Enable and view digital patterns with color bars


Due to the Azure Media Services retirement announcement, Azure AI Video Indexer announces Azure AI Video Indexer features adjustments. See Changes related to Azure Media Service (AMS) retirement to understand what this means for your Azure AI Video Indexer account. See the Preparing for AMS retirement: VI update and migration guide.

This article shows how to enable and view digital patterns with color bars (preview).

You can view the names of the specific digital patterns. The timeline includes the following types:

  • Color bars
  • Test cards

This insight is most useful to customers involved in the movie post-production process.

View post-production insights

In order to set the indexing process to include the slate metadata, select the Video + audio indexing -> Advanced presets.

This image shows the advanced setting in order to view post-production clapperboards insights.

After the file has been uploaded and indexed, if you want to view the timeline of the insight, select the Post-production checkmark from the list of insights.

This image shows the post-production checkmark needed to view clapperboards.

View digital patterns insights

View the insight

To see the instances on the website, select Insights and scroll to Labels. The insight shows under Labels in the Insight tab.

This image shows the color bars under labels.

View the timeline

If you checked the Post-production insight, you can find the color bars instance and timeline under the Timeline tab.

This image shows the color bars under timeline.


To display the JSON file:

  1. Select Download and then Insights (JSON).
  2. Copy the framePatterns element, under insights, and paste it into your Online JSON Viewer.

This image shows the color bars json.

The following table describes fields found in json:

Name Description
id The digital pattern ID.
patternType The following types are supported: ColorBars, TestCards.
confidence The confidence level for color bar accuracy.
name The name of the element. For example, "SMPTE color bars".
displayName The friendly/display name.
thumbnailId The ID of the thumbnail.
instances A list of time ranges where this element appeared.


  • There can be a mismatch if the input video is of low quality (for example – old Analog recordings).
  • The digital patterns will be identified over the 10 min of the beginning and 10 min of the ending part of the video.