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Assets/Convai/Scripts/Runtime/UI/SettingsPanel/MicrophoneManager.cs

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+using System;
+using UnityEngine;
+
+namespace Convai.Scripts.Utils
+{
+    public class MicrophoneManager
+    {
+        /// <summary>
+        ///     Singleton instance of the MicrophoneTestController.
+        /// </summary>
+        public static MicrophoneManager Instance
+        {
+            get
+            {
+                if(_instance == null)
+                {
+                    _instance = new MicrophoneManager();
+                }
+                return _instance;
+            }
+        }
+
+        /// <summary>
+        ///     Private Instance of the Singleton
+        /// </summary>
+        private static MicrophoneManager _instance;
+
+        /// <summary>
+        ///     Keeps track on the selected microphone device index
+        /// </summary>
+        private int _selectedMicrophoneIndex;
+
+        /// <summary>
+        ///     Public Getter for Selected Microphone Name
+        /// </summary>
+        public string SelectedMicrophoneName
+        {
+            get
+            {
+                if(_selectedMicrophoneIndex < 0 || _selectedMicrophoneIndex >= Microphone.devices.Length) return string.Empty;
+                return Microphone.devices[_selectedMicrophoneIndex];
+            }
+        }
+
+        /// <summary>
+        /// Event indicating that the selected Microphone has changed.
+        /// </summary>
+        public event Action<string> OnMicrophoneDeviceChanged;
+
+        private MicrophoneManager()
+        {
+            _selectedMicrophoneIndex = UISaveLoadSystem.Instance.SelectedMicrophoneDeviceNumber ;
+        }
+
+        /// <summary>
+        ///     Called when the selected microphone device is changed.
+        /// </summary>
+        public void SetSelectedMicrophoneIndex(int selectedMicrophoneDeviceValue)
+        {
+            _selectedMicrophoneIndex = selectedMicrophoneDeviceValue;
+            OnMicrophoneDeviceChanged?.Invoke(SelectedMicrophoneName);
+        }
+
+
+        /// <summary>
+        ///     Returns whether any microphone is present in the system or not
+        /// </summary>
+        /// <returns></returns>
+        public bool HasAnyMicrophoneDevices() => Microphone.devices.Length != 0;
+    }
+}