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2. The bird can sing many songs. 3. Sit down, please. 4. I want to buy some bananas for my mother. 2. The bird can ___(r i n s) many songs. * 题目要求根据括号内的字母拼写出正确的单词,并填入句子中,使句子完整。 * 根据句意“这只鸟会唱很多歌”,可以确定空格处应填入...
把括号中的字母组成一个动词填在横线上.使句意完整. 1. I a new bag.2. The bird can many songs.3. down, please.4. I to buy some bananas for my mother.5. I China very much.6. Let's together.7. What your cat lik
To warble is “to sing in a trilling manner or with many turns and variations.” An entire family (Parulidae) of North American birds is known as the New World Warblers for the quality of (many of) their songs and calls. The song of the Louisiana water thrush—a warbler, not a thru...
There was no significant correlation between pitch and body size parameters in spontaneous song, but there was for response songs, with larger females having a lower pitch. These changes in vocal properties suggest that the vocalizations are important for mutual assessment of competitive abilities in...
Figure 5. Ratio of m HVC to l Area X Expression Varies with the Proportion of Directed and Undirected Song Produced per Session (A) Darkfield images of m HVC and l Area X (of the same brain sections) from individual animals singing proportionately different amounts of female-directed and/or...
Songbirds, in contrast to non-human primates, share this vocal production learning with humans. The process through which birds and humans learn many of their vocalizations as well as the underlying neural system exhibit a number of striking parallels and have been widely researched. In contrast,...
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Because HMMs are trained, equivalent or even better performance of HMMs can be achieved based only on segmentation and labeling of constituent vocalizations, albeit with many more training examples than DTW templates. One weakness in HMM performance is the misclassification of short-duration ...
Nevertheless, little is known about how or why birds choose the songs they do learn from the many they will hear under natural conditions. We focus on various theories concerning social song learning that have been offered to date, with special attention paid to two axes of social factors. ...