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2. 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).

3. Comparison of video codecs - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_video_codecs

   Comparison of video codecs. Α video codec is software or a device that provides encoding and decoding for digital video, and which may or may not include the use of video compression and/or decompression. Most codecs are typically implementations of video coding formats. The compression may employ lossy data compression, so that quality ...

4. Video coding format - Wikipedia

   en.wikipedia.org/wiki/Video_coding_format

   Video coding format. A video coding format[a] (or sometimes video compression format) is a content representation format of digital video content, such as in a data file or bitstream. It typically uses a standardized video compression algorithm, most commonly based on discrete cosine transform (DCT) coding and motion compensation.

5. Video codec - Wikipedia

   en.wikipedia.org/wiki/Video_codec

   A video codec is software or hardware that compresses and decompresses digital video. In the context of video compression, codec is a portmanteau of encoder and decoder, while a device that only compresses is typically called an encoder, and one that only decompresses is a decoder. The compressed data format usually conforms to a standard video ...

6. 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 ...

7. VP8 - Wikipedia

   en.wikipedia.org/wiki/Vp8

   VP8 is an open and royalty-free video compression format released by On2 Technologies in 2008. Initially released as a proprietary successor to On2's previous VP7 format, VP8 was released as an open and royalty-free format in May 2010 after Google acquired On2 Technologies. Google provided an irrevocable patent promise on its patents for ...

8. Zamzar - Wikipedia

   en.wikipedia.org/wiki/Zamzar

   Launched. 2006. Current status. Online. Zamzar is an online file converter and compressor, created by brothers Mike and Chris Whyley in England in 2006. [1][2] It allows users to convert files online, without downloading a software tool, and supports over 1,200 different conversion types. [3] Since its formation, the service has converted over ...

9. x265 - Wikipedia

   en.wikipedia.org/wiki/X265

   x265 is an encoder for creating digital video streams in the High Efficiency Video Coding (HEVC/H.265) video compression format developed by the Joint Collaborative Team on Video Coding (JCT-VC). [4][5][6] It is available as a command-line app or a software library, under the terms of GNU General Public License (GPL) version 2 or later; however ...