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 department ...

(

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 ISO is the most common abbreviation for the International Organization for Standardization. ISO or Iso may also refer to: Business and finance * Iso (supermarket), a chain of Danish supermarkets incorporated into the SuperBest chain in 2007 * 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 International Organization for Standardization, ISO and International Electrotechnical Commission, IEC that sets standards for media coding, includ ...

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 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 i ...

developed a digital audio two-channel compression system known as Musicam or MPEG Audio Layer II (

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).

References

{{DEFAULTSORT:Centre commun d'etudes de television et telecommunications History of telecommunications in France Rennes Research institutes in France 1972 establishments in France

See also

References