CCIR考虑到:(a)在数字演播室标准中,如有尽量多的主要参数值对525行和625行制式是共同的,将对电视广播组织和节目制作有明显的益处;(b)在世界范围内兼容的数字方法将使设备的开发具有许多通用的特点,使运行经济并方便国际间的节目交换;(c)为实现上述目标,数字电视演播室的基本编码参数已以601号建议书的形式达成协 The CCIR takes into account: (a) that in the case of digital studio standards, the largest number of major parameter values ​​common to both line 525 and line 625 would have significant benefits for television broadcasting organizations and program production; (b) The worldwide compatible digital methodology will allow the development of equipment to have many common features that will make it economical to run and to facilitate international exchange of programs; (c) To achieve the above objectives, basic coding parameters for digital television studios have been proposed in Recommendation No. 601 The book reached the form of association