How does TTS(Text to Speech) Work with TAPI

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Hi,

I'm working on IVR Application with my voice modem.
Using TAPI3 alongwith C# in Windows 7.
I would like to use SAPI for TTS (Text to Speech) functionality:

I've received incoming call using TAPI, now I want to send TTS messages on phone,
like, when call is being received, application say:

"Welcome to the System"

Here is code,

declaring voice object:

using SpeechLib;
SpVoice voiceobj = new SpVoice();

if ( read == "call notification event has occured" )
            {
                cn.ReceiveCall(ia[line]);
                
                voiceobj.Speak("Welcome to the application");

            }

This text to speech message plays on speaker of my system, but I want it to send to the caller.
Help required.
Thnx in advance.

Posted 2-Dec-12 11:01am

HassanMirza

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Sergey Alexandrovich Kryukov · Answer 1 · 2012-12-02T15:07:00

It should be usable, but what's wrong with much easier approach? Just reference the assembly "Speech.dll" which is bundled with (redistributed) .NET Framework; it is already added to GAC, so you can reference it by using the tab ".NET" of the "Add Reference" Visual Studio window. The namespace is:
http://msdn.microsoft.com/en-us/library/system.speech.synthesis.aspx[^].

Chances are, it's quite enough for your purposes. As I look at your code sample, I cannot see anything above the code sample you can see here:
http://msdn.microsoft.com/en-us/library/system.speech.synthesis.speechsynthesizer.aspx[^].

—SA