C# 录制语音 保存成mp3格式 并播放

【实例截图】

【核心代码】

    public partial class AudioMsgForm : Form
    {
        private int fileIndex;
        private AudioFileMaker audioFileMaker = new AudioFileMaker();
        private IAudioPlayer audioPlayer;
        private IMicrophoneCapturer microphoneCapturer = CapturerFactory.CreateMicrophoneCapturer(0);
        private Byte[] audioData = new byte[0];

        public string StorePath
        {
            get
            {
                return String.Format("语音备忘\\AudioMsg{0}.ad", this.fileIndex);
            }
        }

        public AudioMsgForm()
        {
            InitializeComponent();
            this.microphoneCapturer.AudioCaptured  = new ESBasic.CbGeneric<byte[]>(microphoneCapturer_AudioCaptured);
            this.audioPlayer = PlayerFactory.CreateAudioPlayer(0, this.microphoneCapturer.SampleRate, this.microphoneCapturer.ChannelCount);

            if(!Directory.Exists("语音备忘"))
            {
                Directory.CreateDirectory("语音备忘");
            }           

            string[] fileName = Directory.GetFiles("语音备忘");
            foreach (string name in fileName)
            {
                this.fileIndex  ;
            }
        }

        void microphoneCapturer_AudioCaptured(byte[] data)
        {
            this.audioData = BufferJointer.Joint(this.audioData, data);
            this.decibelDisplayer1.DisplayAudioData(data);          
        }     

        private void button_start_Click(object sender, EventArgs e)
        {
            this.microphoneCapturer.Start();

            this.label_notify.Text = "正在录音！";
            this.label_notify.ForeColor = Color.Red;
            this.button_start.Enabled = false;
            this.button_stop.Enabled = true;
        }

        private void button_stop_Click(object sender, EventArgs e)
        {
            this.microphoneCapturer.Stop();
            File.WriteAllBytes(this.StorePath, this.audioData);
          
                this.label_notify.Text = "录音完成！";
                this.label_notify.ForeColor = Color.Blue;
                this.LoadAduioFileList();
                this.button_start.Enabled = true;
                this.button_stop.Enabled = false;      
               
                this.fileIndex  ;
                return;
                 
        }

        private void toolStripButton1_Click(object sender, EventArgs e)
        {
            if (String.IsNullOrEmpty(this.toolStripComboBox1.SelectedText))
            {
                MessageBox.Show("请选择列表中的一项！");
                this.toolStripComboBox1.DroppedDown = true;
                return;
            }
            this.audioPlayer.Play(File.ReadAllBytes("语音备忘\\"   this.toolStripComboBox1.SelectedText));
        }      

        private void AudioMsgForm_Shown(object sender, EventArgs e)
        {
            this.LoadAduioFileList();
            this.button_stop.Enabled = false;
        }

        private void LoadAduioFileList()
        {
            this.toolStripComboBox1.Items.Clear();
            string[] fileName = Directory.GetFiles("语音备忘");
            foreach (string name in fileName)
            {
                string shortName = name.Substring(name.LastIndexOf("\\")   1, name.Length - 1 - name.LastIndexOf("\\"));
                this.toolStripComboBox1.Items.Add(shortName);
            }
        }

        private void toolStripButton2_Click(object sender, EventArgs e)
        {
            if (String.IsNullOrEmpty(this.toolStripComboBox1.SelectedText))
            {
                MessageBox.Show("请选择列表中的一项！");
                this.toolStripComboBox1.DroppedDown = true;
                return;
            }
            if (!Directory.Exists("mp3目录"))
            {
                Directory.CreateDirectory("mp3目录");         
            }  
                     
            string path= String.Format("mp3目录\\{0}.mp3", Path.GetFileNameWithoutExtension(this.toolStripComboBox1.SelectedText));            
            this.audioFileMaker.Initialize(path, this.microphoneCapturer.SampleRate, this.microphoneCapturer.ChannelCount);
            this.audioFileMaker.AddAudioFrame(File.ReadAllBytes("语音备忘\\"   this.toolStripComboBox1.SelectedText));
            this.audioFileMaker.Close(true);

            DialogResult dialogResult = MessageBox.Show("转存成功，是否打开目录查看？", "提醒", MessageBoxButtons.YesNo);
            if (dialogResult == System.Windows.Forms.DialogResult.Yes)
            {
                Process.Start("explorer.exe", "mp3目录");                
            }
        }        
    }