现今市面上流行的一些英语学习软件，在广告词上经常说自己使用了国际顶尖的全程语音TTS技术，能进行整段英文的流利朗

读，并能自由调节朗读的速度与频率等。那么，这个神奇的TTS究竟是什么东西呢？

　　其实，TTS是微软出品的一套文字朗读引擎（Text-To-Speech Engine)，这些英语软件就是调用它来进行英文朗读的。我们在英语

学习软件的编程开发中也可使用TTS技术，下面笔者将利用Visual Basic 5.0来揭开TTS神秘的面纱。

-current fashion for the English learning software, in the words often said that the use of the international voice of the entire process leading TTS technology, the entire paragraph reads English fluently, and can freely adjust the reading speed and frequency. Well, the magic TTS what exactly is? In fact, Microsoft TTS is the product of a set of text-engine (Text-To-Speech Engine), which is software called English for the English it read aloud. We in the English learning software programming also can use TTS technology, following the author will use Visual Basic 5.0 to open TTS mysterious veil.