Projectors and SCOPE screens !

  Рет қаралды 4,065

Home Theatre Engineering

Home Theatre Engineering

2 жыл бұрын

So we love scope screens and while there are other options and screen aspect ratios we keep coming back to scope.
In this video we explore the different ways projectors get images onto scope screens, how this happens and what this means for the resulting image.
We hope you enjoy it and look forward to your comments.

Пікірлер: 53
@raywatts7689
@raywatts7689 2 жыл бұрын
I sometimes feel the tech and constant search for bigger better gets in the way of the cinema experience. My projector probably cost a quarter of the cost of the lens alone in that Barco machine. But seated four metres away from my almost three metre wide ‘scope’ screen a 4K zoomed image looks amazing. If there were more pixels I wouldn’t be able to see them. Even an HD image looks brilliant. With a field of view similar to a centre seat in a commercial theatre that giant picture hanging there in the blackness looks awesome. It’s ‘cinema’ to me and I love it!
@HomeTheatreEngineering
@HomeTheatreEngineering 2 жыл бұрын
Thanks Ray and yes I am sure it looks terrific. A well set up system certain can look great. The other good thing about is humans is that we are very happy until we see something to compare against. So my advice to you is enjoy what you have . Sounds like a great system well done 👍
@michaeldee3380
@michaeldee3380 2 жыл бұрын
Fair point, always strive for better but for us ordinary folk, compromises have to be made. I had the good fortune of seeing all the major projectors (JVC, Sony, BenQ, Epson) in action at a home cinema event just before the outbreak of the pandemic. In the JVC booth, the difference between the higher spec and lower spec models was obvious, but only because they were set up next to each other. It was also plain to see that JVC generally produced a better picture than Sony. However, the projector that blew me away was the Barco Bragi, easily outperforming the JVC NX9 with a panamorph lens. Barco is in a completely different league, IMHO. The people from Barco used Lawrence of Arabia projected onto a 150 inch cinemascope screen. Absolutely draw-jopping. The yardstick against which all other HT projectors should be judged. Surely, it does not get any better than that?
@benrub
@benrub 10 ай бұрын
Watching this video just confirms in my mind how happy I am that I don’t have to deal with these problems due to the fact that I have a 16 x 9 screen. When I’m watching a Cinemascope movie, I simply mask off the unused portion of the screen.
@HomeTheatreEngineering
@HomeTheatreEngineering 10 ай бұрын
Thats great and its what suits you. We just prefer our hollywood blockbusters to be bigger and better than a toothpaste commercial. Its nice to see movies the way most of them were created.
@jpeterstme
@jpeterstme 2 жыл бұрын
Well said and hope the projector manufacturers listen and give us a good scope projector at an affordable price.
@dreamav8161
@dreamav8161 2 жыл бұрын
Great video guys. Lots of confusion, mis-information and lack of understanding in the marketplace...including from too many self declared industry experts. Great that you guys are leading the way with relatively easy to understand, researched and well presented information videos.
@garyl5128
@garyl5128 Жыл бұрын
So true. Just the other day I was told by some 'gurus' on here that cinemascope was 'a dinosaur', and that 16:9 was how everything should be presented, including IMAX - while not understanding that IMAX is both wider and taller than 1.85, and only taller than scope. 16:9 is just big tv and a lazy way to do things. Even THX recommend a 50 degree horizontal viewing angle for scope, and 40 degrees for 16:9/1.85 (so less wide), and IMAX advertise a 70 degree HVA (back row there is around 60 as I recall), so three different formats and three different viewing angles, but in a properly designed theatre, you can actually do all of those and from a single seat without having to move to a different seat.
@dreamav8161
@dreamav8161 Жыл бұрын
@@garyl5128 unfortunately our industry is full of "gurus"...many of whom sell Home Cinemas...or Home Cinema products. Too many will talk you out if something as they either don't understand it, don't have access to the tech (there is a reason they don't btw...) or just want fo sell something regardless.
@garyl5128
@garyl5128 Жыл бұрын
@@dreamav8161 Agreed. Selling a 'big tv' set up with a projector and 16:9 screen is just point and shoot and easy to do. Most customers will be wowed and happy with that, especially if their own cinema experiences are just 16:9 multiplexes, so they have no idea what a proper cinema should be like. It's very sad, but a lot of money to be made off of unsuspecting customers no doubt.
@dest1037
@dest1037 2 жыл бұрын
Excellent opinions as usual 👍
@northeastcorals
@northeastcorals 2 жыл бұрын
Agreed! I learned about these problems when I bought my first PJ about 20 years ago & I remember thinking by the time I was ready to upgrade in 5 or so years technology probably would have evolved to solve these issues for the working man end of the market... I'm still waiting
@johnhunter6123
@johnhunter6123 2 жыл бұрын
I run an Epson 9300 and a Pro Phoenix A-lens on a 9 foot wide Scope screen. The A-lens was bought from Panamorph about 5 years ago for USD $1500. Then they were trying to encourage the use of A lens at the lower end of the market. The PJ was about $4k AUD when I got it. That's a bargain basement set up for you guys!! Your coffee machine would probably cost more. I had to get a mount made for the lens and so was stuck with zooming for about a month. It was certainly quite clear for me when the lens was fitted, the advantages Andrew described of using an an anamorphic. Would be without it.
@myhomeaudio8751
@myhomeaudio8751 2 жыл бұрын
Hi, wonderful video as always. Time to bring 21/9 aspect ratio in more affordable brands. Companies should step up now. Enough robbing.
@cableguydan
@cableguydan 2 жыл бұрын
Always enjoy your content. The logic behind it always seems sound. Would love to be in the Barco budget, but, even though I’m not, I’m still always looking to learn more about the options out there. :-)
@HomeTheatreEngineering
@HomeTheatreEngineering 2 жыл бұрын
Thanks we put a fair bit of thought into the end result. We also ask peers to review and comment as well before publishing and mostly we rely on our training from HAA ISF PVA THX among other things. Glad you appreciate it.
@cableguydan
@cableguydan 2 жыл бұрын
@@HomeTheatreEngineering very much so. Your passion for a good quality experience shines through. It’s clearly not about “buy this one because it’s got a good profit margin”, it’s clearly about making the best cinema experience within your customers’ budget. Love watching that sort of passion in your content. Keep it up, guys. 🤩❤️🤩
@asiflatif7767
@asiflatif7767 2 жыл бұрын
This is very helpful, thank you. I am working on a home cinema and could use your advice. The client's needs are a 250" screen, 16:9, Netflix, Playstation, sports, and movies, and he has a JVC NZ9
@HomeTheatreEngineering
@HomeTheatreEngineering 2 жыл бұрын
Hi. First of all thanks for your comment. You don’t actually say what advice you want ??? We are always happy to help but we are a consultancy and we charge for our time. That’s why we publish what we can on KZfaq to provide advice to those who are on a budget or choose to DIY.
@racecrashrepeat
@racecrashrepeat Жыл бұрын
What about hard coded letterboxing. That means you no longer lose resolution and on a 16.9 screen you also have those so when you zoom to 2.35 you don't actually lose light either.
@HomeTheatreEngineering
@HomeTheatreEngineering Жыл бұрын
Hi. You are correct to a degree. You cant get more resolution than is encoded BUT it does mean you are not utilising all of the pixels on the chipset so yes it upscales to fit the chip so you are utilising all available pixels but YES if you zoom you do still definitely lose light output. The zoomed are that is off screen is an area of the chip that is “sent to black” and converted to heat in the projector. So more resolution no, all available pixels yes (over zoom which is not) and more light output.
@raywatts7689
@raywatts7689 2 жыл бұрын
Thanks Andrew, always like your detailed videos. I do wonder though sometimes about all this CinemaScope v 16 x 9, zooming or not to zoom. A projector with a native CinemaScope 4K chip sounds impressive but then I thought, the content is still at its best only 3840 pixels across. So in affect is still being stretched. To take full advantage the content would have to originate at 5000 + whatever pixels across. Not sure that is ever likely to happen. What do you think?
@HomeTheatreEngineering
@HomeTheatreEngineering 2 жыл бұрын
Thanks for your feedback and yes great question. I need to look a bit more into some Kaleidescape content but yes you are right. I think the issue here is how complex or convoluted the distortion or scaling or stretching is. A straight upscale is probably better than stretching up only and digitally and the stretching optically but I can’t be certain of that. The pixel structure of the projector really starts to matter too. I think the thing I like is that with the barcos the pixel structure/ resolution of the projector is at least fixed (but even the. Technically e-shifted ! So yes it’s a rabbit hole subject !! As to what we will get in the future it probably comes down to profit !
@timoxx4
@timoxx4 2 жыл бұрын
Yep agree. Native scope projectors would be great. I am currently using a JVC N7 paired with a Stewart 2.4 scope screen and just leave it zoomed to fill the screen. I cant afford the added cost of adding a lens or MadVr so just have to live with it.
@michaeldee3380
@michaeldee3380 2 жыл бұрын
Have you given any thought to using a HTPC with a high-grade GPU? Madvr is easy to install and is free. Paired with a media player it would give you a lot of the benefits at a fraction of the cost. Since I started using my custom-built HTPC which cost me under $400, I have seen a vast improvement in PQ.
@martinbailey3408
@martinbailey3408 2 жыл бұрын
@@michaeldee3380 under $400 with a high grade gpu?
@michaeldee3380
@michaeldee3380 2 жыл бұрын
@@martinbailey3408 Hi, indeed, I build my own PCs, generally with a basic rig purchased 2nd hand which I then upgrade with extra RAM and a Nvidia GTX1650ti for which I paid less than US $ 200. Works really well and the experience has been transformative. I use MCP HC from which I play 4k UHD discs. Madvr is easy to install but the drawback is that tweaking it for optimum results is very time-consuming.
@martinbailey3408
@martinbailey3408 2 жыл бұрын
@@michaeldee3380 oh i see, i assumed you were meaning a 3060 or better.
@michaeldee3380
@michaeldee3380 2 жыл бұрын
@@martinbailey3408 I have no idea which GPU the Madvr processing unit uses. It would be a good idea to check this out. I am certain it is not one of the flagship GPUs.
@holodray2269
@holodray2269 2 жыл бұрын
Thanks, nice video. I’m enjoying your content. At 1:54 you are talking about zooming a native 16:9 projector to artificially fill the scope screen. The picture you show has “unused area of 16:9 chip”. Does this mean that pixels in this area is not actually turned on? My understanding is that a blu-ray (4K at least) had the black bars included in the frame. In this case would it be fair to assume that the ensure chip is being used and it’s projecting black along the top and bottom?
@HomeTheatreEngineering
@HomeTheatreEngineering 2 жыл бұрын
That’s correct so you are not using over 30% of your pixels and light output in this case
@victorpulos823
@victorpulos823 2 жыл бұрын
I have a 240 by one aspect ratio movie screen with a masking system that does a 235 by one aspect ratio and I let the projector do aspect ratios without having Len in front of my projector
@HomeTheatreEngineering
@HomeTheatreEngineering 2 жыл бұрын
We fully get that. Good way to manage it considering the options just a shame about some of the losses but many don’t really notice..
@michaeldee3380
@michaeldee3380 2 жыл бұрын
Very informative video. Indeed, why can't the leading projector manufacturers (JVC, Sony, Benq, Epson) emulate Barco and provide a native scope projector in their product lineup? I would also like to clarify the following. When zooming out a cinemascope image from 16:9 to 1:2.35/40, the actual image resolution is 1920 x 800p for HD and 3840 x 1600p for UHD, and not the full 1080p or 2160p respectively due to the black bars which represent unused or dead pixels. So there will be an even greater loss in sharpness and light output when doing a manual zoom with the projector. The advantage of a panamorph lens or a scope projector is that you are basically using the full size of the chip by stretching the image vertically, but the native resolution is still 800p or 1600p. The only way to counteract or mitigate this, in my opinion, is to use AI in order to artificially enhance the resolution from 800p/1600p to 1080p/2160p and then to squeeze the image with the zoom control of the projector. Software is available to perform such upscaling but the process is very time-consuming and a high-spec GPU is required to do this. That way you have the best of both worlds. It is the same principle applied back in the day to anamorphic DVDs. However, I do not know if this process will introduce artefacts such as barrel distortion or pincushion due to image manipulation as is the case with panamorph lenses. The best solution is still a native scope projector, though. What are your thoughts?
@dreamav8161
@dreamav8161 Жыл бұрын
That is the thing with technology. Barco is a focussed company which produces visual imaging products for commercial, medical, simulation, pro AV and premium residential. The are a bespoke company, the others are consumer electronics. Further than that, many consumer electronics companies produce so many different products...TVs, Soundbars, fridges, washing machines, printers etc. so R&D is spread out over so many types of products. Barco is (pardon the pun), more focused. Like all brands that delve deep into the tech in a more specific category, they get the best out of it. They don't think that good enough will do...ever... Besides, what do you define as leading brands? Barco Residential is a leading brand in Home Cinema as they produce the best of the best when it comes to image performance. It's no different to cars, brands like BMW, Mercedes, Audi...they are leading brands. Hyundai, Kia...they are emulating them. Hyundai and Kia may sell more cars, so if you define a leading brand by numbers sold...but I see a leading brand as the one setting the standards that others try to follow. This is why brands like Barco Residential offer such unique performance elements. Yes, they aren't the cheapest...they are the Mercedes, Ferraris, Rolls Royce and F1 cars... Regarding cinemascope, its not just the native element that's most important. If you have this... great (mind you only Barco Residential currently does), but it means little if your optical block, lens, processing etc. is not up to scratch. This costs a lot to perfect and costs a lot to produce. A native scope projector with a balanced high performance full imaging system is the best solution for a Home Cinema unless you are looking at true DCI compliant projectors for residential, which Barco Residential have...different story however. The next best is an anamorphic lens on a 16:9 unit of quality...however, with a lens you lose light output, create distortion (you need a curved screen to counteract) and can create other image artefacts. Many lenses are also perspex, not glass... The least desirable is the "overshoot" on lower quality units. They just don't have the performance capabilities like the true DCI Compliant units have to cope with this properly. I would go with a decent 16:9 image from a quality projector over an overshoot on a lower end projector. The issue again comes to those selling the Home Cinema and truly understanding products and principles of implementation...which H.T.E have in abundance...vs selling a kit / box...
@studlygoorite5955
@studlygoorite5955 2 жыл бұрын
I am surprised they don't make a scope TV yet. I wouldn't mind my 85" QN90a having another foot or so on each side to accommodate scope movies. :)
@HomeTheatreEngineering
@HomeTheatreEngineering 2 жыл бұрын
They did. Phillips made one in 2.35:1 but it never caught on....
@studlygoorite5955
@studlygoorite5955 2 жыл бұрын
@@HomeTheatreEngineering I also have an Epson LS10000 that has reached it's 17,000 hours and an Epson 3800 to fill the gap until something better comes along throwing onto a 174" Center Stage Scope Curved AT Screen with a Panamorph Anamorphic Lens. The custom Lens memory for 2.35:1 was a very handy option, one that will be in my next projector for sure. Thanks for the video, I get people that come over and don't know what the Anamorphic Lens and sled is for :)
@TerminatorJuice
@TerminatorJuice 2 жыл бұрын
I have a Sony projector from 2016 and it has manual zoom, manual lens shift, and manual focus, so there is no way I could go with a scope screen without an anamorphic lens... but there is no way in hell I'm spending that kind of money on a lens for a $2,000 projector! So my "solution" was to make a masking system for my 16x9 screen, and honestly it is pretty effective at creating a more cinematic viewing experience for cinemascope movies. But when using the masking I have the issue of not being able to see the menu options on a movie, or the on screen volume, so that really hinders the experience. What would you say to using a MadVR with a 16x9 projector & screen and a manual masking system?
@HomeTheatreEngineering
@HomeTheatreEngineering 2 жыл бұрын
Its hard to make recommendations to others when it comes to budget but that aside Yes if you can get a MadVR at a price that works for you then I would say go for it. We have been incredibly impressed with what they can do. In fairness I have not played with their capability I believe they can work well with 16:9 screens but do your homework first :-)
@garyl5128
@garyl5128 Жыл бұрын
Keep an eye out on ebay for used Panamorph UH380 or 480 lenses which can be found well under $1000. Some ISCO IIIs are going for around the $1000 mark - I believe there's one on there right now.
@TerminatorJuice
@TerminatorJuice Жыл бұрын
@@garyl5128 Thanks for the tip. But since I made this comment I moved my projector back and went to a 115" 2.35:1 scope screen and it worked out perfectly!
@rayalliston7702
@rayalliston7702 Жыл бұрын
What about lens memory projectors
@HomeTheatreEngineering
@HomeTheatreEngineering Жыл бұрын
In what respect. Can you clarify your question?
@clausschive2538
@clausschive2538 2 жыл бұрын
JVC and Sony. Please develop and implement «scope chips» asap. 16x9 is for television, but not immersive home cinema. You’ll sell bucketloads of native scope projectors if they’re offered at a fair price. As flatscreens continue to provide increased sizes, now is the time to give projectors a leading edge again.
@HomeTheatreEngineering
@HomeTheatreEngineering 2 жыл бұрын
Nice comment and yes we agree!
@chevron916
@chevron916 2 жыл бұрын
Enjoyed this one. I use the poor man solution of zooming in and out in order to fill a scope screen. Some times I think it would have been easier to just have bought a 16x9 screen and not have to bother with I t all.
@HomeTheatreEngineering
@HomeTheatreEngineering 2 жыл бұрын
Thanks for the feedback. Yep we share your pain :-)
@JunkerDC
@JunkerDC Жыл бұрын
its crazy how much those lens cost I wish some one would make one that is the right price if the projector is $2,000 the lens should only be $240 at most anything more is a rip off. I just use masking and zoom the lens and it looks better they anything usualy even the theater most movie theater dont even have scope screen anymore there all flat screens its dumb
@HomeTheatreEngineering
@HomeTheatreEngineering Жыл бұрын
Its a nice theory and I wish it were the case. but anamorphic lenses are not easy to make and do not have the production numbers that normal optical lenses have. But I agree that they are overpriced. Also cinemas have “flat” screens as all cinema projectors are DCI compliant and their default mode is “flat”. This is quite a topic actually !!
@KING_DRANZER
@KING_DRANZER 10 ай бұрын
I seriously don't understand the craze of 2.35:1 or 2.4:1 over 16:9. Like seriously if you go for 200" 16:9 for scope we get good 190". But if we go 200" scope for 16:9 we only get 160". People complaint about how they need to deal with black bars on 16:9 screen. Lets be honest when a movie is running would anyone actually be looking for the black bars. I think they be having hard time dealing with content going on screen to say oh you see the black bars not black anymore. People only notice it when they actually look for it specifically. I say if one has that as annoyance issue he should get removable planks to mask the black bars when viewing scope content and when want to see full 16:9 content or IMAX movie remove those. If even that is hard go get motorized covers(they exist). Or even better if one got extremely bright Projector get Something like Severtson TAT or other similar grey high contrast ALR screens. That be the Best.
@HomeTheatreEngineering
@HomeTheatreEngineering 10 ай бұрын
Hi. First of all its not a "Craze" it is the way most hollywood movies were and are created. Secondly a large 16:9 screen needs ceiling height which brings into play other issues, distance from ceiling and floor and light reflection.Thirdly this means for example your evening news and ads are using the full screen in 16:9 while your blockbuster movie is using 66% of your screen (and projector chip therefore less pixels as well) and finally "extremely bright projectors" that produce a quality BT2020 image are very expensive and we are not fans of high gain screens (which "hotspot") or high contrast ALR screens as we know how they impact the image quality plus our rooms don't need to deal with ambient light. This is not about complaining about the "black bars" its about maximising the content the way it was created. Yes IMAX does throw a spanner in the works but this content is at the moment in the very small minority. At the end of the day the choice is yours.. it is not up to us to tell people what to do but at least to inform them of their options. We are committed to building dedicated cinemas in home so maybe our focus is different to others. We give our clients all options not just one and the room can also dictate what is possible.
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