TTS不设置来自间距和SpeechRate的值

Question

Android TTS :如果字符串长度大于4000，为什么不设置Pitch，SpeechRate的值？

感谢进阶，

Answer 1

被拒绝的不仅仅是音高和音速。如果文本长度大于4000个字符，TTS请求将被完全拒绝。

请参阅此Android source摘录中的MAX_SPEECH_ITEM_CHAR_LENGTH

public abstract class TextToSpeechService extends Service {

    private static final boolean DBG = false;
    private static final String TAG = "TextToSpeechService";

    private static final int MAX_SPEECH_ITEM_CHAR_LENGTH = 4000;