Patent ID: 8861927

Claim:
In a digital media system, a method of decoding audio data, the method comprising: obtaining audio data encoded in a format for storing audio data on a computer-readable optical storage disk, the obtained audio data arranged in a plurality of frames each having a fixed size, wherein the obtained audio data has been transcoded from an intermediate format, and wherein each of the plurality of frames comprises a plurality of chunks associated with the intermediate format, the plurality of chunks comprising: an audio data chunk comprising a first chunk type field that identifies the audio data chunk; a metadata chunk comprising a second chunk type field that identifies the metadata chunk; a synchronization chunk comprising a synchronization pattern element, a length field indicating an offset to the beginning of a previous synchronization pattern element, and a third chunk type field that identifies the synchronization chunk; a time stamp chunk comprising time stamp data and a fourth chunk type field that identifies the time stamp chunk; and a cyclic redundancy check chunk comprising cyclic redundancy check data and a fifth chunk type field that identifies the cyclic redundancy check chunk; and decoding the obtained audio data.