New answers tagged software
http://xh.5156edu.com/conversion.html copy the text that you want to convert and paste it in in the upper box, click on "查拼音" and you'll get the pinyin in the lower box. hope this help
http://hanyu.iciba.com/pinyin.html and http://www.ifreesite.com/phonetic/ These websites may do the work, but only for plain text.
Sorry pal, I don't think such software exist for a simple reason of exponential combination process. Chinese pronunciation has so many rules. Add on top of that, there are "occasional" special cases which may be frequent in usage. I gave it a minutes and I couldn't see how such a software could be designed to translate Chinese text to sound symbol. The ...
To PinYin Please use: Chinese version of word or WPS, in word you can see: 用鼠标选中需要注音的文字（拖黑）——格式——中文版式——拼音(Word2003,XP……) for Word2007 or above version, switch to "Home" page and then click this：
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