发明名称 Apparatus and method for transmitting and receiving digital information
摘要 An apparatus and method for transmitting and receiving digital information includes a transmitting part for transmitting digital video information and digital audio information and receiving part for receiving digital video information and digital audio information. The transmitting part includes a first compressor for digital video information, a second compressor for digital audio information, a parity signal adder, a modulator, and a transmitter. The receiving part includes a receiver which receives digital information which is digital video information bit-compressed by a first compression system plus digital audio information bit-compressed by a second compression system, and to which has been added a parity signal for error detecting, phase-modulated and transmitted to a transmission path; a demodulator; an error detector, a first expander which bit-expands video information, and a second expander which bit-expands audio information.
申请公布号 US6590726(B2) 申请公布日期 2003.07.08
申请号 US20020277830 申请日期 2002.10.23
申请人 HITACHI, LTD. 发明人 ARAI HIDEO;OWASHI HITOAKI;HOSOKAWA KYOICHI;NISHIMURA KEIZO;WATATANI YOSHIZUMI;SHIBATA AKIRA
分类号 G06F11/00;G11B5/00;G11B5/008;G11B5/09;G11B15/00;G11B15/18;G11B15/467;G11B20/00;G11B20/10;G11B27/00;G11B27/032;G11B27/10;H03M13/00;H04N5/775;H04N5/783;H04N5/926;H04N7/26;H04N9/79;H04N9/797;H04N9/804;(IPC1-7):G11B5/00 主分类号 G06F11/00
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