Patent ID: 8417100

Claim:
A method of decoding an audio signal, the method comprising: receiving the audio signal having a plurality of random access units, at least one of the plurality of random access units including one or more frames and at least one of the frames being a random access frame, the random access frame being a frame encoded such that previous frames are not necessary to decode the random access frame; reading location information from the audio signal, the location information indicating whether random access unit size information is stored or not in the audio signal, if the random access unit size information is stored, the location information further indicating a location where the random access unit size information is stored in the audio signal; reading random access unit size information according to the location information, the random access unit size information indicating a distance between random access frames in bytes; and decoding the random access units based on the random access size information, wherein the location information indicates that the random access unit size information is stored either in the configuration information of the audio signal or in the associated random access frame of the audio signal.