C# 用C语言录制来自麦克风和扬声器的音频#
我正在构建一个应用程序,将麦克风和扬声器中的音频录制到文件(.wav)中。我希望我的应用程序将数据从麦克风和扬声器写入同一个合并文件。我很难同时保存合并的文件。它只为麦克风节省了时间 这是我的代码:C# 用C语言录制来自麦克风和扬声器的音频#,c#,naudio,C#,Naudio,我正在构建一个应用程序,将麦克风和扬声器中的音频录制到文件(.wav)中。我希望我的应用程序将数据从麦克风和扬声器写入同一个合并文件。我很难同时保存合并的文件。它只为麦克风节省了时间 这是我的代码: using NAudio.Wave; using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.
using NAudio.Wave;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace Test_Recorder
{
public partial class Form2 : Form
{
private WaveIn recorder;
private BufferedWaveProvider bufferedWaveProvider;
private SavingWaveProvider savingWaveProvider;
private WaveOut player;
public Form2()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
StartRecording();
}
private void button2_Click(object sender, EventArgs e)
{
StopRecording();
}
public void StartRecording()
{
// set up the recorder
recorder = new WaveIn();
//recorder = new WasapiLoopbackCapture();
//recorder = new WaveIn();
recorder.DataAvailable += RecorderOnDataAvailable;
// set up our signal chain
bufferedWaveProvider = new BufferedWaveProvider(recorder.WaveFormat);
savingWaveProvider = new SavingWaveProvider(bufferedWaveProvider, Guid.NewGuid() + ".wav");
// set up playback
player = new WaveOut();
player.Init(savingWaveProvider);
player.Volume = 1;
// begin playback & record
player.Play();
recorder.StartRecording();
}
public void StopRecording()
{
// stop recording
recorder.StopRecording();
// stop playback
player.Stop();
// finalise the WAV file
savingWaveProvider.Dispose();
}
private void RecorderOnDataAvailable(object sender, WaveInEventArgs waveInEventArgs)
{
bufferedWaveProvider.AddSamples(waveInEventArgs.Buffer, 0, waveInEventArgs.BytesRecorded);
}
private void button3_Click(object sender, EventArgs e)
{
//rec.BeginRecording();
Form3 frm = new Form3();
this.Hide();
frm.Show();
}
}
class SavingWaveProvider : IWaveProvider, IDisposable
{
private readonly IWaveProvider sourceWaveProvider;
private readonly WaveFileWriter writer;
private bool isWriterDisposed;
public SavingWaveProvider(IWaveProvider sourceWaveProvider, string wavFilePath)
{
this.sourceWaveProvider = sourceWaveProvider;
writer = new WaveFileWriter(wavFilePath, sourceWaveProvider.WaveFormat);
}
public int Read(byte[] buffer, int offset, int count)
{
var read = sourceWaveProvider.Read(buffer, offset, count);
if (count > 0 && !isWriterDisposed)
{
writer.Write(buffer, offset, read);
}
if (count == 0)
{
Dispose(); // auto-dispose in case users forget
}
return read;
}
public WaveFormat WaveFormat { get { return sourceWaveProvider.WaveFormat; } }
public void Dispose()
{
if (!isWriterDisposed)
{
isWriterDisposed = true;
writer.Dispose();
}
}
}
}
如何将扬声器和麦克风保存到同一个文件中?首先,您不能将两个数据流保存到一个已打开的文件中。您需要创建两个独立的内存流,并使用一些奇特的魔法dll将它们连接起来:),然后您可以使用StreamWriter或其他文件写入方法将这一个内存流保存到文件中 为了省去你的谷歌搜索,我发现这段代码可能会帮你解决你的问题,除此之外
再来一个提示。更好的做法是使用“using”子句,然后调用Dispose。最简单的方法可能是将两者保存到单独的文件中,然后在录制后使用
MixingSampleProvider将它们混合在一起。如果两者都以相同的波形格式(采样率、位深度、通道计数)记录,这将是最简单的方法。感谢您的回复。你能给我一个示例代码吗。这对我来说是件好事。提前谢谢。