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題名：Lightly Supervised and Data-Driven Approaches to Mandarin Broadcast News Transcription
書刊名：International Journal of Computational Linguistics & Chinese Language Processing
作者：Chen, Berlin／Kuo, Jen-wei／Tsai, Wen-hung
出版日期：2005
卷期：10:1
頁次：頁1-17
主題關鍵詞：Acoustic look-ahead；Lightly supervised acoustic model training；Language model adaptation；Mandarin broadcast news
原始連結：連回原系統網址new window
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  • 被引用次數被引用次數:期刊(1) 博士論文(0) 專書(0) 專書論文(0)
  • 排除自我引用排除自我引用:1
  • 共同引用共同引用:0
  • 點閱點閱:29
This article investigates the use of several lightly supervised and data-driven approaches to Mandarin broadcast news transcription. With the special structural properties of the Chinese language taken into consideration, a fast acoustic look-ahead technique for estimating the unexplored part of a speech utterance is integrated into lexical tree search to improve search efficiency. This technique is used in conjunction with the conventional language model look-ahead technique. Then, a verification-based method for automatic acoustic training data acquisition is proposed to make use of large amounts of untranscribed speech data. Finally, two alternative strategies for language model adaptation are studied with the goal of achieving accurate language model estimation. With the above approaches, the overall system was found in experiments to yield an 11.88% character error rate when applied to Mandarin broadcast news collected in Taiwan.
期刊論文
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會議論文
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3.Chen, B.、Kuo, J. W.、Tsai, W. H.(2004)。Lightly Supervised and Data-Driven Approaches to Mandarin Broadcast News Transcription。The IEEE International Conference on Acoustics, Speech, and Signal Processing 2004，777-780。  new window
4.Kneser, R.、Ney, H.(1995)。Improved Backing-off for M-gram Language Modeling。Hong Kong。181-184。  new window
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圖書
1.Duda, Richard O.、Hart, Peter E.(1973)。Pattern Classification and Scene Analysis。New York, NY：John Wiley & Sons。  new window
2.Croft, W. Bruce、Lafferty, J.(2003)。Language Modeling for Information Retrieval。Language Modeling for Information Retrieval。  new window
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其他
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