TSG SA WG4 working group of 3GPP

The page of TSG SA WG4 working group of 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).

The 3rd Generation Partnership Project (3GPP) is a collaboration agreement which brings together a number of telecommunications standards bodies. The original scope of 3GPP was to produce globally applicable Technical Specifications and Technical Reports for a 3rd Generation Mobile System based on evolved GSM core networks.