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SAPI: differing events returned with different voices

Posted By:      Posted Date: October 08, 2010    Points: 0   Category :.NET Framework

Hello everyone,

I am writing a program that uses SAPI 5.1 to synthesize speech and picks up on the phoneme events to lipsynch a character with it. When I use a Microsoft provided voice (such as Mary or Sam) everything works fine, but with other voices I run into problems. I have tried these voices so far:

Cepstral Voices :http://www.cepstral.com/

Both Diane and Callie voices do not speak at all, and it appears that they fire no events

Neospeech: http://www.neospeech.com/default.aspx

VW Kate's voice speaks and fires appropriate viseme & end stream events but no information on emphasis is contained in the HIWORD(lparam) of the event, so the visemes look funny

Do only Microsoft voices fire the complete set of events, or have I just had bad luck with these two? Does anyone have any recommendations on where I can get high quality voices that will fire these events?

Thanks so much for your time. In case it is something strange I am doing programatically, my code is below.


DWORD WINAPI DIGuy::sayMessage(LPVOID lpParam){
		ThreadParam * param = (ThreadParam *)lpParam;
		wstring s = param->message;
		wstring characte

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