| COMPUTER SCIENCE AND TECHNOLOGY |
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Prosody modeling for Uyghur TTS |
| Gulmire Imam1, Guljamal Mamateli2, Maynur Ablitip3, Askar Hamdulla4 |
1. School of Literature, Xinjiang Normal University, Urumqi 830054, China;
2. School of Mathematical Sciences, Xinjiang Normal University, Urumqi 830054, China;
3. Xinjiang Normal University Library, Urumqi 830054, China;
4. Institute of Information Science and Engineering, Xinjiang University, Urumqi 830046, China |
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Abstract The prosodic features of syllables such as duration, energy, mean pitch, maximum pitch, minimum pitch and pitch range were extracted from a Uyghur text to speech (TTS) database with analyses of their variations for different prosodic hierarchies. The pitch reset, pre-boundary lengthening, and silence duration of different prosodic boundaries were also analyzed. The results of acoustic experiments show that the pitch reset and pre-boundary lengthening are much greater as the prosodic boundary degree increases. No obvious pause can be perceived at the prosodic word (PW) boundary and the average silence duration at the prosodic phrase (PP) and intonation phrase (INP) boundaries are 154.2 and 212.8 ms.
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| Keywords
Uyghur
text to speech (TTS)
prosody structure
acoustic analysis
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Issue Date: 15 December 2017
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2017,
Vol. 57
