Getting text-to-speech working and connecting it to java

Ok so I have an artificial intelligence system running on my M开发者_运维技巧ac through terminal, on localhost with java. I want to make my ai speak without flash. There is an HTML tag that could be easily plugged into a tts script, but I don't want to output an mp3 file, I want to output an audio tag with autoplay and hidden so that it seems every time you get a response from the ai, it will speak too.

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Google translate TTS implemented as a servlet would solve this problem, I think. See this implementation. That is of course if you don't mind installing Tomcat or equivalent.

The problem is, until when will Google Translate TTS be free?

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Do you know about the JavaSpeech API and, for example, the FreeTTS implementation?