Which Azure Cognitive Services service should you use?

Your company manages a sports team.

The company sets up a video booth to record messages for the team.

Before replaying the messages on a video screen, you need to generate captions for the messages and check the sentiment of the video to ensure that only positive messages are played.

Which Azure Cognitive Services service should you use?
A . Language Understanding (LUIS)
B . Speaker Recognition
C . Custom Vision
D . Video Indexer

Answer: D

Explanation:

Video Indexer includes Audio transcription: Converts speech to text in 12 languages and allows extensions. Supported languages include English, Spanish, French, German, Italian, Mandarin Chinese, Japanese, Arabic, Russian, Portuguese, Hindi, and Korean.

When indexing by one channel, partial result for those models will be available, such as sentiment analysis: Identifies positive, negative, and neutral sentiments from speech and visual text.

Reference: https://docs.microsoft.com/en-us/azure/media-services/video-indexer/video-indexer-overview