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Old 10-04-2019, 03:11 PM   #3441
PeterTHX PeterTHX is online now
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Quote:
Originally Posted by Dubstar View Post
It's just weird that for theatrical mixing DTS implements and uses the standard multiple speaker array similar to Atmos, yet for home application they go the easy route and keep to only 12 channels, here with Pro, they don't go the extra mile and just cheap out and stick to 7.1.4 - oh well.
2 different and incompatible systems, unlike home Atmos which can directly import objects from the theatrical.
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Old 10-04-2019, 04:21 PM   #3442
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Quote:
Originally Posted by Dubstar View Post
It's just weird that for theatrical mixing DTS implements and uses the standard multiple speaker array similar to Atmos, yet for home application they go the easy route and keep to only 12 channels, here with Pro, they don't go the extra mile and just cheap out and stick to 7.1.4 - oh well.
As stated it's different from the cinema version and I (and others) have suspected for some time DTS prematurely released home DTS: X since consumer Dolby Atmos was already out and they were behind the 8 ball.

So... they released the codec without 3D object scaling and rendering working properly. Maybe they thought they could patch it later. The first studio to use DTS's product, Well Go home video, starts releasing Blu-ray's with 7.1.4 beds + 5 objects. That's the maximum wavelet count for home DTS: X, plus they have no equivalent spatial compression algorithm to combine nearest spatially tagged objects when there are more objects in the mix session than the maximum allowed during final master track rendering.

Fast forward a little bit and DTS starts conveying to audio post mixers to render home DTS: X tracks out to 11.1 only (the fixed 7.1.4 bed with no moving objects). If they are to be expanded at a later date, DTS will use upmixing. Their DTS for the home audio immersive mixing software suite is marketed as rendering 11.1 channels with the mention of 3D objects during the mixing session only.

DTS: X tracks from all other studios, except one UHD title from Fox (ID4 - with a 7.1.4 bed + 1 object encode), are encoded as 7.1.4.

Soon after that all processors that could read the object metadata on DTS: X tracks got an "update" that eliminated this handy feature.

There was discussion on other forums when DTS: X first popped up in consumer gear that the positionally rendered 3D objects were not behaving as expected.

DTS: X Pro uses matrix extraction techniques to fill in the gaps in their 30.2 maximum speaker layout. All coordinates outside of the 7.1.4 home layout fit exactly within a center extraction scenario. Superimpose the 7.1.4 layout with the 30.2 layout and you will immediately notice that.

Matrix steering logic is never as precise as discrete speaker addressing like with Atmos objects. That coincides with what I heard at the CEDIA demo of DTS: X Pro.

Put two and two together...

Last edited by FilmFreakosaurus; 10-04-2019 at 04:40 PM.
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Old 10-09-2019, 02:06 PM   #3443
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Sounds about accurate @FilmFreakosaurus, the home version of DTS:X could have been just as popular as Dolby Atmos at home if DTS didn't rushed the format out of the door.
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