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H.263, the Glossary

H.263 is a video compression standard originally designed as a low-bit-rate compressed format for videotelephony.^[1]

54 relations: Advanced Video Coding, Circuit switching, Common Intermediate Format, Container format, Data compression, Deblocking filter, Discrete cosine transform, EE Times, ETSI, Ffdshow, FFmpeg, Flash Video, GNU Lesser General Public License, Google Video, H.261, H.262/MPEG-2 Part 2, H.320, H.323, H.324, High Efficiency Video Coding, Huffman coding, Institute of Electrical and Electronics Engineers, IP Multimedia Subsystem, ISDN, ITU-T, Libavcodec, Macroblock, Motion compensation, Moving Picture Experts Group, MPEG-1, MPEG-4, MPEG-4 Part 2, MPlayer, Multimedia Messaging Service, Myspace, Public switched telephone network, Quantization (signal processing), Real-Time Streaming Protocol, Real-time Transport Protocol, RealVideo, Reasonable and non-discriminatory licensing, Run-length encoding, Session Initiation Protocol, Streaming media, Variable-length code, Versatile Video Coding, Video Coding Experts Group, Video coding format, Videotelephony, VLC media player, ... Expand index (4 more) »
H.26x
ITU-T H Series Recommendations
Open standards covered by patents

Advanced Video Coding

Advanced Video Coding (AVC), also referred to as H.264 or MPEG-4 Part 10, is a video compression standard based on block-oriented, motion-compensated coding. H.263 and Advanced Video Coding are H.26x, ITU-T H Series Recommendations, ITU-T recommendations, open standards covered by patents, video codecs and Videotelephony.

See H.263 and Advanced Video Coding

Circuit switching

Circuit switching is a method of implementing a telecommunications network in which two network nodes establish a dedicated communications channel (circuit) through the network before the nodes may communicate.

See H.263 and Circuit switching

CIF (Common Intermediate Format or Common Interchange Format), also known as FCIF (Full Common Intermediate Format), is a standardized format for the picture resolution, frame rate, color space, and color subsampling of digital video sequences used in video teleconferencing systems. H.263 and Common Intermediate Format are Videotelephony.

See H.263 and Common Intermediate Format

Container format

A container format (informally, sometimes called a wrapper) or metafile is a file format that allows multiple data streams to be embedded into a single file, usually along with metadata for identifying and further detailing those streams.

See H.263 and Container format

Data compression

In information theory, data compression, source coding, or bit-rate reduction is the process of encoding information using fewer bits than the original representation. H.263 and data compression are Videotelephony.

See H.263 and Data compression

Deblocking filter

A deblocking filter is a video filter applied to decoded compressed video to improve visual quality and prediction performance by smoothing the sharp edges which can form between macroblocks when block coding techniques are used.

See H.263 and Deblocking filter

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. H.263 and discrete cosine transform are H.26x.

See H.263 and Discrete cosine transform

EE Times

EE Times (Electronic Engineering Times) is an electronics industry magazine published in the United States since 1972.

See H.263 and EE Times

ETSI

The European Telecommunications Standards Institute (ETSI) is an independent, not-for-profit, standardization organization operating in the field of information and communications.

See H.263 and ETSI

Ffdshow

ffdshow is an open-source unmaintained codec library that is 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. H.263 and Ffdshow are video codecs.

See H.263 and Ffdshow

FFmpeg

FFmpeg is a free and open-source software project consisting of a suite of libraries and programs for handling video, audio, and other multimedia files and streams.

See H.263 and FFmpeg

Flash Video

Flash Video is a container file format used to deliver digital video content (e.g., TV shows, movies, etc.) over the Internet using Adobe Flash Player version 6 and newer.

See H.263 and Flash Video

GNU Lesser General Public License

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

See H.263 and GNU Lesser General Public License

Google Video

Google Video was a free video hosting service, originally launched by Google on January 25, 2005.

See H.263 and Google Video

H.261

H.261 is an ITU-T video compression standard, first ratified in November 1988. H.263 and H.261 are H.26x, ITU-T H Series Recommendations, ITU-T recommendations and video codecs.

See H.263 and H.261

H.262/MPEG-2 Part 2

H.262 or MPEG-2 Part 2 (formally known as ITU-T Recommendation H.262 and ISO/IEC 13818-2, also known as MPEG-2 Video) is a video coding format standardised and jointly maintained by ITU-T Study Group 16 Video Coding Experts Group (VCEG) and ISO/IEC Moving Picture Experts Group (MPEG), and developed with the involvement of many companies. H.263 and H.262/MPEG-2 Part 2 are H.26x, ITU-T H Series Recommendations, ITU-T recommendations and video codecs.

See H.263 and H.262/MPEG-2 Part 2

H.320

H.320 or Narrow-band visual telephone systems and terminal equipment is an umbrella Recommendation by the ITU-T for running multimedia (audio/video/data) over ISDN based networks. H.263 and H.320 are ITU-T H Series Recommendations, ITU-T recommendations and Videotelephony.

See H.263 and H.320

H.323

H.323 is a recommendation from the ITU Telecommunication Standardization Sector (ITU-T) that defines the protocols to provide audio-visual communication sessions on any packet network. H.263 and H.323 are ITU-T H Series Recommendations, ITU-T recommendations and Videotelephony.

See H.263 and H.323

H.324

H.324 is an ITU-T recommendation for voice, video and data transmission over regular analog phone lines. H.263 and H.324 are ITU-T H Series Recommendations, ITU-T recommendations and Videotelephony.

See H.263 and H.324

High Efficiency Video Coding

High Efficiency Video Coding (HEVC), also known as H.265 and MPEG-H Part 2, is a video compression standard designed as part of the MPEG-H project as a successor to the widely used Advanced Video Coding (AVC, H.264, or MPEG-4 Part 10). H.263 and High Efficiency Video Coding are H.26x, ITU-T H Series Recommendations, ITU-T recommendations, open standards covered by patents, video codecs and Videotelephony.

See H.263 and High Efficiency Video Coding

Huffman coding

In computer science and information theory, a Huffman code is a particular type of optimal prefix code that is commonly used for lossless data compression.

See H.263 and Huffman coding

Institute of Electrical and Electronics Engineers

The Institute of Electrical and Electronics Engineers (IEEE) is an American 501(c)(3) professional association for electronics engineering, electrical engineering, and other related disciplines.

See H.263 and Institute of Electrical and Electronics Engineers

The IP Multimedia Subsystem or IP Multimedia Core Network Subsystem (IMS) is a standardised architectural framework for delivering IP multimedia services. H.263 and iP Multimedia Subsystem are Videotelephony.

See H.263 and IP Multimedia Subsystem

ISDN

Integrated Services Digital Network (ISDN) is a set of communication standards for simultaneous digital transmission of voice, video, data, and other network services over the digitalised circuits of the public switched telephone network. H.263 and ISDN are ITU-T recommendations and Videotelephony.

See H.263 and ISDN

ITU-T

The International Telecommunication Union Telecommunication Standardization Sector (ITU-T) is one of the three Sectors (branches) of the International Telecommunication Union (ITU).

See H.263 and ITU-T

Libavcodec

libavcodec is a free and open-source library of codecs for encoding and decoding video and audio data.

See H.263 and Libavcodec

Macroblock

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

See H.263 and Macroblock

Motion compensation

Motion compensation in computing is an algorithmic technique used to predict a frame in a video given the previous and/or future frames by accounting for motion of the camera and/or objects in the video. H.263 and motion compensation are H.26x.

See H.263 and Motion compensation

Moving Picture Experts Group

The Moving Picture Experts Group (MPEG) is an alliance of working groups established jointly by ISO and IEC that sets standards for media coding, including compression coding of audio, video, graphics, and genomic data; and transmission and file formats for various applications.

See H.263 and Moving Picture Experts Group

MPEG-1

MPEG-1 is a standard for lossy compression of video and audio. H.263 and MPEG-1 are video codecs.

See H.263 and MPEG-1

MPEG-4

MPEG-4 is a group of international standards for the compression of digital audio and visual data, multimedia systems, and file storage formats. H.263 and MPEG-4 are video codecs and Videotelephony.

See H.263 and MPEG-4

MPEG-4 Part 2

MPEG-4 Part 2, MPEG-4 Visual (formally ISO/IEC 14496-2) is a video compression format developed by the Moving Picture Experts Group (MPEG). H.263 and MPEG-4 Part 2 are open standards covered by patents and Videotelephony.

See H.263 and MPEG-4 Part 2

MPlayer

MPlayer is a free and open-source media player software application.

See H.263 and MPlayer

Multimedia Messaging Service (MMS) is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network.

See H.263 and Multimedia Messaging Service

Myspace

Myspace (formerly stylized as MySpace; also myspace and sometimes my␣, with an elongated open box symbol) is a social networking service based in the United States.

See H.263 and Myspace

Public switched telephone network

The public switched telephone network (PSTN) is the aggregate of the world's telephone networks that are operated by national, regional, or local telephony operators.

See H.263 and Public switched telephone network

Quantization (signal processing)

Quantization, in mathematics and digital signal processing, is the process of mapping input values from a large set (often a continuous set) to output values in a (countable) smaller set, often with a finite number of elements.

See H.263 and Quantization (signal processing)

Real-Time Streaming Protocol

The Real-Time Streaming Protocol (RTSP) is an application-level network protocol designed for multiplexing and packetizing multimedia transport streams (such as interactive media, video and audio) over a suitable transport protocol.

See H.263 and Real-Time Streaming Protocol

Real-time Transport Protocol

The Real-time Transport Protocol (RTP) is a network protocol for delivering audio and video over IP networks.

See H.263 and Real-time Transport Protocol

RealVideo

RealVideo, also spelled as Real Video, is a suite of proprietary video compression formats developed by RealNetworks — the specific format changes with the version. H.263 and RealVideo are video codecs.

See H.263 and RealVideo

Reasonable and non-discriminatory licensing

Reasonable and non-discriminatory (RAND) terms, also known as fair, reasonable, and non-discriminatory (FRAND) terms, denote a voluntary licensing commitment that standards organizations often request from the owner of an intellectual property right (usually a patent) that is, or may become, essential to practice a technical standard.

See H.263 and Reasonable and non-discriminatory licensing

Run-length encoding

Run-length encoding (RLE) is a form of lossless data compression in which runs of data (consecutive occurrences of the same data value) are stored as a single occurrence of that data value and a count of its consecutive occurrences, rather than as the original run.

See H.263 and Run-length encoding

Session Initiation Protocol

The Session Initiation Protocol (SIP) is a signaling protocol used for initiating, maintaining, and terminating communication sessions that include voice, video and messaging applications. H.263 and session Initiation Protocol are Videotelephony.

See H.263 and Session Initiation Protocol

Streaming media refers to multimedia for playback using an offline or online media player that is delivered through a network.

See H.263 and Streaming media

Variable-length code

In coding theory, a variable-length code is a code which maps source symbols to a variable number of bits.

See H.263 and Variable-length code

Versatile Video Coding

Versatile Video Coding (VVC), also known as H.266, ISO/IEC 23090-3, and MPEG-I Part 3, is a video compression standard finalized on 6 July 2020, by the Joint Video Experts Team (JVET) of the VCEG working group of ITU-T Study Group 16 and the MPEG working group of ISO/IEC JTC 1/SC 29. H.263 and Versatile Video Coding are H.26x, open standards covered by patents and video codecs.

See H.263 and Versatile Video Coding

Video Coding Experts Group

The Video Coding Experts Group or Visual Coding Experts Group (VCEG, also known as Question 6) is a working group of the ITU Telecommunication Standardization Sector (ITU-T) concerned with standards for compression coding of video, images, audio signals, biomedical waveforms, and other signals. H.263 and video Coding Experts Group are Videotelephony.

See H.263 and Video Coding Experts Group

Video coding format

A video coding format (or sometimes video compression format) is a content representation format of digital video content, such as in a data file or bitstream. H.263 and video coding format are video codecs.

See H.263 and Video coding format

Videotelephony

Videotelephony (also known as videoconferencing or video call) is the use of audio and video for simultaneous two-way communication.

See H.263 and Videotelephony

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

See H.263 and VLC media player

References

[1] https://en.wikipedia.org/wiki/H.263

Also known as H.263+, H.263v2, H263, H263+, H263++, H263-1998, H263-2000.

, YCbCr, YouTube, 3GP and 3G2, 3GPP.

H.263, the Glossary

Table of Contents

See also

H.26x

ITU-T H Series Recommendations

Open standards covered by patents

References