synthetic speech的用法和樣例：
例句
- The key for improving the naturalness of the synthetic speech is to build a perfect prosodic model.
提高漢語合成語音的自然度的關鍵是要建立一個完善的漢語韻律模型。 - Experimental results indicate that the approach is perceptually superior to the conventional SOLA method, thus improving the efficiency in low rate speech coding.
實驗證明本方法對低採樣率合成語音質量有顯著改善，在低碼率語音編碼中可以有效提高編碼效率。
