SpeechSynthesizer ss = new SpeechSynthesizer();
        ss.Volume = 100;
        ss.SelectVoiceByHints(VoiceGender.Female,VoiceAge.Adult);
        ss.SetOutputToWaveFile(@"C:\MyAudioFile.wav");
        ss.Speak("Hello World");

我希望这是相关和有帮助的.