USing NAudio to transfer voice over the network

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C#

Visual-Studio

VS2010

Hi guys

I am using the NAudio library to transfer voice over the network i.e. from my microphone to any other remote PC speakers for that i need some help i have used the Naudio library to record a voice from microphone and store it but now when i am trying to send it over the network i am having problems. I am using the following Code(Sender side) but it give me an Exception that Wavein should record in background thread why is this so ??

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;

namespace ConsoleApplication2
{
    class Program
    {
        private NAudio.Wave.WaveIn sourcestream = null;
        private NAudio.Wave.DirectSoundOut waveOut = null;
        private NAudio.Wave.WaveFileWriter Wavewriter = null;
        
        static void Main(string[] args)
        {
            Program obj = new Program();
            obj.function();
            
        }
        void function()
        {
            Thread t = new Thread(new ThreadStart(Service));
            t.IsBackground = true;
            t.Start();
            //Thread t2 = new Thread(new ThreadStart(Service2));
            //t2.Start();


        }

            void Service()
            {
                sourcestream = new NAudio.Wave.WaveIn();
                
                while(true)
                {
            
            int devicenumber = 0;
            
            sourcestream.DeviceNumber = devicenumber;

            sourcestream.WaveFormat = new NAudio.Wave.WaveFormat(44100, NAudio.Wave.WaveIn.GetCapabilities(devicenumber).Channels);
                  
            sourcestream.DataAvailable += new EventHandler<naudio.wave.waveineventargs>(sourcestream_DataAvailable);
            //Wavewriter = new NAudio.Wave.WaveFileWriter(save.FileName,sourcestream.WaveFormat);

            
            }
            }
            //void Service2 { 
            //}

            private void sourcestream_DataAvailable(object sender, NAudio.Wave.WaveInEventArgs e )
            {
                sourcestream.StartRecording();
                byte[] buffer = e.Buffer;
                Console.WriteLine(buffer);               

            }
        }
    }