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Research and Design of Speech Recognition System Based on DSP

  • 2013-09-12
  • 768KB
  • Points it Requires : 1

Aiming at the problems of high operation cost, high power consumption and large size of speech recognition system implemented on PC, this paper proposes a speech recognition system solution with TMS320VC5509 low power chip as the core, designs the hardware structure of the system, studies the feature extraction and encoding of speech signals, establishes forward-backward hidden Markov (HMM) model, and realizes speech recognition of isolated words. The system has the characteristics of low operation cost, low power consumption and small space occupation.

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