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一、概述数字技术和产品发展最直接的代表当推光盘产品。1982年,CD产品的问世,使数字音频技术最真切地体会在产品中,并以最快速度得到市场和消费者的认可,CD产品一经问世就成为市场的主流产品,历经20多年依然是市场的主流的音频产品,足见其技术和产品的生命力。数字音频技术的发展和产品的成功,应该使人们充分认识了数字技术的魅力所在,但是由于压缩技术的阻碍,使数字视频技术整整延迟了10年。应该说,压缩技术和标准的建立是数字技术之本,没有压缩技术,基本上谈不到数字技术。1993年针对1.5Mbps以下数据传输率的运动图像及其伴音编码的国际标准MPEG1
First, an overview Digital technology and product development the most direct representative when pushing the CD-ROM products. In 1982, the advent of CD products, the digital audio technology to truly understand the products, and the fastest speed by the market and consumer recognition, CD products became the mainstream products on the market, after more than 20 years is still the market The mainstream audio products, which shows the vitality of its technology and products. Digital audio technology and product success should make people fully aware of the charm of digital technology, but due to the obstruction of compression technology, digital video technology, a complete delay of 10 years. It should be said that the establishment of compression technology and standards is the digital technology, there is no compression technology, basically no digital technology. 1993 for 1.5Mbps the following data transfer rate of moving images and audio coding international standard MPEG1