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METADATA FOR LOUDNESS AND DYNAMIC RANGE CONTROL

  • US 20170201219A1
  • Filed: 01/27/2017
  • Published: 07/13/2017
  • Est. Priority Date: 03/29/2013
  • Status: Active Grant
First Claim
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1. A method for encoding audio signal, comprising:

  • applying an audio normalization gain value to an audio signal to produce a normalized signal; and

    thenprocessing the normalized signal to compute a plurality of dynamic range control (DRC) gain values for the normalized signal, wherein the DRC gain values are computed in accordance with a selected one of a plurality of pre-defined DRC characteristics;

    encoding the audio signal; and

    providing the DRC gain values as metadata associated with the encoded audio signal.

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