What’s the difference between TTS and STT in AI audio tools?

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What’s the difference between TTS and STT in AI audio tools?

Asked on Sep 09, 2025

Answer

TTS (Text-to-Speech) and STT (Speech-to-Text) are two fundamental technologies in AI audio tools, each serving distinct purposes. TTS converts written text into spoken audio, allowing applications to read text aloud, while STT transcribes spoken language into written text, enabling voice commands and transcription services.

Example Concept: TTS technology is used to synthesize human-like speech from text input, often customizable with different voices and accents. STT, on the other hand, involves recognizing spoken words and converting them into text, which is crucial for applications like virtual assistants and automated transcription services.

Additional Comment:

TTS is commonly used in applications like audiobooks, virtual assistants, and accessibility tools.
STT is essential for voice recognition systems, enabling hands-free control and real-time transcription.
Both technologies often leverage deep learning models to improve accuracy and naturalness.
Many AI platforms offer APIs for integrating TTS and STT functionalities into applications.

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