I tried to play a couple of my DTS CD's last night, and I couldn't get them to play via my Redbook ("regular CD") changer, never tried this before. Here is the background info: * Prepro = Yamaha RX-V3000 Receiver * CD Changer = Yamaha CDC-765 * Connection = Optical * DTS CD's = Eagles & DMP Big Band The CDC765 appeared to read the DTS CD's properly, it recognized number of tracks, and when I hit play, it would count seconds . . . My RXV3000 has two modes for digital input: Auto and DTS. Either mode should properly recognize and then decode DTS data. I tried both modes and with DTS mode I got dead air, with Auto mode I got static. Connection is fine, as Redbook CD's play perfectly. The DTS CD's did playback in my two DVD changers (also connected to same RX-V3000), so it's not that the DTS CD's are the source of the problem. I was under the impression that Redbook CD players can properly pass the info found on a DTS CD. Is this not the case? What gives? Any ideas? Thanks. Rich B.