Video resolution of film and television production
With the obvious improvement of PC function and the continuous decline of price, film and television manufacturing has gradually moved from professional hardware to PC platform, and the original professional software has been gradually transplanted to PC platform, and the price is becoming more and more popular. The following is the common knowledge about film and television manufacturing. I hope you can read it carefully!
I. video resolution
In short, it is the size of the video picture, in the unit of display pixels.
The selected size is directly related to the clarity of the manufacturing video and the size of the file.
Standard definition TV frequency resolution: 720 / 704 / 640 * 480 (NTSC) or 768 / 720 * 576 (PAL / SECAM).
The new high definition television (HDTV) has a resolution of 1920x1080.
The resolution of 3D video is expressed in voxel, which is translated into "voxel" in Chinese.
II. Video length and width share
It is used to describe the share of video picture and picture elements. The aspect ratio of traditional TV screen is 4:3. The aspect ratio of HDTV is 16:9. Pay special attention to selection in video manufacturing.
III. popular video pattern
MPEG: including MPEG-1, MPEG-2 and MPEG-4. In the meantime, most VCDs are compressed into dat pattern with MPEG-1 pattern. A two-hour movie can be compressed to about 1.2g. MPEG-2 is applied to DVD, HDTV and other high-definition film and television manufacturing. The film in two hours is about 5-8g, the size of the file is about 5-8g, and the definition is several times that of MPEG-1.
Avi: This is a kind of compressed file volume, but the picture quality is better.
RA / RM / RAM: first of all, network video has small volume and fast transmission. It is a little similar to flash, but the picture quality is too poor.
Mov: some cameras and DVS mostly use this pattern video, which is not commonly used.
ASF: it is also a video stream pattern that is mainly used on the Internet. The picture quality is better than that of RA pattern.
IV. common software
Editing software: Adobe Premiere, Canopus EDIUS, Sony Vegas, movie maker, vivid colors, etc;
Component software: Adobe After effects, discrete combustion, etc;
3D software: Autodesk 3D Studio MAX, Autodesk Maya, etc;
Auxiliary software: Adobe audit, cool 3D, AI, PS, etc;
Article source: Jiangmen film and television production http://www.sjttv.com
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