DocumentCode :
2423055
Title :
A novel speech recognition system-on-chip
Author :
Yang, Haijie ; Yao, Jing ; Liu, Jia
Author_Institution :
Dept. of Electron. Eng., Tsinghua Univ., Beijing
fYear :
2008
fDate :
7-9 July 2008
Firstpage :
764
Lastpage :
768
Abstract :
This paper introduces a novel isolated word speech recognition system-on-chip (SoC). An Application Specific Integrated Circuit (ASIC) with a unique vector accelerator is designed in the SoC to realize Continuous density Hidden Markov Model (CHMM) recognition algorithm based on the Mel-Frequency Cepstral Coefficients (MFCC) feature. Due to a hardware and software co-design, the cost of the ASIC is similar to a low-cost 8bit micro controller unit (MCU). A two-stage strategy is adopted for recognizing 200-phrase and recognition accuracy rate is about 98%.
Keywords :
application specific integrated circuits; hidden Markov models; speech recognition; system-on-chip; ASIC; application specific integrated circuit; continuous density hidden Markov model; mel-frequency cepstral coefficients feature; speech recognition; system-on-chip; unique vector accelerator; Algorithm design and analysis; Application specific integrated circuits; Consumer electronics; Costs; Hardware; Hidden Markov models; Isolation technology; Signal processing algorithms; Speech recognition; System-on-a-chip;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Audio, Language and Image Processing, 2008. ICALIP 2008. International Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-1723-0
Electronic_ISBN :
978-1-4244-1724-7
Type :
conf
DOI :
10.1109/ICALIP.2008.4590020
Filename :
4590020
Link To Document :
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