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根据科技强警的要求,结合公安业务的具体情况,淅江省公安会议提出了建立覆盖全省的公安会议电视及图像传输系统的要求,除了召开全省会议电视外,还要满足应急指挥及公安业务图像传送的要求。同时,该系统应能兼容原先已建成的台州IP图像通信系统。根据传输线路的条件,数据速率范围为:384Kbps～6Mbps,在数据速率大于等于2Mbps的场合,采用MPEG2的图象压缩技术,在数据数据速率小于2Mbps的场合,采用MPEG4的图象压缩技术,以获得在同等数据速率条件下的最佳图像。经过与凯斯
According to the requirements of the police of science and technology and the specific conditions of the public security business, the Qiangjiang Public Security Conference proposed the establishment of a television and image transmission system covering the whole province’s public security conference. In addition to convening the province’s conference television, it also had to meet emergency command and public security Business image delivery requirements. At the same time, the system should be compatible with the previously built Taizhou IP image communications system. According to the transmission line conditions, the data rate range: 384Kbps ~ 6Mbps, the data rate greater than or equal to 2Mbps occasions, the use of MPEG2 image compression technology, the data data rate of less than 2Mbps occasions, the use of MPEG4 image compression technology to Get the best image at the same data rate. After and Case