Class DolbyDigitalLoudnessControl

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DolbyDigitalLoudnessControl

Constructors

Properties

dialnorm?: number

Dialogue Normalization value to be set on the bitstream metadata. Required if the mode is PASSTHROUGH, or if the mode is CORRECTION and regulationType is MANUAL. For all other combinations dialnorm must not be set.

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DolbyDigitalLoudnessControl

dialogueIntelligence?: DolbyDigitalDialogueIntelligence

This may only be set if the mode is PASSTHROUGH, or if the mode is CORRECTION and regulationType is MANUAL. For all other combinations dialogueIntelligence must not be set.

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DolbyDigitalLoudnessControl

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DolbyDigitalLoudnessControl

peakLimit?: number

The peak value in dB to use for loudness correction. This may only be set if the mode is PASSTHROUGH, or if the mode is CORRECTION and regulationType is MANUAL. For all other combinations peakLimit must not be set.

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DolbyDigitalLoudnessControl

This is only allowed if the mode is CORRECTION.

<th colspan=4 align="left"> Predefined values for each regulation type:
Regulation Type EBU R128 ATSC A/85 Fixed ATSC A/85 Agile
Limit Mode True Peak True Peak True Peak
Correction Mode PCM Normalization PCM Normalization Metadata Update
Peak Limit –3 dBTP –2 dBTP N/A
Dialogue Intelligence Off On On
Meter Mode ITU-R BS.1770-3 ITU-R BS.1770-3 ITU-R BS.1770-3
Speech Threshold 20 20 20
Dialogue Normalization -23 dB -24 dB Set to measured loudness

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DolbyDigitalLoudnessControl