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
Stats
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Jan 8, 2019
Grant Date -
Jan 11, 2018
app pub date -
Sep 25, 2017
filing date -
Sep 24, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
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.
First Claim
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International Classification(s)
- 2017 Application Filing Year
- H04S Class
- 652 Applications Filed
- 508 Patents Issued To-Date
- 77.92 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- H04S Class
- 0 % this patent is cited more than
- 6 Age
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