模拟信号视频资料的数字化转换与保存

发布时间：2018-03-30 06:01

  本文选题：视频资料　切入点：模拟信号　出处：《青年记者》2017年08期

【摘要】：正录像带曾经是视频资料的主要记录方式,经过长时间的积累,许多单位都保存有大量的记录着重要视频资料的录像带。这些视频可以说是历史发展的见证。但随着时间的推移以及科技的进步,这些录像带已无法满足素材正常读取的需要,对它们进行抢救性的整理,数字化显得尤为重要。以录像带方式保存资料的缺点1.录像带对环境的要求非常苛刻。通常,录像带需在温度14℃—24℃、湿度40%—60%工作环境下存放、播放。此外,
[Abstract]:Positive video tape was once the main recording method of video data. After a long period of accumulation, many units have kept a large number of video tapes recording important video data.These videos can be said to be witness to the development of history.However, with the passage of time and the progress of science and technology, these videotapes can not meet the needs of the normal reading of materials, so it is very important to digitize them.The disadvantage of saving data on videotape 1.The video tape is very demanding of the environment.Usually, the video tape must be stored and played in a temperature of 14 鈩，

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