3GPP TSG SA WG4 - codec

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3GPP TSG SA WG4 - codec

The 3rd Generation Partnership Project (3GPP) is the primary body for developing technology specifications for cellular networks. It self-organises through its Working Groups coordinated by the Chairs of the Technical Specifications Groups (TSGs).

 3GPP TSG SA WG4 Codec deals with the specifications for speech, audio, video, and multimedia codecs, in both circuit-switched and packet-switched environments. Other topics within the mandate of SA WG4 are: quality evaluation, end-to-end performance, and interoperability aspects with existing mobile and fixed networks (from codec point of view).


Frédéric Gabin, SA4 Chairman, Ericsson LM. Member of  ETSI. Elected in October 2018.

Gilles Teniou, SA4 Vice-Chairman, Orange. Member of ETSI. Elected in October 2018. 

Stefan Bruhn, SA4 Vice-Chairman, Dolby Laboratories Inc. Member of ETSI. Elected in January 2020. 


Jayeeta Saha


3GPP for Vertical Industries
Working Groups

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