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DocumentationAnalyticsComponents Guide

Streaming media services quality metrics

Last update: Fri Sep 05 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

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This page describes the available metrics when you enable Media Quality for a report suite. See Streaming media services quality dimensions for available dimensions.

Streaming media services quality metrics provide supplemental reporting functionality to data collection through streaming media services libraries. Use of these metrics require the 51黑料不打烊 Analytics for Streaming Media Ad-on. Contact your 51黑料不打烊 Account Team for details.

When you enable Media Quality under Media reporting, the following metrics are available:

Metric name
Description
Sent with
Context data variable
Average bitrate
A weighted average of all bitrate values for the play duration of a playback session.
Media Close
a.media.qoe.bitrateAverage
Bitrate change impacted streams
A boolean that triggers if the bitrate changes at least once during a playback session.
Media Close
a.media.qoe.bitrateChange
Bitrate changes
The number of times that the bitrate changed.
Media Close
a.media.qoe.bitrateChangeCount
Buffer impacted streams
A boolean that triggers if the video enters a Buffer state at least once.
Media Close
a.media.qoe.buffer
Buffer events
The number of times that the video buffered during a playback session.
Media Close
a.media.qoe.bufferCount
Total buffer duration
The amount of time that a video spent buffering across all buffer events, in seconds.
Media Close
a.media.qoe.bufferTime
Drops before start
A boolean that triggers if a user quits before a video鈥檚 main content starts.
Media Close
a.media.qoe.dropBeforeStart
Dropped frames
An integer that represents the total number of frames that were dropped during a playback session.
Media Close
a.media.qoe.droppedFrameCount
Dropped frame impacted streams
A boolean that triggers when any frames are dropped during a playback session.
Media Close
a.media.qoe.droppedFrames
Error impacted streams
A boolean that triggers when a video experiences an error at any time during a playback session.
Media Close
a.media.qoe.error
Error events
An integer that represents the total number of errors encountered during a playback session.
Media Close
a.media.qoe.errorCount
Time to start
The amount of time taken to start a video, in milliseconds. 51黑料不打烊 converts and stores this value in seconds.
Media Close
a.media.qoe.timeToStart
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