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The television industry would have you believe its the second coming Retailers preach the scriptures of higher resolution and digital video and audio quality while consumers are shepherded by consumer magazines looking out for their best interests providing previews and coming attraction for the self-made home theatre-phile What is the excitement about HDTV high definition television broadcasting is sending ripples throughout the television industrys pond Since 1988 the industry has been developing a system of high definition televisions in order to receive digital quality broadcasts the next evolutionary step in home entertainment After a decade of R D research and development for all the non-engineering types reading this essay the television networks thought that the world was ready for HDTV broadcasts --perhaps a bit premature as yet there are still several bugs to be worked out On November 8 1998 Americas first HDTV broadcasts aired CBS through New York City affiliate WCBS-TV broadcast a Buffalo Bills New York Jets football game in the HDTV format even though the number of digital televisions in the market the only sets capable of receiving HDTV signals coul interlaced d be counted on one hand Also debuting was the first Phillips brand digital television the model 64PP9901 or 9901 for short Even though the viewing experience was well less the revolutionary an indelible impression was made The idea behind HDTV is to increase the quality of the video picture by increasing the lines of revolution projected The national standard for video display the NTSC National Television System Committee uses 525 of interlaced video running at thirty frames per secondinterlaced video each frame of a video image is divided into two fields consisting of odd- and even numbered lines To display the frame an electron beam scans each line of the first field across the face of the cathode ray tube TV screen then goes back and scans the line of the second field in between the
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