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一种一张光盘可容纳一部135分钟长的故事片和全套9部贝多芬交响乐的DVD技术,正在对目前火爆的VCD市场构成潜在的威胁。尽管有不少专家以各种各样的理由论证DVD在相当长的时间内不会取代VCD,但如果消费者能冷眼观察,看一看激烈竟争的市场,想一想按几何级数飞速发展的科学技术,你可能就会作出DVD迈入市场的时间离你并不远的判断。DVD与VCD有何不同近年来,为加速影像数字化的进程,世界上许多组织在图像编码和压缩技术方面作了大量积极的探索,其中以MPEG标准的诞生最为引人注目。MPEG-I的主要任务是解决数字化图
A CD-ROM that holds a 135-minute feature film and a full set of nine Beethoven symphony DVD technology is currently posting a potential threat to the fiercely popular VCD market. Although many experts argue that DVDs will not replace VCDs for a long time for a variety of reasons, if consumers can take a sly look at the fiercely competitive market, think about the geometric progression The development of science and technology, you may make DVD to enter the market time not far from your judgment. What is the difference between DVD and VCD? In recent years, many organizations in the world have made a lot of active exploration in image encoding and compression technologies to speed up the process of image digitization. Among them, the MPEG standard has been the most prominent one. MPEG-I’s main task is to solve the digital map