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美国标准 ATSC(Advanced Television systemscommittee—先进电视系统委员会)Digital Televi-sion standard(数字电视标准)于1995年11月正式成为美国电视广播的规范(标准)。美国是从最困难的数字 HDTV(高清晰度数字电视)地面广播开始的,并作为 ATSC 标准的基础,然后再研究有线电视和数字 SDTV(标准清晰度数字电视)。其视频(图像)部分采用 MPEG—2标准,音频部分则采用 AC—3标准。目
The American Standard ATSC (Advanced Television Systems Committee) The Digital Televi-sion standard (Digital Television Standard) officially became the norm (standard) for U.S. television broadcasting in November 1995. The United States started with the most difficult digital HDTV (High Definition Digital Television) terrestrial broadcasting and served as the basis for the ATSC standard, before researching cable and digital SDTV (standard definition digital television). The video (image) part of the MPEG-2 standard, the audio part of the AC-3 standard. Head