Dolby Laboratories Licensing Corporation

James Stuart Cowdery

Michael A Grant

Scott Gregory Norcross

Sachin Nanda

Nisarg Vipul Shah

Audio data in a first format may be processed to produce audio data in a second format, which may be a reduced or simplified version of the first format. A loudness correction process may produce loudness-corrected audio data in the second format. A first power of the audio data in the second format and a second power of the loudness-corrected audio data in the second format may be determined. A second-format loudness correction factor for the audio data in the second format may be based, at least in part, on a power ratio between the first power and the second power. A first-format loudness correction factor for the audio data in the first format may be based, at least in part, on the power ratio and a power relationship between the audio data in the first format and the audio data in the second format.

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Moss Beach, CA, United States of America

James Stuart Cowdery