Audio Help in Microphone input

Hello , i need help to modifie a script its about recording from microphone input and save it in temporary clip then put the audio clip in the audio source in the same gameobject , and the script that i have can Start a recording with the Space bar, and toggle playback of loops using the numbers keys, the first loop being number 1 , i want just 1 clip recorded then added to the audio source , then record again and replace the last clip recorded in the audiosource , some one help me please i need this script for school project (talkin character game like talking Tom ) thank you. (i took this script from here https://forum.unity.com/threads/rec...PBzv8hSeaCEsVnyjJ7G_PNKELcvrLKDC8b2PTkk0ziTMs)

Code (CSharp):

1. using UnityEngine;
2. using System.Collections.Generic;
3.  
4. public class CubeController : MonoBehaviour {
5.  
6. bool isRecording = true;
7. private AudioSource audioSource;
8.  
9. //temporary audio vector we write to every second while recording is enabled..
10. List<float> tempRecording = new List<float>();
11.  
12. //list of recorded clips...
13. List<float[]> recordedClips = new List<float[]>();
14.  
15. void Start()
16. {
17. audioSource = GetComponent<AudioSource>();
18. //set up recording to last a max of 1 seconds and loop over and over
19. audioSource.clip = Microphone.Start(null, true, 1, 44100);
20. audioSource.Play();
21. //resize our temporary vector every second
22. Invoke("ResizeRecording", 1);
23. }
24.  
25. void ResizeRecording()
26. {
27. if (isRecording)
28. {
29. //add the next second of recorded audio to temp vector
30. int length = 44100;
31. float[] clipData = new float[length];
32. audioSource.clip.GetData(clipData, 0);
33. tempRecording.AddRange(clipData);
34. Invoke("ResizeRecording", 1);
35. }
36. }
37.  
38. void Update()
39. {
40. //space key triggers recording to start...
41. if (Input.GetKeyDown("space"))
42. {
43. isRecording = !isRecording;
44. Debug.Log(isRecording == true ? "Is Recording" : "Off");
45.  
46. if (isRecording == false)
47. {
48. //stop recording, get length, create a new array of samples
49. int length = Microphone.GetPosition(null);
50.  
51. Microphone.End(null);
52. float[] clipData = new float[length];
53. audioSource.clip.GetData(clipData, 0);
54.  
55. //create a larger vector that will have enough space to hold our temporary
56. //recording, and the last section of the current recording
57. float[] fullClip = new float[clipData.Length + tempRecording.Count];
58. for (int i = 0; i < fullClip.Length; i++)
59. {
60. //write data all recorded data to fullCLip vector
61. if (i < tempRecording.Count)
62. fullClip[i] = tempRecording[i];
63. else
64. fullClip[i] = clipData[i - tempRecording.Count];
65. }
66.  
67. recordedClips.Add(fullClip);
68. audioSource.clip = AudioClip.Create("recorded samples", fullClip.Length, 1, 44100, false);
69. audioSource.clip.SetData(fullClip, 0);
70. audioSource.loop = true;
71.  
72. }
73. else
74. {
75. //stop audio playback and start new recording...
76. audioSource.Stop();
77. tempRecording.Clear();
78. Microphone.End(null);
79. audioSource.clip = Microphone.Start(null, true, 1, 44100);
80. Invoke("ResizeRecording", 1);
81. }
82.  
83. }
84.  
85. //use number keys to switch between recorded clips, start from 1!!
86. for (int i = 0; i < 10; i++)
87. {
88. if (Input.GetKeyDown("" + i))
89. {
90. SwitchClips(i-1);
91. }
92. }
93.  
94. }
95.  
96. //chooose which clip to play based on number key..
97. void SwitchClips(int index)
98. {
99. if (index < recordedClips.Count)
100. {
101. audioSource.Stop();
102. int length = recordedClips[index].Length;
103. audioSource.clip = AudioClip.Create("recorded samples", length, 1, 44100, false);
104. audioSource.clip.SetData(recordedClips[index], 0);
105. audioSource.loop = true;
106. audioSource.Play();
107. }
108. }
109.  
110.  
111. }