摘要
数字音频和视频的多种形式的信息通过各种媒体自由地传给我们,这是由于MPEG技术标准对音频视频信息的压缩和在对目前的模拟媒体的数字化处理技术方面的改进产生的效果。文中给出了基本原理和MPEG委员会在MPEG1和MPEG2的标准发展中的活动。
The multimedia information of digital audio and video is freely accessible to us through a variety of delivery media thanks to the availability of the standard MPEG technology to compress audiovisual information and progress in signal processing techniques to digitise current analogue delivery media This paper gives the philosophy of the MPEG committee in the development of the MPEG1 and MPEG2 standards, with the new standard for the coded representation of audiovisual information providing new functionalities also included
出处
《电子科技》
1996年第3期37-40,44,共5页
Electronic Science and Technology
关键词
语音信号处理
音频压缩
视频压缩
international standards, MPEG, video coding, audio coding