Large Vocabulary Continuous Speech Recognition - Berlin Chen
Large Vocabulary Continuous Speech Recognition - Berlin Chen
Large Vocabulary Continuous Speech Recognition - Berlin Chen
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Word Graph Rescoring (4/6)• Bookkeeping at the word level– When word hypotheses were recombined into one hypothesis tostart up the next tree• Not only the word segments (arcs) with the best predecessorword were recorded• But for the hypotheses that have the same LM history, onlythe best one was kept (“word-pair” approximation)SIL (-)肺 炎 (-)肺 炎 (SIL)疫 情 ( 飛 蛾 )疫 情 ( 肺 炎 )一 群 ( 飛 蛾 )疫 情 ( 肺 炎 )隱 藏 ( 疫 情 )隱 藏 ( 一 群 )影 響 ( 疫 情 )影 響 ( 疫 情 )生 活 ( 隱 藏 )SIL( 生 活 )生 活 ( 影 響 )SIL( 生 命 )生 命 ( 影 響 )生 命 ( 影 響 )影 響 ( 一 群 )飛 蛾 (SIL)一 群 ( 肺 炎 )<strong>Speech</strong> – <strong>Berlin</strong> <strong>Chen</strong> 42