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- W2369663213 abstract "For the convenience of workers of power workplace in the use of intelligent line-check device on speech communication,a speech transmission system is designed on the base of the intelligent line-check device. Based on the coding technique of 13kQCELP,the system improves the speech processing speed and the quality of reconstruction speech through the adoption of fractional pitch search algorithm and the search algorithm of autocorrelation fixed codebook. In the hardware circuit design of this system C8051F020 and TMS320VC5509A are used as communication control core and data processing core respectively. Data is transmitted fastly between MCU and DSP in the mode of HPI. The results of simulation analysis and voice test show that the communication speech system attains high quality reconstruction speech at a low code rate and achieve low delay and high efficient speech communication." @default.
- W2369663213 created "2016-06-24" @default.
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- W2369663213 date "2014-01-01" @default.
- W2369663213 modified "2023-09-26" @default.
- W2369663213 title "The design of intelligent line-check device speech transmission system based on QCELP" @default.
- W2369663213 hasPublicationYear "2014" @default.
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