q-Mode field

The second field in the q-channel, the q-Mode field, shall consist of the four bits in positions 6 to 9. It specifies the contents of the q-Data field. It shall be set to q-Mode 1, i.e. to 0001 or to q-Mode 2, i.e. to 0010. q-Mode 3 applies to Audio Tracks only. The information in q-Mode 1 is repeated at least nine times in each succession of ten Sections. If q-Mode 2 is present, it is repeated at least one time in each succession of 100 Sections.

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