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Is there any way, by which we can convert speech to Text using iPhone SDK?

Justin
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RK-
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  • This is a duplicate of http://stackoverflow.com/questions/942312/iphone-app-add-voice-recognition and http://stackoverflow.com/questions/1118400/speech-recognition, among others. – Brad Larson Feb 16 '10 at 13:07

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Yes, if you are Google, Dragon, or Siri. The iPhone SDK does not provide any access to the iPhone 3GS's built-in voice recognition, which is apparently none too elaborate anyway. Your best bet is to find a web service to which you can upload audio clips for analysis.

Noah Witherspoon
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  • Thank you Noah. Is that the same case for Text to speech? – RK- Feb 16 '10 at 05:20
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    Yes. The article I linked to ("none too elaborate") explains how the speech synthesis API works; it's a little more robust, but is still not part of the public SDK. As such, using it, rather than a web-based text-to-speech service, will get your app rejected for use of a private API. – Noah Witherspoon Feb 17 '10 at 13:15
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http://cmusphinx.sourceforge.net/2010/05/vocalkit-shim-for-speech-recognition-on-iphone/

This looks promising.

theCerberus
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Krishnan ,This is Reply for your Comment Is that the same case for Text to speech?.

No there is Library called OpenEars by using this Library you may achieve the text to Speech functionality.

OpenEars

OpenEars is an open-source iOS library` for implementing round-trip English language speech recognition and text-to-speech on the iPhone and iPad.

You should take a look of this library.

Kamar Shad
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As of iOS 10 (not released yet), Apple has their own speech recognition API.

https://developer.apple.com/reference/speech/sfspeechrecognizer

Jordan Smith
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