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音像资料是指各种具有保存和参考价值的磁带、唱片、光盘、胶片、磁盘等视听载体。这些资料原来以各种类型的磁带、胶片、光盘等不同介质的方式保存着,受年代久远、存放条件的影响极易老化和损毁。经过采用国际通行的工艺流程和先进技术进行转储和修复加工后,建立起的大容量音像资料数字管理系统,可以科学无损地永久保存这些珍贵的资料。世界各国尤其是发达国家,都非常重视音像资料管理工作,并且建立了专门的管理机构。如美国音像博物馆就收藏了广播电视有史以来最完备的一系列节目,是
Audiovisual data refers to a variety of audio-visual media with preservation and reference values for tapes, records, discs, films, disks and the like. These materials were originally stored in various media such as tapes, films and CD-ROMs. Due to their age and storage conditions, they were easily aged and damaged. After the adoption of internationally accepted process and advanced technology for dumping and repair processing, the establishment of a large-capacity digital audio-visual data management system that can be permanently and scientifically preserved precious information. All countries in the world, especially the developed countries, attach great importance to the management of audiovisual materials and set up special management agencies. For example, the American Audiovisual Museum has a collection of the most complete series of programs ever made by radio and television