Originally Posted by neutro
Looks like one of my post got lost in the interwebs; anyway thanks for the explanation batpig.
Are ATMOS speakers with mids on top equipped with two inputs (e.g. as is the case with stereo ceiling speakers)? I guess so... In that case you could just add small satellites and aim them to the ceiling if you don't want or can't install ceiling speakers? Perhaps we're about to see speaker mounts that are easily aimable updwards.
Yes, they are two separate speaker channels as far as the AVR is concerned. In the case of something like those AJ Pioneer speakers they two speakers are in one cabinet, but they are still two separate speakers, with two separate inputs.
While in theory you can just aim a random pair of satellite speakers at the ceiling (I've actually tried this myself) it won't work as well as the "real thing" for a couple of reasons:
1. The "Dolby enabled" speakers have a special filter network inside which shapes the HF to enhance the perception of them actually being overhead
2. They also have specific directivity requirements so the sound "beams" and the overhead reflection isn't smeared by direct sound from the speaker
That said, if you have a receiver with auto room EQ the calibration software will take care of #1
since the HF "notches" are built into the target curve (if it wasn't, something like Audyssey would just flatten out the special filtering). So even a non "Atmos enabled" speaker when calibrated with Audyssey or the like will have the freq response shaped as per Dolby's specs. So that just leaves the directivity problem.... In my experiments (I had an extra pair of Take LCR speakers that I was aiming at the ceiling) the non-Atmos speakers still produced a nice sense of "height" and extended the ambience of the soundtrack overhead when upmixed with the new Dolby Surround upmixer. I didn't have any native Atmos content to test but I will re-try when I get my test disc.