CCETT or Centre commun d'études de télévision et télécommunications (''Centre for the Study of Television broadcasting and Telecommunication'' or ''Common Study Center of Telediffusion and Telecommunication'') was a research centre created in
Rennes
Rennes (; br, Roazhon ; Gallo: ''Resnn''; ) is a city in the east of Brittany in northwestern France at the confluence of the Ille and the Vilaine. Rennes is the prefecture of the region of Brittany, as well as the Ille-et-Vilaine departme ...
(
France
France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...
) in 1972 jointly by the
Office de Radiodiffusion Télévision Française
L'Office de Radiodiffusion-Télévision Française (ORTF; ) was the national agency charged, between 1964 and 1975, with providing public radio and television in France. All programming, and especially news broadcasts, were under strict control ...
(ORTF) (later
Télédiffusion de France
TDF (which stands for ''Télédiffusion de France'' officially renamed ''TDF'' in 2004) is a French company which provides radio and television transmission services, services for telecommunications operators, and other multimedia services � ...
) and
Centre National d'Etudes des Telecommunications (CNET) (Direction Générale des Télécommunications, part of the
French Ministry of Posts and Telecommunications) for development of new techniques for processing,
transmission
Transmission may refer to:
Medicine, science and technology
* Power transmission
** Electric power transmission
** Propulsion transmission, technology allowing controlled application of power
*** Automatic transmission
*** Manual transmission
** ...
and distribution of audiovisual signals.
CCETT became part of France Télécom R&D, the research and development division of
France Télécom
Orange S.A. (), formerly France Télécom S.A. (stylized as france telecom) is a French multinational corporation, multinational telecommunications corporation. It has 266 million customers worldwide and employs 89,000 people in France, and 5 ...
in 1998.
This division was derived from different ancient entities, such as CNET (the research and development centre of France Telecom, created in 1944), the CCETT, as well as other entities. Since 2007, France Telecom R&D is also known as ''
Orange
Orange most often refers to:
*Orange (fruit), the fruit of the tree species '' Citrus'' × ''sinensis''
** Orange blossom, its fragrant flower
*Orange (colour), from the color of an orange, occurs between red and yellow in the visible spectrum
* ...
Labs'', a global network of R&D entities.
CCETT/France Télécom R&D contributed to various international standards, such as
ISO/
IEC
The International Electrotechnical Commission (IEC; in French: ''Commission électrotechnique internationale'') is an international standards organization that prepares and publishes international standards for all electrical, electronic and r ...
MPEG
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 f ...
and
JPEG
JPEG ( ) is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography. The degree of compression can be adjusted, allowing a selectable tradeoff between storage size and imag ...
standards or
DAB
DAB, dab, dabs, or dabbing may refer to:
Dictionaries
* '' Dictionary of American Biography'', published under the auspices of the American Council of Learned Societies
* ''Dictionary of Australian Biography'', published since 1949
Places
* Dą ...
and
DVB
Digital Video Broadcasting (DVB) is a set of international open standards for digital television. DVB standards are maintained by the DVB Project, an international industry consortium, and are published by a Joint Technical Committee (JTC) o ...
standards. CCETT,
IRT and
Philips
Koninklijke Philips N.V. (), commonly shortened to Philips, is a Dutch multinational conglomerate corporation that was founded in Eindhoven in 1891. Since 1997, it has been mostly headquartered in Amsterdam, though the Benelux headquarters is ...
developed a digital audio two-channel compression system known as Musicam or
MPEG Audio Layer II
MPEG-1 Audio Layer II or MPEG-2 Audio Layer II (MP2, sometimes incorrectly called Musicam or MUSICAM) is a lossy audio compression format defined by ISO/IEC 11172-3 alongside MPEG-1 Audio Layer I and MPEG-1 Audio Layer III (MP3). While MP3 is mu ...
(
Emmy Award
The Emmy Awards, or Emmys, are an extensive range of awards for artistic and technical merit for the American and international television industry. A number of annual Emmy Award ceremonies are held throughout the calendar year, each with the ...
in Engineering 2000).
See also
*
Antiope (teletext)
Antiope was a French teletext standard in the 1980s. It also formed the basis for the display standard used in the French videotex service Minitel.
The term allegedly stood for ''Acquisition Numérique et Télévisualisation d’Images Organisée ...
References
{{DEFAULTSORT:Centre commun d'etudes de television et telecommunications
History of telecommunications in France
Rennes
Research institutes in France
1972 establishments in France