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Data Event tables [ATSC Syntax]

Data Event tables (DETs) support the announcement of a data service that doesn't include an audio-video event and allows separate announcement of the data service portion of an audio or audio-video event associated with a data event.

packetization characteristics
packet idunique pidt_s_ca_f_cp_u_s_ipointer_fieldlisted in MGT
per MGTper K-number'00''01'True0-182By k-number
maximums
ms per sectionsections per
DET-k instance		instances per
virtual channel		bytes per
section
500 (rec.,DET-0)
2000 (rec, DET-1)		25614096
section syntax
syntaxbit index# of bitsmnemonic
table_id08203 / 0xCB
section_syntax_indicator81'1'
private_indicator91'1'
reserved102'11'
section_length1212uimsbf
source_id2416uimsbf
reserved402bslbf
version_number425uimsbf
current_next_indicator471'1'
section_number488uimsbf
last_section_number568uimsbf
protocol_version64 80 / 0x00
num_data_in_section728uimsbf
for i = 1 to num_data_in_section
  reserved802'11'
  data_id8214uimsbf
  start_time9632uimsbf
  reserved1282'11'
  ETM_location1302bssbf
  length_in_seconds13220uimsbf
  title_length1528uimsbf
  title_text160varAuimsbf
  reserved 4'1111'
  descriptors_length 12uimsbf
  descriptor() varB 
next
CRC_32 32rpchof
Table section legend
Note: bit index is only indicated for the first time through a single loop of a subsection.
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