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Scott wrote: >>Will the PLIIx matrix technology extrapolate DTS decoded 5.1 surround channels into 7.1 in the same way as it does Dolby Digital tracks? Or is this a feature of the pathway of the reciever/decoder itself?

>>When you use PLIIx over a 5.1 or 6.1 DD source, does it leave the original sl/r intact, and just add the sb l/r info?

Tom wrote: >>Does IIx create the surround back channels from the orignal signals and then does the DSP mode modify both the surround and back surround signals? Or does IIx get applied to the DSP modified signal? OR does the DSP mode not affect the surround back channels?

Allen, PLIIx does both: 2-->7, and 5.1-->7.1. It also supports just 6.1 outputs, if that's all the decoder has available.

Fernando wrote: >>But doesn't DPL IIx extract or create two additional matrixed channels out of 5.1 sources? are these sounds you mention truly discrete or they just sound like they are?

>>Does DPL IIx have anything like this coming?

Kevin wrote: >>Roger- The answer is: not yet, but it's coming.

Kevin wrote: >>The two quotes from the Theory and Design document you quoted above. That's how I interpreted it anyway.>Plus Marty's and other users' comments regarding how Logic 7 steers information to the surrounds and rears.

Marty wrote: >>The L7 in my Lexicon MC-12 does indeed separate Br from Sr (and Bl from Sl) thus panning fly-overs, etc.

Kevin wrote: >>Roger- That's just it. I believe that Logic 7 *does* look at the front L & R speakers to decide what to do with the signals in the surrounds and rears.>But for a sound that originates and ends in the right surround and right rear...you only get output in the surround and rear.>If...

Kevin wrote: >>But, from 5.1 to 7.1, I believe that there's a fairly significant benefit if you look at the fronts to the surrounds to decide what to put in the rears. A pan from front R to surround R is a perfect example. If that pan is continued to the right rear, to me, that is...

>>I'm guessing, that if it does that for application to 2 ch sources, that it would also for 5.1 channel.

Kevin, Thanks for the link. I have seen this document before. I suspect the passage you are referring to is on page 6: They do seem to resemble what you mentioned. But all of this is referring to their 2-ch matrix decoder, not the 5-to-7 decoder. I don't find anything in their manual to...

Kevin wrote: >>I am still curious as to if DPL IIx can do what Logic 7 does. For example, for a front R to surround R pan, Logic 7 continues that pan to the rear R speaker.>In other words, the content of the front 3 speakers aren't changed either, but Logic 7 *does* look at what's going on...