ATSC A/331 Schema Repository

ATSC A/331 Schema Repository

The following is a list of the schemas described by the A/331 Signaling, Delivery, Synchronization, and Error Protection standard.

These schema and example files were published as part of the published standard on 04/03/2024.

A zip file containing all schema and example files is provided here.

[ICO]NameLast modifiedSizeDescription
[PARENTDIR]Parent Directory  -  
[ ]A331-Schemas-2025-09-10.zip2025-09-26 20:19 186K 
[ ]AEAT-1.0-20210322.xsd2025-09-26 20:10 6.3K 
[ ]AEAT-Example-20210322.xml2025-09-26 20:10 1.0K 
[ ]AEAT-example-school-lockdown-update-20210322.xml2025-09-26 20:10 1.7K 
[ ]AEAT-example-subgroup-20210322.xml2025-09-26 20:10 1.2K 
[ ]AEAT-example-tornado-alert-bilingual-20210322.xml2025-09-26 20:10 2.4K 
[ ]AEAT-example-traffic-newsdesk-alert-20210322.xml2025-09-26 20:10 1.7K 
[ ]APD-1.0-20170209.xsd2025-09-26 20:10 869  
[ ]APD-Example-20170209.xml2025-09-26 20:10 428  
[ ]ATSC-META-1.0-20190122.xsd2025-09-26 20:10 393  
[ ]ContentRating-20211208.abnf2025-09-26 20:10 836  
[ ]ContentRating-Example-20211208.abnf2025-09-26 20:10 57  
[ ]DWD-1.0-20180830.xsd2025-09-26 20:10 1.6K 
[ ]DWD-Example1-20180830.xml2025-09-26 20:10 408  
[ ]DWD-Example2-20180830.xml2025-09-26 20:10 1.0K 
[ ]DWD-Example3-20180830.xml2025-09-26 20:10 911  
[ ]EFDT-Example-20211208.xml2025-09-26 20:10 1.3K 
[ ]EFDT-Example-20230714.xml2025-09-26 20:10 1.4K 
[ ]HELD-1.0-20210312.xsd2025-09-26 20:10 2.2K 
[ ]HELD-Example1-20210312.xml2025-09-26 20:10 444  
[ ]HELD-Example2-20210312.xml2025-09-26 20:10 1.6K 
[ ]META-Example-20210127.xml2025-09-26 20:10 691  
[ ]MMTUSD-1.0-20210401.xsd2025-09-26 20:10 6.1K 
[ ]MMTUSD-Example-20210401.xml2025-09-26 20:10 1.7K 
[ ]MakeContentAdvisoryString-20210402.xsl2025-09-26 20:10 760  
[ ]ONSCREEN-1.0-20210401.xsd2025-09-26 20:10 1.4K 
[ ]ONSCREEN-Example-20210401.xml2025-09-26 20:10 446  
[ ]ROUTEUSD-1.0-20170920.xsd2025-09-26 20:10 2.6K 
[ ]ROUTEUSD-Example-20170920.xml2025-09-26 20:10 783  
[ ]ROUTE_SLS-OTT-delivery-Triveni-SegmentTimeline-fixed-MPD.xml2025-09-26 20:10 3.8K 
[ ]RRT-1.0-20210128.xsd2025-09-26 20:10 2.8K 
[ ]RRT-Example-20210128.xml2025-09-26 20:10 776  
[ ]ReadMe.docx2025-09-26 20:10 15K 
[ ]RepairFlow-Example1-20210420.xml2025-09-26 20:10 644  
[ ]RepairFlow-Example1-20220708.xml2025-09-26 20:10 644  
[ ]RepairFlow-Example2-20210420.xml2025-09-26 20:10 890  
[ ]RepairFlow-Example2-20220708.xml2025-09-26 20:10 890  
[ ]RepairFlow-Example3-20210420.xml2025-09-26 20:10 1.1K 
[ ]RepairFlow-Example3-20220708.xml2025-09-26 20:10 1.1K 
[ ]RepairFlow-Example4-20210420.xml2025-09-26 20:10 647  
[ ]RepairFlow-Example4-20220708.xml2025-09-26 20:10 647  
[ ]RepairFlow-Example5-20210420.xml2025-09-26 20:10 672  
[ ]RepairFlow-Example5-20220708.xml2025-09-26 20:10 672  
[ ]S-TSID-1.0-20210411.xsd2025-09-26 20:10 9.1K 
[ ]S-TSID-1.0-20220708.xsd2025-09-26 20:10 9.2K 
[ ]S-TSID-1.0-20230714.xsd2025-09-26 20:10 9.4K 
[ ]S-TSID-Example-20210428.xml2025-09-26 20:10 2.5K 
[ ]S-TSID-Example-20220708.xml2025-09-26 20:10 2.6K 
[ ]S-TSID-Example-20230714.xml2025-09-26 20:10 2.6K 
[ ]S33-645r2-FDT-Enhancement-Schema.zip2025-09-26 20:10 4.3K 
[ ]S33-784R10-WD-A331-Amd-Time-npp075-CodecStrings.docx2025-09-26 20:10 215K 
[ ]SA-1.0-20210312.xsd2025-09-26 20:10 12K 
[ ]SA-ContentAdvisoryRatings-Example-20211208.xml2025-09-26 20:10 724  
[ ]SLT-1.0-20211209.xsd2025-09-26 20:10 7.4K 
[ ]SLT-1.0-20250604.xsd2025-09-26 20:10 8.3K 
[ ]SLT-Example-20211209.xml2025-09-26 20:10 1.2K 
[ ]SLT-Example-20250606.xml2025-09-26 20:10 1.4K 
[ ]SLT-Example2-20211209.xml2025-09-26 20:10 3.3K 
[ ]SLT-Example3-20211209.xml2025-09-26 20:10 1.4K 
[ ]SYSTIME-1.0-20211208.xsd2025-09-26 20:10 1.3K 
[ ]SYSTIME-Example-20211208.xml2025-09-26 20:10 414  
[ ]UserAgentString-20211208.abnf2025-09-26 20:10 1.9K 
[ ]UserAgentString-Example-20211208.abnf2025-09-26 20:10 66  
[ ]lat-long-20250925.abnf2025-09-26 20:12 1.7K 
ATSC A/331 Schema Repository
Copyright © 2020-2024 Advanced Television Systems Committee, All rights reserved.