iOS Question Capture audio data from microphone


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Is there a way in B4i to capture the microphone wave data directly in a int or byte array? In B4A we have the very good solution with the audiostreamer and the event RecordBuffer in the Audio or AudioRecord library.

It is very importent for any form of noice or frequency analysis. There are already some iPhone apps like intrument tuners, so it should be possible in iOS. But how to access the mircophone data in B4i?