Original document(8 pages)  中文版
    Present invention discloses Present invention discloses audio expansion specially for digital video equipment, for processing HDTV, DTV, PDPTV, LCDTV, and set-top box etc digital video equipment signal. It contains signal input switch circuit, DSP processing circuit and volume control circuit volume control circuit, wherein DSP processing circuit including sound field processing circuit, phase shift processing circuit and equalization processing circuit, single track or two sound track signal capable of being converted into 5.1 sound track signal by special audio expander processing and calling out relevant mode according to different character channel signal. Present invention can produce sounds fitting human audition habit.
Application Number
申请号		 200510101898 Application Date
申请日		 2005.12.01
Title 名称 Special audio extend circuit for digital video equipment
Publication Number
公开号		 1801911 Publication Date
公开日		 2006.07.12
Approval Pub. Date Granted Pub. Date
International Classification 分类号 H04N5/60
Applicant(s) Name
申请人		 Yang Lian
Address 地址 528415
Inventor(s) Name 发明人 Yang Lian, Li Moran
Attorney & Agent 代理人

  
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