AVAudioEngine inputNode installTap crash when restarting recording

Question

I am implementing Speech Recognition in my app. When I first present the view controller with the speech recognition logic, everything works fine. However, when I try presen

Answer 1

You can replace this code:

let recordingFormat = node.outputFormat(forBus: 0)

with the following:

let recordingFormat = AVAudioFormat(standardFormatWithSampleRate: 44100, channels: 1)

This code fixed the problem.