Microsoft Speech SDK 5.1 微软的文字转音频 ( 8KHZ 16比特 )

private void btnSave_Click(object sender, EventArgs e)
{
            try
            {
                SpeechVoiceSpeakFlags SpFlags = SpeechVoiceSpeakFlags.SVSFlagsAsync;
                SpVoice Voice = new SpVoice();

                string strFileName = "TTS/" + txtSpeakText.Text+".wav";//工程目录下以播放的内容为文件名

                SpeechStreamFileMode SpFileMode = SpeechStreamFileMode.SSFMCreateForWrite;

                SpFileStream SpFileStream = new SpFileStream();

                SpFileStream.Format.Type = SpeechAudioFormatType.SAFT8kHz16BitMono; //8KHZ 16比特  语音格式
                //SpFileStream.Format.Type = SpeechAudioFormatType.SAFT11kHz16BitMono;
                //SpFileStream.Open("c:\\tts.wav", SpeechStreamFileMode.SSFMCreateForWrite, false);

                SpFileStream.Open(strFileName, SpFileMode, false);

                Voice.AudioOutputStream = SpFileStream;
                Voice.Speak(txtSpeakText.Text, SpFlags);
                Voice.WaitUntilDone(Timeout.Infinite);//Timeout.Infinite 线程超时常量
                
                SpFileStream.Close();//关闭

            }
            catch (Exception error)
            {
                MessageBox.Show("Speak error", "SimpleTTS " + error.Message, MessageBoxButtons.OK, MessageBoxIcon.Error);
            }    
}