NSIP Law
Audio metadata providing apparatus and method, and multichannel audio data playback apparatus and method to support dynamic format conversion
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 a writer of multichannel audio data into a second format that is based on a playback environment of the multichannel audio data and that are set for each of 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 with the second format.
Kyonggi University Industry & Academia Cooperation Foundation Electronics and Telecommunications Research Institute
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H04S H04S H04S G10L H04S G10L
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Seok Jin Tae Jin Jae Hyoun
Lee Lee Yoo