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Azure AI Services (formerly Cognitive Services) are pre-trained models that you can call in your .NET code via simple REST APIs.
- **Vision:** Face recognition, OCR (reading text from images), and content moderation.
- **Speech:** Real-time transcription (Speech-to-Text) and natural-sounding voices (Text-to-Speech).
- **Language:** Sentiment analysis, translation, and key-phrase extraction.
This is a 'must-know' for enterprise architects. It uses AI to extract structured data (tables, key-value pairs) from PDFs and scans. You can train it on your own forms (e.g., invoices, tax returns) with just 5-10 examples. It's much more reliable than traditional OCR.
Q: "Should I use pre-trained models or build my own?"
Architect Answer: "Always start with **Pre-trained Services**. They represent billions of dollars in R&D and work instantly. Only move to 'Custom Machine Learning' (Azure Machine Learning) if your problem is highly specialized and these services can't achieve your required accuracy."
Quizzes linked to this course—pass to earn certificates.
On this page
1. Key Pillars 2. Form Recognizer (Document AI) 3. Architect Insight