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I am looking for some free speech recognition engines to use in my iphone application... can you suggest any?

Ankit Srivastava
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    Just a thought - you might want to wait until October 4th when the next iPhone is announced before starting any development on speech recognition stuff. There's a lot of rumors that Apple may be announcing speech recognition hidden in iOS5 - which could potentially come with developer API access if the rumors are true. – Jordan Smith Sep 29 '11 at 12:03
  • @Jordan these rumors also indicate that Nuance is the partner bringing the voice recognition. Having a look at my answer below might be a good starting point if these rumors are going to be truth. – tilo Sep 29 '11 at 13:01
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    possible duplicate of [iPhone speech recognition API?](http://stackoverflow.com/questions/1121548/iphone-speech-recognition-api) – Brad Larson Sep 29 '11 at 17:52
  • See also [Speech Recognition](http://stackoverflow.com/questions/1118400/speech-recognition) – Brad Larson Sep 29 '11 at 17:53

2 Answers2

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Nuance just opened the doors for developers to the Dragon Mobile SDK (they are industry-leaders). have a look at NDEV Mobile

tilo
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  • Did anyone else go through the registration process, click the link on the e-mail only to get taken back to the ' signup now ' page? (ie I think this is broken) – P i Sep 29 '11 at 12:15
  • I think i experienced the same. Just try to log in with your user credentials and it should work as expected. – tilo Sep 29 '11 at 12:17
  • At least the "Silver Service" is: http://dragonmobile.nuancemobiledeveloper.com/public/index.php?task=memberServices – tilo Aug 24 '12 at 07:35
  • Nuance is not free, it has a 90 day trial period and then requires you pay tiered pricing – Matt Feb 02 '13 at 21:32
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There are a couple of wrappers of the Sphinx speech recognition engine (http://cmusphinx.sourceforge.net/) available for iOS

https://github.com/KingOfBrian/VocalKit

Through reading his summary you can see he is actually pointing people towards http://www.politepix.com/openears

P i
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