DocumentationAnalyticsStreaming media services guide

Closed captioning total duration

Last update: May 15, 2026

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This page covers the Closed captioning total duration reporting metric. See Closed captioning for how to collect this variable.

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The Closed captioning total duration metric reports the cumulative time, in seconds, that captions were enabled during a session. The backend sums every interval between a caption-enable state-start and the matching state-end event.

How this metric is calculated

The media backend sums elapsed time across all caption-enabled intervals during the session. The metric is reported on the close call. Analysis Workspace shows the value as HH:MM:SS; Data Feeds, Data Warehouse, and Reporting APIs show the value in seconds.

Reporting system
Source
Adobe Analytics
Automatically collected from context data a.media.states.closedcaptioning.time when Player State Tracking is enabled.
Customer Journey Analytics
mediaReporting.states[] entry where name = "closedCaptioning", field time
Data feeds
event_list, post_event_list (see event.tsv lookup)
Audience Manager
c_contextdata.a.media.states.closedcaptioning.time
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