System and method for non-destructively normalizing loudness of audio signals within portable devices

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12183355
APP PUB NO 20240249738A1
SERIAL NO

18620081

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Abstract

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Many portable playback devices cannot decode and playback encoded audio content having wide bandwidth and wide dynamic range with consistent loudness and intelligibility unless the encoded audio content has been prepared specially for these devices. This problem can be overcome by including with the encoded content some metadata that specifies a suitable dynamic range compression profile by either absolute values or differential values relative to another known compression profile. A playback device may also adaptively apply gain and limiting to the playback audio. Implementations in encoders, in transcoders and in decoders are disclosed.

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Patent Owner(s)

Patent OwnerAddress
DOLBY LABORATORIES LICENSING CORPORATION1275 MARKET STREET SAN FRANCISCO CA 94103
DOLBY INTERNATIONAL ABAPOLLO BUILDING 3E HERIKERBERGWEG 1-35 AMSTERDAM ZUIDOOST 1101 CN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mundt, Harald Fürth, DE 53 539
Riedmiller, Jeffrey Novato, US 94 586
Schug, Michael Erlangen, DE 49 794
Wolters, Martin Nuremberg, DE 38 442

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