My guess is that they were talking about the Toslink / Coax out, not the 6 channel discrete output.
6 channel discrete output will pass the lossless audio encoded on some Blu-ray and HD-DVD discs; because of bandwidth issues, Toslink and Coax can only handle lossy Dolby Digital / DTS.
6 channel discrete output will pass the lossless audio encoded on some Blu-ray and HD-DVD discs; because of bandwidth issues, Toslink and Coax can only handle lossy Dolby Digital / DTS.