Only HD 3, Star gold HD & Star world HD its not working other Dolby Chanel working fine my DTH is HD ,Sony TV model w600 is also support Dolby digital plus decoder I personaly checked demo file from Dolby official website drum band demo its woking fine on display its also show Dolby digital plus surround & my home theatre is Sony DTH iv300 which also support upto Dolby true HD/DTS HD so what is wrong with me??