Video Archive digitization process
System capable of different media cassette and other analog signals of video archives, the repository directly into the audio-visual archives digitized.
Digital video archives are stored in two formats, one for archiving, for a preview.
Archive data index of video files：
Encoding format：MPEG-Ⅱ
Video data sampling rate：10 MB/S
Audio data sampling rate：384KB/S
After one hour of video digital information storage space of about 4GB.
In the video file on the basis of this archive, generated preview video data flow, data indicators：
Encoding format：WMV
Video data sampling rate：400KB/S
Audio data sampling rate：96KB/S
Hourly preview video data file storage space is about 200MB.
Thus, after one hour of video digital information to generate two data formats, storage space is approximately 4.2GB.