Update real-time-transcription.md

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Author: valindrae

articles/communication-services/concepts/call-automation/real-time-transcription.md

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 # Generating real-time transcripts
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 Real-time transcriptions are a crucial component in any major business for driving improved customer service experience. Powered by Azure Communication Services and Azure AI Services integration, developers can now use real-time transcriptions through Call Automation SDKs.