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I'm looking for an API that can convert speech to text in real time. Language requirement is English. Is there any such free API available?


Edit:

I'm sorry to not have mentioned this earlier. The application I'm developing is a JavaScript-based Windows 8.1 app. So I need something that would work there. I hope it would support what most modern browsers can.

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For Google Chrome 25 and later you can use the JavaScript Web Speech API:

Some interesting points from the documentation:

This specification was published by the Speech API Community Group. It is not a W3C Standard nor is it on the W3C Standards Track

The Web Speech API aims to enable web developers to provide, in a web browser, speech-input and text-to-speech output features that are typically not available when using standard speech-recognition or screen-reader software. The API itself is agnostic of the underlying speech recognition and synthesis implementation and can support both server-based and client-based/embedded recognition and synthesis. The API is designed to enable both brief (one-shot) speech input and continuous speech input. Speech recognition results are provided to the web page as a list of hypotheses, along with other relevant information for each hypothesis.

I don't know which other browsers implement this API.

  • Thank you. I'll give it a shot. – Ranveer Jul 5 '14 at 16:56

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