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System and method for digitally encoding and compressing analog signals carried in the vertical blanking interval of television signal
System and method for digitally encoding and compressing analog signals carried in the vertical blanking interval of television signal
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机译:电视信号的垂直消隐间隔中承载的模拟信号的数字编码和压缩的系统和方法
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摘要
A system and method are disclosed for digitally representing reference and data signals transmitted in the vertical blanking interval (VBI) of an analog television waveform such as NTSC or PAL. The system includes means for compressing the digital representation of the VBI signals. A broad range of reference and data signals is capable of being represented. The compressed representations of the VBI signals are particularly suitable for inclusion in an MPEG2 compliant signal carrying compressed digital video and audio.
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