AI Fundamentals

Text-to-Speech (TTS)

Synthesis of natural-sounding speech from text. Modern systems (ElevenLabs, OpenAI TTS, Google Gemini TTS) support voice cloning, emotion, and streaming. Combined with STT + LLM, TTS closes the loop for voice-AI applications.

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Speech-to-Text (STT)
Automatic transcription of audio into text. Modern systems (Whisper, Deepgram, AssemblyAI, ElevenLabs) run near-real-time with speaker diarization and cross-language support. STT is the front of most voice-AI pipelines feeding an LLM downstream.

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Text-to-Speech (TTS) is part of the AI Fundamentals vocabulary used in the Generative AI Maturity Framework. See the full glossary for the complete set of 149 defined terms, or take the free maturity assessment to see where your organisation stands.

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