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Theora

Index Theora

Theora is a free lossy video compression format. [1]

111 relations: Annodex, Applet, AVS Video Editor, BBC, Bitstream format, Block (data storage), BSD licenses, C (programming language), Chris DiBona, Chroma subsampling, Chromium (web browser), Cinelerra, Comparison of video codecs, Concurrent Versions System, Cortado (software), Daala, Digital container format, Dirac (video compression format), DirectShow, Discrete cosine transform, Doom9, Elphel, Ffdshow, FFmpeg, Firefox, Firefox 3.5, Firefox for Android, FLAC, FreeJ, Freeze (software engineering), GNOME, GNOME Videos, GNOME Web, GNU Lesser General Public License, Google, Google Chrome, Google Summer of Code, GStreamer, H.263, H.264/MPEG-4 AVC, HandBrake, Helix (multimedia project), HTML5, Icecast, Interlaced video, Java (programming language), Kaffeine, KDE, Kdenlive, Konqueror, ..., LEON, Linux, LiVES, Lossy compression, MacOS, Macroblock, Matroska, Max Headroom (TV series), Microsoft Silverlight, Microsoft Windows, Midori (web browser), Miro (software), MPEG-4 Part 2, MPlayer, Nios II, Non-linear editing system, Ogg, OggConvert, On2 Technologies, Open format, Open Hub, Open-source model, OpenShot, Opera (web browser), OSNews, Peak signal-to-noise ratio, Phonon (software), Pitivi, Portable media player, Proprietary software, Public domain, QuickTime, RealVideo, RecordMyDesktop, Reference implementation, Royalty-free, SeaMonkey, Smartphone, Songbird (software), Source code, Thoggen, Tizen, Unix-like, Use of Ogg formats in HTML5, Variable bitrate, VC-1, VHDL, Video codec, Video coding format, Video compression picture types, Video editing software, Video for Windows, VLC media player, Vorbis, VP3, WebM, Wikipedia, Windows Media Video, Xine, Xiph.Org Foundation, YouTube. Expand index (61 more) »

Annodex

Annodex is a digital media format developed by CSIRO to provide annotation and indexing of continuous media, such as audio and video.

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Applet

In computing, an applet is any small application that performs one specific task that runs within the scope of a dedicated widget engine or a larger program, often as a plug-in.

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AVS Video Editor

AVS Video Editor is a video editing software published by Online Media Technologies Ltd.

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BBC

The British Broadcasting Corporation (BBC) is a British public service broadcaster.

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Bitstream format

A bitstream format is the format of the data found in a stream of bits used in a digital communication or data storage application.

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Block (data storage)

In computing (specifically data transmission and data storage), a block, sometimes called a physical record, is a sequence of bytes or bits, usually containing some whole number of records, having a maximum length, a block size.

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BSD licenses

BSD licenses are a family of permissive free software licenses, imposing minimal restrictions on the use and redistribution of covered software.

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C (programming language)

C (as in the letter ''c'') is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations.

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Chris DiBona

Chris DiBona ('cdibona', born October 1971) is the director of open source at Google.

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Chroma subsampling

Chroma subsampling is the practice of encoding images by implementing less resolution for chroma information than for luma information, taking advantage of the human visual system's lower acuity for color differences than for luminance.

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Chromium (web browser)

Chromium is an open-source Web browser project started by Google, to provide the source code for the proprietary Google Chrome browser.

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Cinelerra

Cinelerra is a video editing and compositing software package.

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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.

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Concurrent Versions System

The Concurrent Versions System (CVS), also known as the Concurrent Versioning System, is a free client-server revision control system in the field of software development.

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Cortado (software)

Cortado is a streaming Java applet for Ogg formats Vorbis, Theora and Kate, µ-law, MJPEG and Smoke (a custom MJPEG variant), released under the GPL.

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Daala

Daala is a video coding format under development by the Xiph.Org Foundation under the lead of Timothy B. Terriberry mainly sponsored by the Mozilla Corporation.

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Digital container format

A container or wrapper format is a metafile format whose specification describes how different elements of data and metadata coexist in a computer file.

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Dirac (video compression format)

Dirac is an open and royalty-free video compression format, specification and system developed by BBC Research & Development.

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DirectShow

tags in this are generally true, just difficult to source due to the technical nature; don't remove unless 100% sure.

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Discrete cosine transform

A discrete cosine transform (DCT) expresses a finite sequence of data points in terms of a sum of cosine functions oscillating at different frequencies.

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Doom9

Doom9 is a website featuring information on digital audio and video manipulation (mostly video) and digital copyrights.

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Elphel

Elphel, Inc. designs and manufactures open hardware and free software cameras.

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Ffdshow

ffdshow is a codec mainly used for decoding of video in the MPEG-4 ASP (e.g. encoded with DivX or Xvid) and H.264/MPEG-4 AVC video formats, but it supports numerous other video and audio formats as well.

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FFmpeg

FFmpeg is a free software project, the product of which is a vast software suite of libraries and programs for handling video, audio, and other multimedia files and streams.

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Firefox

Mozilla Firefox (or simply Firefox) is a free and open-source web browser developed by Mozilla Foundation and its subsidiary, Mozilla Corporation.

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Firefox 3.5

Mozilla Firefox 3.5 is a version of the Firefox web browser released in June 2009, adding a variety of new features to Firefox.

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Firefox for Android

Firefox for Android (codenamed Fennec) is the build of the Mozilla Firefox web browser for devices such as smartphones and tablet computers.

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FLAC

FLAC (Free Lossless Audio Codec) is an audio coding format for lossless compression of digital audio, and is also the name of the free software project producing the FLAC tools, the reference software package that includes a codec implementation.

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FreeJ

FreeJ is a modular video mixer for GNU/Linux systems, dubbed a "vision mixer" by the authors of the software.

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Freeze (software engineering)

In software engineering, a freeze is a point in time in the development process after which the rules for making changes to the source code or related resources become more strict, or the period during which those rules are applied.

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GNOME

GNOME is a desktop environment composed of free and open-source software that runs on Linux and most BSD derivatives.

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GNOME Videos

GNOME Videos, formerly known as Totem, is a media player (audio and video) for the GNOME computer desktop environment.

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GNOME Web

GNOME Web (originally called Epiphany until 2012) is a free and open-source web browser for the GNOME desktop environment.

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GNU Lesser General Public License

The GNU Lesser General Public License (LGPL) is a free software license published by the Free Software Foundation (FSF).

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Google

Google LLC is an American multinational technology company that specializes in Internet-related services and products, which include online advertising technologies, search engine, cloud computing, software, and hardware.

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Google Chrome

Google Chrome is a freeware web browser developed by Google LLC.

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Google Summer of Code

The Google Summer of Code, often abbreviated to GSoC, is an international annual program, first held from May to August 2005, in which Google awards stipends, which depends on the purchasing power parity of the country the student's university belongs to, to all students who successfully complete a requested free and open-source software coding project during the summer.

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GStreamer

GStreamer is a pipeline-based multimedia framework that links together a wide variety of media processing systems to complete complex workflows.

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H.263

H.263 is a video compression standard originally designed as a low-bit-rate compressed format for videoconferencing.

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H.264/MPEG-4 AVC

H.264 or MPEG-4 Part 10, Advanced Video Coding (MPEG-4 AVC) is a block-oriented motion-compensation-based video compression standard.

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HandBrake

HandBrake is a free and open-source transcoder for digital video files, originally developed in 2003 by Eric Petit (a.k.a. "titer" from his SVN repository username) to make ripping a film from a DVD to a data storage device easier.

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Helix (multimedia project)

Helix DNA is a project to produce computer software that can play audio and video media in various formats, aid in producing such media, and serve them over a network.

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HTML5

HTML5 is a markup language used for structuring and presenting content on the World Wide Web.

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Icecast

Icecast is a streaming media project released as free software maintained by the Xiph.org Foundation.

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Interlaced video

Interlaced video is a technique for doubling the perceived frame rate of a video display without consuming extra bandwidth.

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Java (programming language)

Java is a general-purpose computer-programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible.

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Kaffeine

Kaffeine is a media player for Unix-like operating systems by KDE.

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KDE

KDE is an international free software community that develops Free and Open Source based software.

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Kdenlive

Kdenlive (KDE Non-Linear Video Editor) is a free and open-source video editing software based on the MLT Framework, KDE and Qt.

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Konqueror

Konqueror, a free and open-source web browser and file manager, provides web access and file-viewer functionality for file systems (such as local files, files on a remote FTP server and files in a disk image).

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LEON

LEON (from león, meaning lion) is a 32-bit CPU microprocessor core, based on the SuperSPARC SPARC-V8 RISC architecture and instruction set designed by Sun Microsystems.

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Linux

Linux is a family of free and open-source software operating systems built around the Linux kernel.

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LiVES

LiVES (LiVES Editing System) is a free video editing software and VJ tool, released under the GNU General Public License version 3 or later.

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Lossy compression

In information technology, lossy compression or irreversible compression is the class of data encoding methods that uses inexact approximations and partial data discarding to represent the content.

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MacOS

macOS (previously and later) is a series of graphical operating systems developed and marketed by Apple Inc. since 2001.

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Macroblock

Macroblock is a processing unit in image and video compression formats based on linear block transforms, such as the discrete cosine transform (DCT).

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Matroska

The Matroska Multimedia Container is an open standard, free container format, a file format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file.

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Max Headroom (TV series)

Max Headroom is an American satirical science fiction television series by Chrysalis Visual Programming and Lakeside Productions for Lorimar-Telepictures that aired in the United States on ABC from March 1987 to May 1988.

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Microsoft Silverlight

Microsoft Silverlight (or simply Silverlight) is a deprecated application framework for writing and running rich Internet applications, similar to Adobe Flash.

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Microsoft Windows

Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.

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Midori (web browser)

is a free and open-source light-weight.

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Miro (software)

Miro (formerly named Democracy Player or DTV) is an audio, video player and Internet television application developed by the Participatory Culture Foundation.

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MPEG-4 Part 2

MPEG-4 Part 2, MPEG-4 Visual (formally ISO/IEC 14496-2) is a video compression format developed by MPEG.

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MPlayer

MPlayer is a free and open media player software.

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Nios II

Nios II is a 32-bit embedded-processor architecture designed specifically for the Altera family of FPGAs.

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Non-linear editing system

Non-destructive editing is a form of audio, video or image editing where the original content is not modified in the course of editing, instead the edits are specified and modified by specialized software.

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Ogg

Ogg is a free, open container format maintained by the Xiph.Org Foundation.

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OggConvert

OggConvert is a free and open-source transcoder for digital audio and video files of various types into the free Ogg Vorbis audio format, and the Theora, VP8 and Dirac video formats.

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On2 Technologies

On2 Technologies, formerly known as The Duck Corporation, was a small publicly traded company (on the American Stock Exchange), founded in New York City in 1992 and headquartered in Clifton Park, New York, that designed video codec technology.

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Open format

An open format is a file format for storing digital data, defined by a published specification usually maintained by a standards organization, and which can be used and implemented by anyone.

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Open Hub

Black Duck Open Hub, formerly Ohloh, is a website which provides a web services suite and online community platform that aims to index the open-source software development community.

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Open-source model

The open-source model is a decentralized software-development model that encourages open collaboration.

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OpenShot

OpenShot Video Editor is a free and open-source video editor for FreeBSD, Linux, macOS, and Windows.

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Opera (web browser)

Opera is a web browser for Windows, macOS, and Linux operating systems developed by Opera Software AS.

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OSNews

OSNews is a computing news website that originally focused on operating systems and their related technologies that launched in 1997, but is now aggregating consumer electronics news.

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Peak signal-to-noise ratio

Peak signal-to-noise ratio, often abbreviated PSNR, is an engineering term for the ratio between the maximum possible power of a signal and the power of corrupting noise that affects the fidelity of its representation.

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Phonon (software)

Phonon is the multimedia API provided by KDE and is the standard abstraction for handling multimedia streams within KDE software and also used by several Qt applications.

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Pitivi

Pitivi (originally called PiTiVi) is an open source, non-linear video editor for Linux developed by various contributors, with support also available from Collabora.

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Portable media player

A portable media player (PMP) or digital audio player (DAP) is a portable consumer electronics device capable of storing and playing digital media such as audio, images, and video files.

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Proprietary software

Proprietary software is non-free computer software for which the software's publisher or another person retains intellectual property rights—usually copyright of the source code, but sometimes patent rights.

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Public domain

The public domain consists of all the creative works to which no exclusive intellectual property rights apply.

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QuickTime

QuickTime is an extensible multimedia framework developed by Apple Inc., capable of handling various formats of digital video, picture, sound, panoramic images, and interactivity.

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RealVideo

RealVideo is a suite of proprietary video compression formats developed by RealNetworks – the specific format changes with the version.

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RecordMyDesktop

recordMyDesktop is a free and open source desktop screencasting software application written for Linux.

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Reference implementation

In the software development process, a reference implementation (or, less frequently, sample implementation or model implementation) is the standard from which all other implementations and corresponding customizations are derived.

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Royalty-free

Royalty-free, or RF, refers to the right to use copyright material or intellectual property without the need to pay royalties or license fees for each use, per each copy or volume sold or some time period of use or sales.

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SeaMonkey

SeaMonkey is a free and open-source Internet suite.

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Smartphone

A smartphone is a handheld personal computer with a mobile operating system and an integrated mobile broadband cellular network connection for voice, SMS, and Internet data communication; most, if not all, smartphones also support Wi-Fi.

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Songbird (software)

Songbird is a discontinued music player originally released in early 2006 with the stated mission "to incubate Songbird, the first Web player, to catalyze and champion a diverse, open Media Web".

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Source code

In computing, source code is any collection of code, possibly with comments, written using a human-readable programming language, usually as plain text.

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Thoggen

Thoggen is a DVD ripper for Linux within the GNOME project.

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Tizen

Tizen is a mobile operating system developed by Samsung that runs on a wide range of Samsung devices, including smartphones; tablets; in-vehicle infotainment (IVI) devices; smart televisions; smart cameras; smartwatches; Blu-ray players; smart home appliances (refrigerators, lighting, washing machines, air conditioners, ovens/microwaves); and robotic vacuum cleaners.

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Unix-like

A Unix-like (sometimes referred to as UN*X or *nix) operating system is one that behaves in a manner similar to a Unix system, while not necessarily conforming to or being certified to any version of the Single UNIX Specification.

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Use of Ogg formats in HTML5

The HTML5 draft specification adds video and audio elements for embedding video and audio in HTML documents.

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Variable bitrate

Variable bitrate (VBR) is a term used in telecommunications and computing that relates to the bitrate used in sound or video encoding.

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VC-1

SMPTE 421M, informally known as VC-1, is a video coding format.

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VHDL

VHDL (VHSIC Hardware Description Language) is a hardware description language used in electronic design automation to describe digital and mixed-signal systems such as field-programmable gate arrays and integrated circuits.

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Video codec

A video codec is an electronic circuit or software that compresses or decompresses digital video.

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Video coding format

A video coding format (or sometimes video compression format) is a content representation format for storage or transmission of digital video content (such as in a data file or bitstream).

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Video compression picture types

In the field of video compression a video frame is compressed using different algorithms with different advantages and disadvantages, centered mainly around amount of data compression.

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Video editing software

Video editing software is an application program which handles the post-production video editing of digital video sequences on a computer non-linear editing system (NLE).

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Video for Windows

Video for Windows (VfW) is a multimedia framework developed by Microsoft that allows Windows to play and encode digital video.

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VLC media player

VLC media player (commonly known as VLC) is a free and open-source, portable, cross-platform media player and streaming media server developed by the VideoLAN project.

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Vorbis

Vorbis is a free and open-source software project headed by the Xiph.Org Foundation.

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VP3

On2 TrueMotion VP3 is a (royalty-free) lossy video compression format and video codec.

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WebM

WebM is an audiovisual media file format.

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Wikipedia

Wikipedia is a multilingual, web-based, free encyclopedia that is based on a model of openly editable content.

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Windows Media Video

Windows Media Video (WMV) is a series of video codecs and their corresponding video coding formats developed by Microsoft.

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Xine

xine is a multimedia playback engine for Unix-like operating systems released under the GNU General Public License.

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Xiph.Org Foundation

Xiph.Org Foundation is a non-profit organization that produces free multimedia formats and software tools.

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YouTube

YouTube is an American video-sharing website headquartered in San Bruno, California.

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Redirects here:

.ogv, Libtheora, OGG Theora, OGV, Ogg Theora, Ogg Video, Ogg theora, Ogg video, Ogg-Theora, Ogg/Theora, OggTheora, Oggtheora, Ogv, Theora codec, Xiph.Org libtheora 1.1 20090822 (Thusnelda).

References

[1] https://en.wikipedia.org/wiki/Theora

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