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Iphone - How can I read the microphone input?

How can I read audio data from a microphone? I do not want to record and then access the data, I want to have access to live audio input?

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You can record sound (PCM samples) from the microphone to very short memory buffers (at least a few milliseconds). This is as close to live as using the iOS API. Check out the aurioTouch example for low-latency recording AudioUnit RemoteIO, with real-time analysis and display.

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Check out this link:

http://code.google.com/p/ios-coreaudio-example/

Microphone capture and speaker playback.

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Source: https://habr.com/ru/post/1762105/

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