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TELEVISION SIGNAL ENCORED WITH AUXILIARY INFORMATION TO ASSIST IN SCANNING FORMAT CONVERSION
TELEVISION SIGNAL ENCORED WITH AUXILIARY INFORMATION TO ASSIST IN SCANNING FORMAT CONVERSION
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机译:带有辅助信息的电视信号可协助进行格式转换
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摘要
A system for encoding a progressive scan widescreen EDTV signal so as to be compatible with a standard NTSC receiver develops an auxiliary signal (YT) containing vertical-temporal information derived from image field difference information of the progressive scan signal. The auxiliary signal facilitates the conversion of the encoded NTSC compatible signal (NTSCF) to progressive scan format in a widescreen progressive scan receiver.
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