Question

我将音频文件保存为test.wav，从下面

        SpeechVoiceSpeakFlags SpFlags = SpeechVoiceSpeakFlags.SVSFlagsAsync;
        SpVoice Voice = new SpVoice();

        SaveFileDialog sfd = new SaveFileDialog();

        sfd.Filter = "All files (*.*)|*.*|wav files (*.wav)|*.wav";
        sfd.Title = "Save to a wave file";
        sfd.FilterIndex = 2;
        sfd.RestoreDirectory = true;

        SpeechStreamFileMode SpFileMode = SpeechStreamFileMode.SSFMCreateForWrite;

        SpFileStream SpFileStream = new SpFileStream();
        SpFileStream.Open(sfd.FileName, SpFileMode, false);

        Voice.AudioOutputStream = SpFileStream;
        Voice.Speak(txtSpeakText.Text, SpFlags);
        Voice.WaitUntilDone(Timeout.Infinite);
        SpFileStream.Close();

当我尝试重新获取文件并将其转换为文本时，不同的

        SpeechRecognitionEngine RecognitionEngine = new SpeechRecognitionEngine(new CultureInfo("en-US", true));
        RecognitionEngine.LoadGrammar(new DictationGrammar());
        RecognitionEngine.SetInputToWaveFile("test.wav");
        RecognitionResult result = RecognitionEngine.Recognize();
        Grammar g = result.Grammar;
        txt_vtc.Text = result.Text;

为什么会这样？

Answer 1

这个答案不是您的问题的原因，但我建议您像以下代码一样使用SpeechSynthesizer Class。

        using (var speechSynthesizer = new SpeechSynthesizer())
        {
            speechSynthesizer.SelectVoice("Please enter your TTS engine name...");
            speechSynthesizer.SetOutputToWaveFile("test.wav");
            speechSynthesizer.Speak("test");
        }

使用SpeechSynthesizer Class，你会有两个好处。

由于已经包含在Speech Sdk 5.1的事实，不需要将.net framework(4, 3.5, 3.0)重新分发给客户。
比你提到的更容易实现目标。

Speech Sdk 5.1的问题？

1 个答案: