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Audiovisual bimodal mutual compensation of Chinese

Science China(Technological Sciences) 2001年第1期44卷 19-26页

作者：周治杜利民徐彦居 Research Center for Speech Interactive Information Technology Institute of Acoustics Chinese Academy of Sciences Beijing China

The perception of human languages is inherently a multi-modalprocess, in which audio information can be compensated by visual information to improve the recognition performance. Such a phenomenon in English, German, Spanish and so on has been researched, but in Chinese it has not been reported yet. In our experiment, 14 syllables (/ba, bi, bian, biao, bin, de, di, dian, duo, dong, gai, gan, gen, gu/), extracted from Chinese audiovisual bimodal speech database CAVSR-1.0, were pronounced by 10 subjects. The audio-only stimuli, audiovisual stimuli, and visual-only stimuli were recognized by 20 observers. The audio-only stimuli and audiovisual stimuli both were presented under 5 conditions: no noise, SNR 0 dB, -8 dB, -12 dB, and -16 dB. The experimental result is studied and the following conclusions for Chinese speech are reached. Human beings can recognize visual-only stimuli rather well. The place of articulation determines the visual distinction. In noisy environment, audio information can remarkably be compensated by visual information and as a result the recognition performance is greatly improved.

关键词： audiovisual bimodal speech recognition bimodal speech perception perception experiment audio-visual information mutual compensation

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THE CONTROL OF JUNCTURE AND PROSODY IN CHINESE TTS SYSTEM

THE CONTROL OF JUNCTURE AND PROSODY IN CHINESE TTS SYSTEM

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1996 3rd International Conference on Signal Processing(ICSP’96)

作者： CHU Min LU Shinan SI Hongyan HE Lin GUAN Dinghua Institute of Acoustics Academia Sinica

ISBN: (纸本)0780329120

＜正＞In a Chinese TTS system that is based on syllabic waveform concatenation,proper control of juncture between syllables and prosody of sentences is essential to improving the naturalness of the synthetic *** this paper, a perception experiment on fonnant transitions between syllables and a prosody model designed for Chinese TTS system are presented.

关键词： speech synthesis speech intelligibility natural languages juncture control prosody control Chinese TTS system syllabic waveform concatenation synthetic speech perception experiment formant transitions prosody model text to speech system

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