here i demonstrate the text to Speech conversion…
step 1 : create new web site.
step 2 : in the default.aspx page, copy the following code…
<html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>Text to speach</title> </head> <body> <form id="form1" runat="server"> <div> <asp:TextBox ID="txtspeach" runat="server"></asp:TextBox> <br /> <asp:Button ID="btn1" runat="server" Text="Speach" onclick="btn1_Click" /> </div> </form> </body> </html>
Step 3: Right click on the solution explore of the visual studio and add reference
in the add reference dialog box select the COM tag and add “Microsoft Speech Object library” and click to ok.
Step 4 : In the Default.aspx.cs file, copy the following code……
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using SpeechLib;
using System.Threading;
public partial class _Default : System.Web.UI.Page
{
protected void btn1_Click(object sender, EventArgs e)
{
SpVoice objspeach = new SpVoice();
objspeach.Speak(txtspeach.Text.Trim(), SpeechVoiceSpeakFlags.SVSFDefault);
objspeach.WaitUntilDone(Timeout.Infinite);
}
}
Step 5 : Run the code…
enter the text which u want to speech and then click to button, and listen the text…..
thanks…..
for more details : click here



RIA Services adds tools to Visual Studio that enable linking client and server projects in a single solution and generating code for the client project from the middle-tier code. The framework components support prescriptive patterns for writing application logic so that it can be reused on the presentation tier. Services for common scenarios, such as authentication and user settings management, are provided to reduce development time.