Bibliographic Details
| Title: |
Tone features in whispered Chinese. |
| Authors: |
Li Xueli1,2 lixueli@hotrrjail.com, Xu Boling1 |
| Source: |
Progress in Natural Science. Mar2005, Vol. 15 Issue 3, p285-288. 4p. |
| Subjects: |
Tone (Phonetics), Speech, Phonetics, Speech perception, Sound, Chinese people |
| Abstract: |
Study on the whispered tone is important to speech recognition and conversion in whispered Chinese. In this paper, the characteristics of whispered speech are introduced and the tone features in whispered Chinese are discussed. There is no fundamental frequency in the whispered speech, so other features, such as the amplitude envelope, duration, glottal area, lip area, formant, and vocal tract length, are extracted and their contributions to the automatic tone recognition are compared. From the experiments with six simple Chinese whispered vowels in four tones, it is proved that loudness-weighted 32 Mel-frequency bands log-amplitude envelopes and duration can be used as the main tone features in the whispered Chinese tone recognition. The average tone recognition rate approaches that of the human perception level. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
