DirecTV has become the first national broadcaster to deliver programming with 5.1-channel DolbyÆ Digital. Thomson Consumer Electronicsí new RCA-brand DS5451 RB DSS system features the Dolby Digital-enabled receiver.ìAs the leader in broadcast and digital home theatre technology, DirecTV is committed to constantly improving both our programming content and technical product offerings,î said Stephanie Campbell, Senior Vice President of Programming for DirecTV. ìWe feel it is our responsibility to provide our subscribers with the best possible audio available and are excited to bring the DirecTV home theatre experience to a new level by offering movies with Dolby Digital sound.î