The conversion of signals from one protocol to another e.g. H.323 to H.320
Converting a data stream from one format to another, such as MPEG 1 to H.263, or an H.320 videoconferencing session to H.323. [Source: York Telecom
The conversion of video signals with different Color TV System s but with the same scanning standard, for example PAL to SECAM or SECAM to PAL. Often used in North America (particularly Quebec) to mean Standards Conversion.