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我站于1997年元旦采用飞利浦公司数字压缩设备将江西卫视和江西人民广播电台的节目送上卫星,数字压缩系统的主要配置如图所示。该系统的主要功能是将模拟视音频信号通过A/D变换、编码以及复接,转变为单一的符合MPGE2标准的传输流信号,再按DVBS标准调制为70M
I stood on New Year’s Day in 1997 using Philips digital compression equipment to Jiangxi Satellite TV and Jiangxi People’s Broadcasting Station sent to the satellite, the main configuration of the digital compression system as shown. The main function of this system is to convert the analog video and audio signals to a single MPGE2-compliant transport stream signal by A / D conversion, encoding and multiplexing, and then modulate to 70 Mby DVBS standard