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What's being sent?

AES/EBU data is send in Blocks which are comprised of 192 Frames. Each frame contains 2 Sub-Frames, each of which contains 32 bits of information. The layout goes like this :

Figure 8.39: The relationship of the structures of a Block, Frame and Sub-Frame.

The information in the sub-frame can be broken into two categories, the channel code and the source code, each of which comprises various pieces of information.

Table 8.1: The contents of the Channel Code and the Source Code

Code	Channel Code	Source Code
Contents	Preamble	Audio Sample
	Parity Bit	Auxiliary data
		Validity Bit
		User Bit
		Status Bit