XDS

XDS stands for eXtended Data Services, it is applicable to NTSC transmissions.

Extra information input by broadcasters is encoded in the television signal and can be decoded by receivers, the information includes the time of day, station call letters, the name of the current program, and so on.

External Links

http://www.birds-eye.net/definition/acronym.cgi?what+is+XDS=eXtended+Data+System&id=1151877854