MPEG-1 & MPEG-2 - Unionpedia, the concept map

Advanced Audio Coding

Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression.

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Bit rate

In telecommunications and computing, bit rate (bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time.

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Cable television

Cable television is a system of delivering television programming to consumers via radio frequency (RF) signals transmitted through coaxial cables, or in more recent systems, light pulses through fibre-optic cables.

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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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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.

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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.

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Dolby Digital

Dolby Digital, originally synonymous with Dolby AC-3 (see below), is the name for a family of audio compression technologies developed by Dolby Laboratories.

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DVB

Digital Video Broadcasting (DVB) is a set of international open standards for digital television.

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DVD-Video

DVD-Video is a consumer video format used to store digital video on DVDs.

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Fraunhofer Society

The Fraunhofer Society (Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.|lit.

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Fujitsu

is a Japanese multinational information and communications technology equipment and services corporation, established in 1935 and headquartered in Kawasaki, Kanagawa.

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Hewlett-Packard

The Hewlett-Packard Company, commonly shortened to Hewlett-Packard or HP, was an American multinational information technology company headquartered in Palo Alto, California.

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Interlaced video

Interlaced video (also known as interlaced scan) is a technique for doubling the perceived frame rate of a video display without consuming extra bandwidth.

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International Electrotechnical Commission

The International Electrotechnical Commission (IEC; Commission électrotechnique internationale) is an international standards organization that prepares and publishes international standards for all electrical, electronic and related technologies – collectively known as "electrotechnology".

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International Organization for Standardization

The International Organization for Standardization (ISO) is an independent, non-governmental, international standard development organization composed of representatives from the national standards organizations of member countries.

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ISO/IEC JTC 1/SC 29

ISO/IEC JTC 1/SC 29, entitled Coding of audio, picture, multimedia and hypermedia information, is a standardization subcommittee of the Joint Technical Committee ISO/IEC JTC 1 of the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC).

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ITU-T

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

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Lossy compression

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

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Mitsubishi Electric

is a Japanese multinational electronics and electrical equipment manufacturing company headquartered in Tokyo, Japan.

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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.

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MP3

MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III) is a coding format for digital audio developed largely by the Fraunhofer Society in Germany under the lead of Karlheinz Brandenburg, with support from other digital scientists in other countries.

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MPEG Multichannel

MPEG Multichannel, also known as MPEG-2 Backwards Compatible, or MPEG-2 BC, is an extension to the MPEG-1 Layer II audio compression specification, as defined in the MPEG-2 Audio standard (ISO/IEC 13818-3) which allows it provide up to 5.1-channels (surround sound) of audio.

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MPEG program stream

Program stream (PS or MPEG-PS) is a container format for multiplexing digital audio, video and more.

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MPEG transport stream

MPEG transport stream (MPEG-TS, MTS) or simply transport stream (TS) is a standard digital container format for transmission and storage of audio, video, and Program and System Information Protocol (PSIP) data.

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Nippon Telegraph and Telephone

(NTT) (Corporate Number: 7010001065142) is a Japanese telecommunications holding company headquartered in Tokyo, Japan.

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Panasonic

is a Japanese multinational electronics company, headquartered in Kadoma, Osaka, Japan.

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Philips

Koninklijke Philips N.V., commonly shortened to Philips, is a Dutch multinational conglomerate corporation that was founded in Eindhoven in 1891.

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Pulse-code modulation

Pulse-code modulation (PCM) is a method used to digitally represent analog signals.

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Satellite television

Satellite television is a service that delivers television programming to viewers by relaying it from a communications satellite orbiting the Earth directly to the viewer's location.

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Sony

, formerly known as and, commonly known as Sony, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan.

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Surround sound

Surround sound is a technique for enriching the fidelity and depth of sound reproduction by using multiple audio channels from speakers that surround the listener (surround channels).

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Toshiba

is a Japanese multinational electronics company headquartered in Minato, Tokyo, Japan.

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Vantiva

Vantiva SA, formerly Technicolor SA, Thomson SARL, Thomson SA, and Thomson Multimedia, is a French multinational corporation that provides creative services and technology products for the communication, media and entertainment industries.

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