NAudio
NAudio官网
环境
Unity2019.4.34f1c1
Window10
NAudio 1.10 .Net 3.5
录制音频
WaveInEvent类可录制音频
- StartRecording方法 启用录制
- StopRecording方法 停止录制
- DataAvailable 录制中回调
- RecordingStopped 录制结束回调
WaveFileWriter类可存储音频
Write方法可存储音频
检测麦克风设备数量
WaveIn.DeviceCount 返回音频捕获设备数量
注意
台式电脑，可能需要插入耳机才可以启用麦克风
示例
- 检测到麦克风，显示开始录制按钮
- 点击开始录制按钮，显示停止录制按钮
- 点击停止录制按钮，回到步骤1
using NAudio.Wave;
using System;
using System.IO;
using UnityEngine;public class RecordNAudio : MonoBehaviour
{bool recording;string outputFolder;string outputFilePath{get{return Path.Combine(outputFolder, DateTime.Now.ToString("yyyyMMddHHmmss") + ".wav");}}WaveInEvent waveIn;WaveFileWriter writer;private void Awake(){recording = false;outputFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "NAudio");if (!Directory.Exists(outputFolder))Directory.CreateDirectory(outputFolder);waveIn = new WaveInEvent();waveIn.DataAvailable += Recording;waveIn.RecordingStopped += RecordingStopped;writer = null;}private void OnGUI(){if (recording == false){if (WaveIn.DeviceCount > 0){if (GUILayout.Button("开始录制")){writer = new WaveFileWriter(outputFilePath, waveIn.WaveFormat);waveIn.StartRecording();recording = true;}}elseGUILayout.Label("无法启用麦克风，请在主机上插入耳机,尝试启用麦克风"); }else{if (GUILayout.Button("停止录制")){waveIn.StopRecording();recording = false;}}}private void Recording(object sender, WaveInEventArgs e){if (writer != null)writer.Write(e.Buffer, 0, e.BytesRecorded);}private void RecordingStopped(object sender, StoppedEventArgs e){if (writer != null)writer.Dispose();writer = null;waveIn.Dispose();}
}
（二）)
