Advanced TV Systems Committee published guide to data broadcasting technology for DTV, saying it would help companies better understand “this dynamic aspect of DTV.” Implementation Guidelines for the ATSC Data Broadcast Standard is available at www.atsc.org.
LAS VEGAS -- With CE manufacturers closing in on first licensing agreement with Hollywood studio for Digital Transmission Content Protection (DTCP), PC industry and some content owners again are voicing support for alternative display interface with rival copy protection scheme that they say is better suited for uncompressed video signals.
ISurfTV announced deal with Triveni Digital to develop complete advanced multimedia data delivery solution for former’s interactive program guide. Companies said solution permits them to include graphics in digital TV’s ATSC transport stream.
Successful DTV reception depends more on received signal strength than on modulation scheme or receiver quality, according to in-depth report by Advanced TV Systems Committee (ATSC) Task Force on RF Performance. Report suggests that perceived DTV problems may be result of inflated expectations, that broadcasters shouldn’t count on receiver improvements to solve any problems and that signal improvements, such as use of on-channel receivers, could provide big reception improvements.
Advanced TV Systems Committee (ATSC) said its RF Task Force had completed work on DTV radio signal performance technical issues. Work included performance assessment of ATSC transmission system, ATSC Exec. Dir. Mark Richer said.