SMPTE ST 425-1 AMD 1 PDF

The purpose of this amendment is to add an additional provision which defines Time Code mapping into the Level A section. Numbers of the Mapping Structure are also added into the Table 13 of the Level B-DL section.

This amendment also modifies the provisions which define the data and ancillary data mappings of the Level B-DL to clarify the accordance with SMPTE ST 372.

This amendment also adds the note into the Level B-DL section to clarify the maximum number of audio channels that varies in accordance with the video format and the video frame rate.

Change instructions are shown in italics. Inserted text is shown thus. Deleted text is shown