以前写过一个点对点的语音对讲，说下思路
发送端 音频采集 -- 音频编码 -- 网络传输
接受端 网络接收 -- 音频解码 -- 音频输出
需要要的话联系我，编码我直接用网上找的一个 LumiSoft 音频编码用的G.711
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using LumiSoft.Media.Wave;
using LumiSoft.Media.Wave.Native;
using LumiSoft.Net.Media.Codec.Audio;
using System.Net;
using System.Net.Sockets;
using System.Threading;
namespace testAudio
{
public partial class Form1 : Form
{
private WaveIn m_waveIn = null;
private WaveOut m_waveOut = null;
private Socket socket = null;
private IPEndPoint localEP = null;
private IPEndPoint remoteEP = null;
private AudioCodec m_audioCodec = null;
private bool m_bAlive = true;
public Form1()
{
InitializeComponent();
m_audioCodec = new G711_alaw();
localEP = new IPEndPoint(IPAddress.Any, 15888);
remoteEP = new IPEndPoint(IPAddress.Parse("192.168.0.225"), 15888);
socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
socket.Bind(localEP);
m_waveOut = new WaveOut(WaveOut.Devices[0], 8000, 16, 1);
Thread recvThread = new Thread(new ThreadStart(OnRecv));
recvThread.Start();
}
private void OnRecv()
{
byte [] buf = new byte[2000];
while(m_bAlive)
{
IPEndPoint ep = new IPEndPoint(IPAddress.Any,0);
EndPoint sender = (EndPoint)ep;
int nReceved = socket.ReceiveFrom(buf, ref sender);
byte[] sourceBuf = new byte[nReceved];
for (int i = 0; i < nReceved; i++)
{
sourceBuf[i] = buf[i];
}
if (nReceved <= 0)
{
Thread.Sleep(1);
}
else
{
byte[] decodeData = m_audioCodec.Decode(sourceBuf, 0, sourceBuf.Length);
if (m_waveOut != null)
{
m_waveOut.Play(decodeData, 0, decodeData.Length);
}
}
}
}
private void button1_Click(object sender, EventArgs e)
{
if (m_waveIn == null)
{
m_waveIn = new WaveIn(WaveIn.Devices[0], 8000, 16, 1, 500);
m_waveIn.BufferFull += new BufferFullHandler(m_waveIn_BufferFull);
m_waveIn.Start();
}
else
{
m_waveIn.Dispose();
m_waveIn = null;
}
}
private void m_waveIn_BufferFull(byte[] buf)
{
try
{
if(m_audioCodec != null)
{
byte[] encodeData = m_audioCodec.Encode(buf, 0, buf.Length);
socket.SendTo(encodeData, remoteEP);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message.ToString());
}
}
}
}
