@Yuji Tomita (JP) Welcome to Microsoft Q&A Forum, Thank you for posting your query here!
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Firstly, there is no such licensing needed for Azure AI Video Indexer. Below are the Pre-reqyuisistes:
Prerequisites
- An Azure subscription (free trial or Paid)
- At the subscription level, either the Owner role, or both Contributor and User Access Administrator roles
Video Indexer can be used with two types of subscriptions:
Free trial account: up to 10 hours of free indexing for website users, and up to 40 hours of free indexing for API users.
Paid unlimited account: for larger scale indexing, create a new Video Indexer account connected to a paid Microsoft Azure subscription.
Pricing is based on the duration of the input file. Indexing is charged for audio analysis, video analysis, or both.
How to create an Azure Video Indexer and use it, is explained in this article:
https://learn.microsoft.com/en-us/azure/azure-video-indexer/create-account?tabs=portal#create-an-account
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Hope this helps. If you have any follow-up questions, please let me know. I would be happy to help.
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