AI-102 Question #292: Real Exam Question with Answer & Explanation

Question

You are building an internet-based training solution. The solution requires that a user's camera and microphone remain enabled. You need to monitor a video stream of the user and detect when the user asks an instructor a question. The solution must minimize development effort. What should you include in the solution?

Options

• Aspeech-to-text in the Azure AI Speech service
• Blanguage detection in Azure AI Language Service
• Cthe Face service in Azure AI Vision
• Dobject detection in Azure AI Custom Vision

Explanation

To detect when a user asks a question from a video stream with minimal development effort, the Azure AI Speech service's speech-to-text capability is the most suitable solution.

Common mistakes.

• B. Language detection in Azure AI Language service identifies the natural language of text (e.g., English, Spanish) but does not analyze the content to determine if a question has been asked.
• C. The Face service in Azure AI Vision analyzes facial attributes and emotions from video, which is irrelevant to detecting spoken questions from audio.
• D. Object detection in Azure AI Custom Vision identifies physical objects within images or video frames and does not process audio or understand spoken language.

Concept tested. Speech-to-text for question detection

Reference. https://learn.microsoft.com/en-us/azure/ai-services/speech-service/speech-to-text

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