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1)  open-loop and close-loop pitch extraction
开环-闭环基音提取
2)  Open/Close Loop
开环/闭环
3)  Closed-loop pitch search
闭环基音搜索
4)  pitch detection
基音提取
1.
Wavelet transform is very effective for picking up the pitch detection from a single source,but there is no effective way to obtain the pitch information from the pitch detection in overlapping speech with multi-sources.
小波变换对单一信号源的基音提取非常有效,但在多音源混叠语音的基音提取中则无法有效地获得基音信息。
2.
The continuous Chinese tone of three syllabic word is very complicated and its pitch detection is more difficult than that of isolated word because of the effects of vocal response,syllable conjunction,coarticulation and tone sandhi.
连续的汉语三字词声调 ,由于受声道响应、音联、协同发音和变调规律等的影响 ,情况很复杂 ,故其基音提取远远较孤立字困难。
3.
An approach of the pitch detection for obtaining speech tone of Chinese trisyllabic words on the basis of the wavelet transforms is proposed .
给出了一种基于小波变换的汉语三字词基音提取方法。
5)  pitch extraction
基音提取
6)  pitch estimation
基音提取
1.
Compared with conventional MBELP algorithm, this algorithm improves pitch estimation and unvoice/voice decision.
与传统的MBELP算法相比,该算法在基音提取和清/浊音判决上采取了一些改进措施,使得合成语音质量有一定的提高。
补充资料:环烯烃开环聚合
分子式:
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性质:环烯烃(如环戊烯)在钨(或钼)氯化物与烷基铝组成的催化剂存在下开环聚合,生成主链中含双键的链状聚合物的过程。其反应历程是环烯烃先与钨(或钼)配位活化,然后双键打开并易位使环不断扩大,最后通过自断裂或调节剂获得线型长链分子。所用单体是环烯烃或取代的单环、双环单烯烃,其中钨系催化剂催化环戊烯聚合制得的反式聚戊烯弹性体,其性质优于顺丁橡胶。

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