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The correct term is Azure AI Speech.
Azure AI Speech is a comprehensive service offering a range of speech-related capabilities, including real-time or asynchronous Speech to Text transcription, Text to Speech conversion into natural-sounding speech, and real-time Speech Translation. It is highly customizable, enabling the creation of custom voices, the addition of specific words to the base vocabulary, and the development of tailored models to meet unique requirements.
You can find more information about Azure AI Speech through: What is the Speech service?
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