ATSC A/344 Schema Repository

ATSC A/344 Schema Repository

The following is a list of the schemas described by the A/344 Interactive Environment standard or candidate standard.

These schema and example files were published as part of the candidate standard on 08/25/2026.

The examples can be found in the examples folder.

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

[ICO]NameLast modifiedSizeDescription
[PARENTDIR]Parent Directory  -  
[ ]a344-schemas-cs-20260512.zip2026-08-25 21:16 123K 
[ ]cancel-request.json2026-08-25 21:16 680  
[ ]cancel-response.json2026-08-25 21:16 1.2K 
[DIR]examples/2026-08-25 21:16 -  
[ ]org.atsc.CacheRequest-request.json2026-08-25 21:16 837  
[ ]org.atsc.CacheRequest-response.json2026-08-25 21:16 869  
[ ]org.atsc.CacheRequestDASH-request.json2026-08-25 21:16 1.2K 
[ ]org.atsc.CacheRequestDASH-response.json2026-08-25 21:16 883  
[ ]org.atsc.acquire.service-request.json2026-08-25 21:16 696  
[ ]org.atsc.acquire.service-response.json2026-08-25 21:16 944  
[ ]org.atsc.asset.selection-request.json2026-08-25 21:16 1.1K 
[ ]org.atsc.asset.selection-response.json2026-08-25 21:16 1.2K 
[ ]org.atsc.assetLinkResolution-request.json2026-08-25 21:16 1.8K 
[ ]org.atsc.assetLinkResolution-response.json2026-08-25 21:16 1.2K 
[ ]org.atsc.audioVolume-request.json2026-08-25 21:16 972  
[ ]org.atsc.audioVolume-response.json2026-08-25 21:16 915  
[ ]org.atsc.cache.markUnused-request.json2026-08-25 21:16 841  
[ ]org.atsc.cache.markUnused-response.json2026-08-25 21:16 937  
[ ]org.atsc.clearFilterCodes-request.json2026-08-25 21:16 707  
[ ]org.atsc.clearFilterCodes-response.json2026-08-25 21:16 969  
[ ]org.atsc.dialogEnhancement-request.json2026-08-25 21:16 831  
[ ]org.atsc.dialogEnhancement-response.json2026-08-25 21:16 1.2K 
[ ]org.atsc.drmOperation-request.json2026-08-25 21:16 791  
[ ]org.atsc.drmOperation-response.json2026-08-25 21:16 888  
[ ]org.atsc.eventStream.event-notification.json2026-08-25 21:16 1.1K 
[ ]org.atsc.eventStream.subscribe-request.json2026-08-25 21:16 849  
[ ]org.atsc.eventStream.subscribe-response.json2026-08-25 21:16 838  
[ ]org.atsc.eventStream.unsubscribe-request.json2026-08-25 21:16 767  
[ ]org.atsc.eventStream.unsubscribe-response.json2026-08-25 21:16 788  
[ ]org.atsc.graphicsDisplayRegions-request.json2026-08-25 21:16 729  
[ ]org.atsc.graphicsDisplayRegions-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.launchApp-request.json2026-08-25 21:16 771  
[ ]org.atsc.launchApp-response.json2026-08-25 21:16 827  
[ ]org.atsc.notify-DRM.json2026-08-25 21:16 752  
[ ]org.atsc.notify-alertingChange.json2026-08-25 21:16 1.5K 
[ ]org.atsc.notify-assetLinkResolution.json2026-08-25 21:16 1.5K 
[ ]org.atsc.notify-audioAccessibilityPref.json2026-08-25 21:16 1.6K 
[ ]org.atsc.notify-captionDisplayPrefs.json2026-08-25 21:16 2.6K 
[ ]org.atsc.notify-captionState.json2026-08-25 21:16 721  
[ ]org.atsc.notify-contentChange.json2026-08-25 21:16 805  
[ ]org.atsc.notify-contentRecoveryStateChange.json2026-08-25 21:16 1.2K 
[ ]org.atsc.notify-dialogEnhancementLimitChange.json2026-08-25 21:16 1.0K 
[ ]org.atsc.notify-dialogEnhancementPrefChange.json2026-08-25 21:16 815  
[ ]org.atsc.notify-displayOverrideChange.json2026-08-25 21:16 833  
[ ]org.atsc.notify-langPref.json2026-08-25 21:16 1.6K 
[ ]org.atsc.notify-ratingBlock.json2026-08-25 21:16 758  
[ ]org.atsc.notify-recoveredComponentInfoChange.json2026-08-25 21:16 1.0K 
[ ]org.atsc.notify-requestKeyTimeout.json2026-08-25 21:16 1.1K 
[ ]org.atsc.notify-rfSignalChange.json2026-08-25 21:16 1.2K 
[ ]org.atsc.notify-rmpMediaAssetChange.json2026-08-25 21:16 3.0K 
[ ]org.atsc.notify-rmpMediaTimeChange.json2026-08-25 21:16 2.5K 
[ ]org.atsc.notify-rmpPlaybackRateChange.json2026-08-25 21:16 760  
[ ]org.atsc.notify-rmpPlaybackStateChange.json2026-08-25 21:16 796  
[ ]org.atsc.notify-serviceChange.json2026-08-25 21:16 777  
[ ]org.atsc.notify-serviceGuideChange.json2026-08-25 21:16 1.3K 
[ ]org.atsc.notify-signalingData.json2026-08-25 21:16 2.3K 
[ ]org.atsc.notify-xlinkResolution.json2026-08-25 21:16 828  
[ ]org.atsc.prepSvcChange-request.json2026-08-25 21:16 934  
[ ]org.atsc.prepSvcChange-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.query.alerting-request.json2026-08-25 21:16 786  
[ ]org.atsc.query.alerting-response.json2026-08-25 21:16 1.4K 
[ ]org.atsc.query.announcementTimeLimit-request.json2026-08-25 21:16 591  
[ ]org.atsc.query.announcementTimeLimit-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.query.audioAccessibilityPref-request.json2026-08-25 21:16 598  
[ ]org.atsc.query.audioAccessibilityPref-response.json2026-08-25 21:16 1.6K 
[ ]org.atsc.query.baseURI-request.json2026-08-25 21:16 547  
[ ]org.atsc.query.baseURI-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.query.cacheUsage-request.json2026-08-25 21:16 532  
[ ]org.atsc.query.cacheUsage-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.query.captionDisplay-request.json2026-08-25 21:16 572  
[ ]org.atsc.query.captionDisplay-response.json2026-08-25 21:16 2.1K 
[ ]org.atsc.query.cc-request.json2026-08-25 21:16 554  
[ ]org.atsc.query.cc-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.query.contentRecoveryState-request.json2026-08-25 21:16 571  
[ ]org.atsc.query.contentRecoveryState-response.json2026-08-25 21:16 1.5K 
[ ]org.atsc.query.deviceInfo-request.json2026-08-25 21:16 714  
[ ]org.atsc.query.deviceInfo-response.json2026-08-25 21:16 2.3K 
[ ]org.atsc.query.dialogEnhancementPref-request.json2026-08-25 21:16 586  
[ ]org.atsc.query.dialogEnhancementPref-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.query.displayComponents-request.json2026-08-25 21:16 574  
[ ]org.atsc.query.displayComponents-response.json2026-08-25 21:16 1.6K 
[ ]org.atsc.query.displayOverride-request.json2026-08-25 21:16 552  
[ ]org.atsc.query.displayOverride-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.query.languages-request.json2026-08-25 21:16 548  
[ ]org.atsc.query.languages-response.json2026-08-25 21:16 1.5K 
[ ]org.atsc.query.ratingLevel-request.json2026-08-25 21:16 546  
[ ]org.atsc.query.ratingLevel-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.query.recoveredComponentInfo-request.json2026-08-25 21:16 582  
[ ]org.atsc.query.recoveredComponentInfo-response.json2026-08-25 21:16 1.9K 
[ ]org.atsc.query.rmpMediaTime-request.json2026-08-25 21:16 530  
[ ]org.atsc.query.rmpMediaTime-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.query.rmpPlaybackRate-request.json2026-08-25 21:16 542  
[ ]org.atsc.query.rmpPlaybackRate-response.json2026-08-25 21:16 950  
[ ]org.atsc.query.rmpPlaybackState-request.json2026-08-25 21:16 546  
[ ]org.atsc.query.rmpPlaybackState-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.query.rmpUTCTime-request.json2026-08-25 21:16 526  
[ ]org.atsc.query.rmpUTCTime-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.query.service-request.json2026-08-25 21:16 524  
[ ]org.atsc.query.service-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.query.serviceGuideUrls-request.json2026-08-25 21:16 695  
[ ]org.atsc.query.serviceGuideUrls-response.json2026-08-25 21:16 1.5K 
[ ]org.atsc.query.signaling-request.json2026-08-25 21:16 1.1K 
[ ]org.atsc.query.signaling-response.json2026-08-25 21:16 2.0K 
[ ]org.atsc.relinquish.keys-request.json2026-08-25 21:16 905  
[ ]org.atsc.relinquish.keys-response.json2026-08-25 21:16 944  
[ ]org.atsc.request.keys-request.json2026-08-25 21:16 817  
[ ]org.atsc.request.keys-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.scale-position-request.json2026-08-25 21:16 1.0K 
[ ]org.atsc.scale-position-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.setFilterCodes-request.json2026-08-25 21:16 959  
[ ]org.atsc.setFilterCodes-response.json2026-08-25 21:16 1.0K 
[ ]org.atsc.setRMPURL-request.json2026-08-25 21:16 1.0K 
[ ]org.atsc.setRMPURL-response.json2026-08-25 21:16 930  
[ ]org.atsc.subscribe-request.json2026-08-25 21:16 3.8K 
[ ]org.atsc.subscribe-response.json2026-08-25 21:16 2.0K 
[ ]org.atsc.track.selection-request.json2026-08-25 21:16 691  
[ ]org.atsc.track.selection-response.json2026-08-25 21:16 956  
[ ]org.atsc.unsubscribe-request.json2026-08-25 21:16 1.2K 
[ ]org.atsc.unsubscribe-response.json2026-08-25 21:16 1.4K 
[ ]org.atsc.xlinkResolution-request.json2026-08-25 21:16 1.4K 
[ ]org.atsc.xlinkResolution-response.json2026-08-25 21:16 1.2K 
ATSC Schema Repository

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