Using the ARIB Di
splays
Figure 9: ARIB TR-B.23 (2) display (with the associated ARIB Status display)
The decoded ancillary data includes the following:
DID - Data Identifier of the requested packet; permissible values range from 1 to 0xFF (255) inclusive.
Type - Type of the ANC Data packet. For ARIB TR-B.23-2, this is always a Type 2 packet (DID less than 0x80), as
defined by SMPTE 291M. The actual value (with par ity bits added) is displayed in parentheses.
SDID - Secondary Data Identifier of the requested packet; permissible values range from 0 through 0xFF (255) inclusive.
This field only appears when a Type 2 packet is selected
(see above). The actual value (with parity bits added) is
displayed in parentheses.
DC - D ata Count word of the acquired packet. The number of User Data words is displayed in decimal. The actual value
(with parity bits added) is displayed in parenthesis, in hexadecimal.
Field - The field of the video from which the packet was acquired. For progressive formats, 1 is displayed.
Line - T he line of the v ideo (within the field) from which the packet was acquired.
Stream - For HD (SMPTE 292M), indicates whether the ancillary packet was acquired from the Y or C data s treams.
For SD, N/A is displayed.
Status - Indicates whether packet(s) of the desired type are present in the video; also indicates Checksum or CRC errors.
82 Waveform Rasterizers Quick Start User Manual
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