通过MFC编程实现文字发声，让你的程序会说话- method to provide very easily Text-To-Speech facility to a MFC program (sync/async modes+ direct/file-content speach)

AsyncReadFilter 将由SDK自带的例子async修改而来，async是把文件先全部读取到内存然后播放。现在要把它修改成从文件直接读取数据。 -The AsyncReadFilter by SDK comes with examples of async modified from, the async file first of all read into memory and then play. It should now be modified to read data