本文選題：視頻資料　切入點(diǎn)：模擬信號　出處：《青年記者》2017年08期

【摘要】：正錄像帶曾經(jīng)是視頻資料的主要記錄方式,經(jīng)過長時(shí)間的積累,許多單位都保存有大量的記錄著重要視頻資料的錄像帶。這些視頻可以說是歷史發(fā)展的見證。但隨著時(shí)間的推移以及科技的進(jìn)步,這些錄像帶已無法滿足素材正常讀取的需要,對它們進(jìn)行搶救性的整理,數(shù)字化顯得尤為重要。以錄像帶方式保存資料的缺點(diǎn)1.錄像帶對環(huán)境的要求非常苛刻。通常,錄像帶需在溫度14℃—24℃、濕度40%—60%工作環(huán)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，

本文編號：1684637