange	Loudness range	float	0 or 1
maxTruePeak	Maximum true-peak	float	0 or 1
maxMomentary	Maximum momentary loudness	float	0 or 1
maxShortTerm	Maximum short-term loudness	float	0 or 1
dialogLoudness	Loudness of the average dialogue	float	0 or 1

Attribute	Description	Type	Required
loudnessMethod	The method or algorithm used to calculate the loudness.	string	No
loudnessRecType	The RecType indicates which regional recommended practice was followed in the loudness correction of the audio.	string	No
loudnessCorrectionType	The correction type is used to indicate what correction the audio, for example, file-based or real-time.	string	No