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What is Dialog Normalization?

April 26, 2017dialog Normalization

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What is Dialog Normalization?

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19. The Dialogue Normalization parameter within the Dolby Digital stream, also known as Dialogue Level or “dialnorm,” provides a relative amplitude value to the decoder or set top box. Dialogue Normalization adjusts the audio to a predetermined replay loudness level. Dialogue Normalization aids in level matching between program content and media types, such as DVD, DTV, DBS, et cetera. Setting the Dialogue Normalization parameter is crucial to the proper operation of Dolby Digital decoders.