采用windows的SpeechLib组件实现语音播报； 主线程播报正常， 子线程播报异常，各路大神若有空，帮我看看

代码说明：

WideString SountContent = Memo1->Text.Trim();    TSpVoice *SpVoice1 = new TSpVoice(NULL);    try {        SpVoice1->Speak(SountContent.c_bstr(), SVSFDefault);    }__finally {        delete SpVoice1;    }