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<< How about audio cd's with DTS, does my cd changer need to have DTS capability or just the receiver? >>
AudioCDs cannot have DTS...you'd need to go to DVD-Audio which normally has a DTS or DD track, a DD 2.0 track and a DVD-Audio track....the DVD-Audio track being the best fidelity wise...but needing its own player to listen to. >>
Actually, you're wrong Dan. There are indeed audio CDs mastered in dts sound. I know because I own about a dozen of them. They (obviously) cannot be played in most CD players. In order to decode them properly your CD player must have a digital output (optical or coax) and your receiver must have a dts decoder.
Most DVD players do have the ability to pass dts audio from dts-encoded CDs, but same scenario, you must provide a digital connection for the data to travel from the DVD player to the receiver for it to work.
Even CD players and DVD players without a specific dts logo on their bezels can usually pass the dts audio signal correctly.
Not many CDs were remastered in dts. It was too new and expensive a technology back a few years ago (when most of these CDs were produced) for most consumers, and now that dts is finally taking off, the audio market is looking to DVD-Audio and SVCD as the only formats for 5.1/6.1 encoded music.
I must say though that I am very impressed with the dts CDs I own.
Here's a list of all dts audio recordings available.
Admittedly, it's difficult to find much technical information about dts audio CDs, but here's a
page--scroll down to the dts audio CD section.
l2c