AI BriefingComparing TTS (Text-to-Speech) and STT (Speech-to-Text)
Key point
This looks at the technical differences and use cases between TTS, which converts text into speech, and STT, which converts speech into text.
Details
TTS (Text-to-Speech) converts text into speech and is used in voice assistants for the visually impaired and e-books, while STT (Speech-to-Text) converts speech into text and is used for dictation and voice command services.
The key differences between the two technologies are as follows.
- Function: TTS is an output-focused technology that turns text into audible content, while STT is an input-focused technology that transcribes speech into text.
- Technical Approach: TTS implements intonation and rhythm through text analysis and speech synthesis, while STT requires speech recognition technology that can recognize various accents and patterns.
ElevenLabs offers advanced TTS technology that provides natural voice output, as well as STT technology based on the Scribe model, which supports 99 languages and converts audio/video into text.
The TTS process works by breaking text down into phonemes, the smallest units of sound, and then synthesizing them into digital speech through an AI algorithm.
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