SoundCard/Modem

  • Thread starter Thread starter Sahil Malik [MVP]
  • Start date Start date
S

Sahil Malik [MVP]

A really simple question.

I have an interactive application that works using a microphone and speakers
plugged into the sound card.

I'd like this app to work over a telephone now. VOIP or a real telephone
line - both are workable options.

I am clueless how to proceed further, this was developed in speech SDK.
Please help.

- Sahil Malik [MVP]
ADO.NET 2.0 book -
http://codebetter.com/blogs/sahil.malik/archive/2005/05/13/63199.aspx
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I never worked this out on a interactive app however a while ago i was trying
to stream sound across a network and the easiest way was to use "Direct Sound"
and NetworkStream. I found very easy to work with direct sound because you
dont need to work very close to the metal.

Look at the WaveFormat structure:
http://msdn.microsoft.com/archive/d...ectx/ref/ns/microsoft.directx.directsound.asp

Another way would be to intercept the sound from your windows "sound system".
Here is a simple example:
http://www.codeproject.com/audio/fister.asp


Erick Sgarbi
www.blog.csharpbox.com
 
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