声像档案材料以感光胶片和磁性材料为载体,以声像为主要反映形式,包括照片、底片、录音带、录像带、缩微胶片、微机软盘、光盘等等。它形意结合、形象逼真,是人们在社会活动中直接形成的历史记录,是维护社会历史真实面貌的重要凭证和依据,具有重要的查考利用价值。为了保证声像 Sound and video archival material with photosensitive film and magnetic material as the carrier, with sound and image as the main form of reflection, including photos, negatives, tapes, videotapes, microfilms, floppy disks, CDs and so on. Its combination of form and meaning and lifelike image are the historical records that people directly form in social activities. They are the important vouchers and evidences for maintaining the true appearance of social history, and have important value for reference. In order to ensure the sound image