{"version":"1.0","type":"card","id":"d191d2ca-392b-4c21-87ed-ddfcf936304d","url":"https://stacklist.com/card/d191d2ca-392b-4c21-87ed-ddfcf936304d","title":"TTS and STT: The Building Blocks of Voice AI","source_url":"https://blogs.voicegenie.ai/text-to-speech-vs-speech-to-text","note":"Text-to-speech and speech-to-text explained side by side: what each does, where accuracy differs, and why understanding both matters when evaluating voice AI for your business.","image":{"url":"https://ucarecdn.com/ab53d8e5-7d3c-41d4-bbf3-9ddf58d47c9f/","alt":"TTS and STT: The Building Blocks of Voice AI","width":7822,"height":5217},"stack":{"id":"113d3a73-bc75-49dd-8ebb-8daadd1734b8","title":"Voice AI 101","url":"https://stacklist.com/c/technology/stack/113d3a73-bc75-49dd-8ebb-8daadd1734b8"},"created_at":"2026-07-20T09:13:45.788Z","updated_at":null,"aco":{"summary":"TTS (text-to-speech) and STT (speech-to-text) are the foundational technologies behind voice AI solutions, enabling natural conversations between humans and machines. This blog post explains how each technology works, their key differences in accuracy and use cases, and how they combine to power AI voicebots like VoiceGenie.","tags":["text-to-speech","speech-to-text","voice-ai","machine-learning","voicebots","natural-language-processing","voice-assistants"],"key_entities":[{"name":"Text-to-Speech (TTS)","type":"technology","confidence":0.99},{"name":"Speech-to-Text (STT)","type":"technology","confidence":0.99},{"name":"Siri","type":"technology","confidence":0.95},{"name":"Alexa","type":"technology","confidence":0.95},{"name":"VoiceGenie","type":"technology","confidence":0.9},{"name":"Voice AI","type":"concept","confidence":0.95},{"name":"Machine Learning","type":"concept","confidence":0.9},{"name":"Deep Learning","type":"concept","confidence":0.8},{"name":"IVR","type":"technology","confidence":0.85}],"classification":"analysis","language":"en","confidence":0.85,"provenance":{"model":"claude-opus-4-6","tool":"@stacklist/mcp-server@2.0.0","confidence":0.85,"timestamp":"2026-07-20T09:14:09.096Z"},"token_counts":{"approximate":1055,"cl100k":818},"content_hash":"sha256:94693b3916b5daa775acfcbc51dc5cb0810421ea1acaf31f88c4325e4afb55ad","acp_version":"0.2","body_available":true,"body_tokens":1055,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/d191d2ca-392b-4c21-87ed-ddfcf936304d.json","html":"https://stacklist.com/card/d191d2ca-392b-4c21-87ed-ddfcf936304d","md":"/api/public/card/d191d2ca-392b-4c21-87ed-ddfcf936304d.md","stack_json":"/api/public/stack/113d3a73-bc75-49dd-8ebb-8daadd1734b8.json"}}