VoiceRecognition

VoiceRecognitionMethod.swift

recognitionRequest = SFSpeechAudioBufferRecognitionRequest()
        
let inputNode = self.getInputNode()
guard let recognitionRequest = recognitionRequest else { fatalError("Unable to created a SFSpeechAudioBufferRecognitionRequest object") }

// Configure request so that results are returned before audio recording is finished
recognitionRequest.shouldReportPartialResults = true

let recognizer = SFSpeechRecognizer(locale: Locale(identifier: (self.localeIdentifier)!))

recognizer?.recognitionTask(with: recognitionRequest, delegate: self)

let recordingFormat = inputNode.outputFormat(forBus: 0)
inputNode.installTap(onBus: 0, bufferSize: 1024, format: recordingFormat) { (buffer: AVAudioPCMBuffer, when: AVAudioTime) in
    self.recognitionRequest?.append(buffer)
}

audioEngine.prepare()
try audioEngine.start()