Video compression is the practice of processing a video stream and rebuilding it to be a (typically) smaller file size.
- 1 Purpose of Video Compression
- 2 Types of Video Compression
- 3 List of Free Video Compression Sites
- 4 3D Video Compression & Rendering
Purpose of Video Compression
The purpose behind video compression is to make video files and video streams faster and easier to transmit via Internet or through offline means.
Types of Video Compression
Xvid was created as an open-source alternative to the proprietary video format known as DiVX. DiVX was great at compressing video, but was closed source. Xvid was created as a free video compression method for all to use.
Why is Xvid Great?
Xvid produces video content which is playable in virtually all modern video players – thus making Xvid the successful video compression format it has become.
Blu-Ray has become a favorite media format for millions of people. The stunning high quality provided by Blu-Ray capabilities gives people the HD and quasi-4K video quality they love in movies & TV.
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Why is Blu-Ray Great?
The amount of data that Blu-Ray discs can hold allows movie makers to put super-HD content on Blu-Ray discs.
List of Free Video Compression Sites
Below is a list of free compression software that’s available for all to use.
Sample Video Clips
Big Buck Bunny is a cartoon made years back that was published in several different digital formats, including various compressed formats such as MP4 and MKV. Here are some samples of those compressed Big Buck Bunny samples:
Video Compression Sample Stills / Screenshots
Refer to these sample stills & screenshots to see the difference between 720p and 1080p, for example, in a still shot (side-by-side).
3D Video Compression & Rendering
3D Video is a special type of video where the image actually contains two separate images: one for the left eye and one for the right. When the two images are places side-by-side within the one main image, this is called SBS (for Side-by-Side) or HBS (for Half Side-by-Side). Both terms mean the same thing!
3D Video Rendering
Since 3D Video requires 2 images (one for each eye), 3D Video rendering must render two frames instead of just 1 frame like normal. This causes significantly higher system requirements to render video in 3D.