Ask HN: Are there any free APIs that do speech transcription?

4 points by fatbat ↗ HN
Like how Google Voice and Twilio offers Speech->Text on their services.

I have yet to find a API that does this. Is there a reason this is not available yet? Cost issues?

I suppose piggybacking of Twilio's API is the closest I found but it looks that feature cost $.05/min. :\",

5 comments

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So I continued my search and veered into iOS integrations which I should have mentioned was my initial intention.

This may interest some,

http://www.politepix.com/openears/ (free + does not need network) http://cmusphinx.sourceforge.net/

I think that no-network piece is vital since alot of the solutions require a ping to the server because of sheer vocabulary limitation. Hope that helps!

Speech->Text conversion is really harder than simple Voice Recognition. There are not a lot of companies doing this right now the most famous being Nuance and Google of course. Nuance has been acquiring a lot of companies the last three years that were doing a lot of improvements to the technologies (SVOX, VLingo, etc.) and powers Siri technology.