English Speech Recognition System on Chip |
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Authors: | LIU Hong QIAN Yanmin LIU Jia |
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Institution: | LIU Hong,QIAN Yanmin,LIU Jia Tsinghua National Laboratory for Information Science and Technology,Department of Electronic Engineering,Tsinghua University,Beijing 100084,China |
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Abstract: | An English speech recognition system was implemented on a chip,called speech system-on-chip (SoC).The SoC included an application specific integrated circuit with a vector accelerator to improve performance.The sub-word model based on a continuous density hidden Markov model recognition algorithm ran on a very cheap speech chip.The algorithm was a two-stage fixed-width beam-search baseline system with a variable beam-width pruning strategy and a frame-synchronous word-level pruning strategy to significantly... |
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Keywords: | non-specific human voice-consciousness system-on-chip mel-frequency cepstral coefficients(MFCC) |
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