How to synthesize user voice into string by nsspeechsynthesizer in ios7

StackOverflow https://stackoverflow.com/questions/21357861

  •  02-10-2022
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Question

I would to convert user voice to a string by using nsspeechsynthesizer or other ios7 way. I can only find a way to do the opposite.

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Solution

The NSSpeechSynthesizer class only exists on OS X.

iOS 7 introduced AVSpeechSynthesizer and related classes. But as the name suggests, these are for synthesizing speech — text to speech — not recognizing it (speech to text).

iOS provides no system API for the latter, but there are several third party speech recognition systems available that you could search for.

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