tone recog map

import UIKit
import Speech

class ViewController: UIViewController, SFSpeechRecognizerDelegate {

    private let audioEngine = AVAudioEngine()
    private let speechRecognizer: SFSpeechRecognizer? = SFSpeechRecognizer()
    private var recognitionRequest: SFSpeechAudioBufferRecognitionRequest?
    private var recognitionTask: SFSpeechRecognitionTask?
    private let audioSession = AVAudioSession.sharedInstance()

    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Request user authorization for speech recognition
        SFSpeechRecognizer.requestAuthorization { authStatus in
            if authStatus == .authorized {
                // Start listening for specific tone or sound
                self.startListening()
            }
        }
    }

    func startListening() {
        let inputNode = audioEngine.inputNode
        
        // Setup audio format for the recognition request
        let recordingFormat = inputNode.outputFormat(forBus: 0)
        inputNode.installTap(onBus: 0, bufferSize: 1024, format: recordingFormat) { (buffer, _) in
            self.recognitionRequest?.append(buffer)
        }
        
        audioEngine.prepare()
        
        do {
            try audioEngine.start()
        } catch {
            print("Audio engine couldn't start because of an error.")
        }
        
        // Start speech recognition
        recognitionRequest = SFSpeechAudioBufferRecognitionRequest()
        
        guard let recognitionRequest = recognitionRequest else { fatalError("Unable to create recognition request") }
        
        recognitionTask = speechRecognizer?.recognitionTask(with: recognitionRequest, resultHandler: { (result, error) in
            if let result = result {
                // Process speech result
                let bestTranscription = result.bestTranscription
                let spokenText = bestTranscription.formattedString
                // Extract relevant information from spokenText
                // Launch map program with extracted data
                self.launchMapProgram(with: spokenText)
            } else if let error = error {
                print("Recognition task error: \(error)")
            }
        })
    }

    func launchMapProgram(with data: String) {
        // Launch map program and insert data
        // Code to integrate with map program
    }
}