Basic unit to store one frame (up to 1152 samples) of audio data.

Member of Guided Audio Frame

Audio Header	4...46 bit
for each channel:         Allocation	? bit
for each subband:         Channel Matrixing	? bit
for each channel:         Scale Factors	? bit
for each channel:         for each subband:                 Subband Samples	? bit
Byte Filler	0...7 bit

The size of an audio frame must be determine by it's contents. It must not depend on contents of previous frames.

The audio output of an audio frame must not depend on the contents of following frames and on the contents of previous frames with an distance of more than 38 (previous = 1).