From Lou Judson: > > Do you mean Dual Layer? I've never heard the term double density. > > I have tried them and for me they do not play back even in > the machine that recorded them... That's odd. I've never had difficulty with playback of dual-layer DVDs. In fact, they play back perfectly on *single*-layer DVD transports, as well as on my Pioneer DV-563A DVD Player, which came out a year or two before dual-layer DVDs came on the market. Aaron Z