You will also need two compatible videos of the same resolution to “mosh” together.įirst we want to compress the videos as an AVI using the Xvid codec. However, 2.6.X works fine for the basic datamoshing technique and is the only version I have found that works for recent versions of OSX. It is recommended to use version 2.5.X as this version allows for easier frame cut and paste operations. AVIDemux is a free program that allows for video compression as well as frame by frame editing. To use this technique, you need a way to manipulate these frames. This post is an effort to guide through and simplify the process of datamoshing using free tools. The technique of datamoshing involves removing key frames and manipulating transition frames to achieve a unique glitch aesthetic. These frames contain information that has changed from the previous frame and are used to construct the next frame. Then we have the in between frames, also referred to as p-frames. These frames contain mostly new information, or information that cannot be compressed. Key frames, or I-frames, are frames that usually occur in the beginning of a new scene. Compressed video is made up of several kinds of frames. When they are mucked with, the results are smeared, smudged, and bewitching.Datamoshing is a technique that manipulates the frames in a compressed video. They are used to reduce file size rather than having to store the entire image for every frame.
I-Frames contain pixel information and P-Frames contain movement information or changes in pixels. These “key-frames” are optimized for movement and pixel-level changes. Depending on the compression format, the information is contained in I-Frames and P-Frames (AKA Delta-frames). The technique involves manipulation of a video file by removing and/or replacing information used to play it back over time. Data-benders and glitch-core-geeks have celebrated the lossy break-down of video compression for years. I didn’t intend for it to be such a dancy/trancy-remix, but I guess that’s what happens when the pixel-smears begin to obstruct one’s horizon… I may re-do the sound, but for now - this is the live version.ĭatamoshing has been getting quite a bit of attention as-of-late with the release of “Welcome to Heartbreak.” The video was pushed out via West’s blog and makes mention of a rushed release: “We know there is another video out there using the same technique so we were forced to drop it now.”ĭatamoshing is a technique I absolutely love and is by no means original to the “ Welcome to Heartbreak” video, nor Chairlift’s “ Evident Utensil,” which is the other video referenced in West’s blog post. I made this video right after watching Nabil Elderkin and Kanye West’s video for “ Welcome to Heartbreak.”
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