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2. Theora - Wikipedia

   en.wikipedia.org/wiki/Theora

   Theora is a variable-bitrate, DCT -based video compression scheme. Like most common video codecs, Theora used chroma subsampling, block -based motion compensation and an 8-by-8 DCT block. Pixels are grouped into various structures, namely blocks, super blocks, and macroblocks. Theora supports intra-coded frames ("keyframes") and forward ...

3. HandBrake - Wikipedia

   en.wikipedia.org/wiki/HandBrake

   HandBrake transcodes video and audio from nearly any format to a handful of modern ones, but it does not defeat or circumvent copy protection. [14] One form of input is DVD-Video stored on a DVD, in an ISO image of a DVD, or on any data storage device as a VIDEO_TS folder. As with DVDs, HandBrake does not directly support the decryption of Blu ...

4. OpenShot - Wikipedia

   en.wikipedia.org/wiki/OpenShot

   www.openshot.org. OpenShot Video Editor is a free and open-source video editor for Windows, macOS, Linux, and ChromeOS. The project started in August 2008 by Jonathan Thomas, with the objective of providing a stable, free, and friendly to use video editor. [1][4][5][6][7][8] The program supports Windows, macOS, and Linux ever since version 2.1. ...

5. 7-Zip - Wikipedia

   en.wikipedia.org/wiki/7-Zip

   7-zip.org. 7-Zip is a free and open-source file archiver, a utility used to place groups of files within compressed containers known as "archives". It is developed by Igor Pavlov and was first released in 1999. [2] 7-Zip has its own archive format called 7z, but can read and write several others.

6. List of open-source codecs - Wikipedia

   en.wikipedia.org/wiki/List_of_open-source_codecs

   Fraunhofer FDK AAC – Lossy compression (AAC) FFmpeg codecs in the libavcodec library, e.g. AC-3, AAC, ADPCM, PCM, Apple Lossless, FLAC, WMA, Vorbis, MP2, etc. FAAD2 – open-source decoder for Advanced Audio Coding. There is also FAAC, the same project's encoder, but it is proprietary (but still free of charge).

7. Dirac (video compression format) - Wikipedia

   en.wikipedia.org/wiki/Dirac_(video_compression...

   Dirac (and Dirac Pro, a subset standardised as SMPTE VC-2) is an open and royalty-free video compression format, specification and software video codec developed by BBC Research & Development. [ 4][ 5][ 6] Dirac aimed to provide high-quality video compression for Ultra HDTV and competed with existing formats such as H.264.