Audio metadata providing apparatus and method, and multichannel audio data playback apparatus and method to support dynamic format conversion

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United States of America Patent

PATENT NO 9774974
SERIAL NO

14851913

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Abstract

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An audio metadata providing apparatus and method and a multichannel audio data playback apparatus and method to support a dynamic format conversion are provided. Dynamic format conversion information may include information about a plurality of format conversion schemes that are used to convert a first format set by an author of multichannel audio data into a second format that is based on a playback environment of the multichannel audio data and that are each set for corresponding playback periods of the multichannel audio data. The audio metadata providing apparatus may provide audio metadata including the dynamic format conversion information. The multichannel audio data playback apparatus may identify the dynamic format conversion information from the audio metadata, may convert the first format of the multichannel audio data into the second format based on the identified dynamic format conversion information, and may play back the multichannel audio data in the second format.

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Patent Owner(s)

Patent OwnerAddress
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE218 GAJEONG-RO YUSEONG-GU DAEJEON 34129
KYONGGI UNIVERSITY INDUSTRY & ACADEMIA COOPERATION FOUNDATION154-42 GWANGGYOSAN-RO YEONGTONG-GU SUWON-SI GYEONGGI-DO 16227

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lee, Seok Jin Seoul, KR 28 122
Lee, Tae Jin Daejeon, KR 276 1581
Yoo, Jae Hyoun Daejeon, KR 38 310

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