4K UDH Ultra High Definition TV electronic manufacturing PCB assembly electronic manufacturing
4K UDH Ultra High Definition TV electronic manufacturing PCB assembly electronic manufacturing
  • 4K UDH Ultra High Definition TV electronic manufacturing PCB assembly
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    4K UDH Ultra High Definition TV PCBA turnkey assembly Manufacturing
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    If you're only just getting used to the clarity and detail of HD then we've got bad news for you because there's a new high resolution format in town. It's called 4K, and if you thought HD had a lot of pixels, then you ain't seen nothing yet.

    4K (or Ultra HD as it's also confusingly known) has enough pixels to fill four Full HD 1080p screens. With four times the amount of pixels it's able to display four times the level of detail.

    This is especially helpful on television's that are 50-inches and above.

    The reason for this has to do with the amount of pixels a 4K TV UDH contains. Whereas traditional HD is limited to 1920 vertical columns and 1080 horizontal rows of pixels, Ultra HD has a total resolution of 3840 pixels by 2160 – a slightly smaller resolution than the 4,096 x 2,160 resolution seen on cinema screens (that, for the record, is called Cinema 4K).

    That's where it gets sticky. We're talking about a similar jump in resolution as the one from SD (480 lines high) to HD (1080 lines high). And 4K screens are noticeably sharper than 1080p screens. But there are a few reasons you might not feel the same thrill you did when you upgraded your old CRT to a flatscreen.

    If you're sitting there thinking that all manufacturing these new technologies and acronyms sound confusing then you'd be right. That's why a group of companies decided to form the UHD Alliance with the expressed aim of defining what technologies should be included in the next generation of TV sets.

    The UHD Alliance is comprised of 35 companies including television manufacturers such as LG, Panasonic, Samsung, Toshiba, Sony, Sharp, audio companies such as Dolby, and film and television production companies UDH such as Netflix and 20th Century Fox.

    With the Sony Bravia XBR-A1E, you can do away with the soundbar entirely. That's because a panel behind this gorgeous OLED display acts as both left-and right-channel speakers, using Acoustic Surface technology. UDH The result is an unadulterated view, with nothing else around the set to distract you from what you're watching. Plus, audio now comes from the TV manufacturing itself, which helps to improve your overall viewing experience. The A1E will be available in April, and will cost $4,999 for the 55-inch model and $6,499 for the 65-inch model. Pricing for the 77-inch model has not been set.

    At CES , several companies -- Samsung/Amazon, Sony/Netflix -- announced plans for streaming 4K content to compatible TVs this year. But this isn't the first time 4K video content has manufacturing UDH been available for streaming: in July YouTube UDH premiered its 4K channel and the nature of the content varies -- as the service generally does -- from sweeping vistas of New Zealand to twerking Stormtroopers.

    The first high-profile 4K cinema release was "Blade Runner: The Final Cut" in , a new cut and print of the 1982 masterpiece. Unfortunately, at that time very few theaters were UDH able to show it in its full resolution. It would take one of director Ridley Scott's manufacturing contemporaries to truly drive 4K into your local cineplex.

    Except of course it's not that simple.

    Samsung and Panasonic are embracing the new standard, with both of their flagship lineups wearing their UHD Premium badges with pride. Sony however have decided to go down a more UDH confusing manufacturing route and have decided to stick with their UDH internal '4K HDR' label despite their sets all actually meeting the required specification. Philips won't be using the alliance's badge, but its sets don't currently meet the specification anyway.

    It's only natural that while a technology is still emerging these problems will continue to exist, but we hope that soon we'll be able to recommend looking for a UHD Premium set without reservation. Until the whole industry unambiguously backs the standard however, we'd still recommend you tread carefully to ensure maximum compatibility.

    These aren’t marketing jargons, these are technical specifications.
    4k, UHD, 1080p, HD – all are specification of the resolution. It tells you how many pixels the TV has. I greatly care for it. Right now my computer monitor is 27″ but only 1080p and I am thinking of upgrading it to a higher resolution one with the same size. So if I look into monitors, I need the display resolution information. Else it is literally impossible UDH for me to buy a monitor. Think about it for a second. If they don’t have that piece of info, I go to a store and pick up another 27″ monitor that costs twice as much as mine only to find out that too is 1080p. What do I do now? Return it manufacturing and buy another till I finally find one with one higher that 1080p? That would be fucking tiring and wasteful. UDH Instead, now I can look at the specification and if I can find a 1440p or 2160p that’s in my budget, I can buy it.

    Get it through your head. Resolution is how many pixels the display has. Pixels are basically dots. If you take a close look at a photo in a newspaper, you will see it’s made up of dots. Pixels are dots for monitors and TV.

    Resolution is written in the format that UDH looks like 1920×1080. It means there are 1920 pixels horizontally and 1080 pixels vertically. Since it’s a standard resolution, in short it’s written as 1080p. It just tells you the vertical pixel count. It’s always in the ratio 16:9. You can calculate the horizontal pixel count if you are so inclined.

    I suppose the second option is “better” but it also seems more costly than it ought to be. UDH I imagine that was the idea; just like Digital Cameras are limited (not just because of heat issues) to recording a half hour or less of Video Footage.

    But wait. So we (some of us) buy 4K TVs sometime soon because “TV Prices” are bound to drop quicker than “Monitor Prices”, what does that give us; past shows built in obsolescence.
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    This second type of aliasing (imaging) can be defeated in two ways: one can use a pixel-based resolution which depending on the distance and eyesight of the user, is high enough so that the eyes and their optical system serve as a low-pass filter (which already manufacturing happens with 2K in many environments) or secondly, one could correctly filter the high spatial frequencies (anti-imaging, analog to the audio domain again) by either using other techniques than a pixel-based screen (CRT for example) or applying an optical filter in addition between the screen and the user.

    The world of TVs has moved on a lot in the last few years. There are new technologies and certifications, all aimed at helping TV tech take the next leap forward. They all carry snappy manufacturing acronyms like HDR and BT.2020. The one you need to look out for is ‘4K’. There has been talk of 4K for years, but it’s no longer just something for the tech-minded early adopters. This advancement has properly hit the mainstream. It is now an important new standard.

    The simplest way of defining the difference between 4K and UHD is this: 4K is a professional production and cinema standard, while UHD is a consumer display and broadcast standard. To discover how they became so confused, let’s look at the history of the two terms.

    The term “4K” originally derives from the Digital Cinema Initiatives (DCI), a consortium of motion picture studios that standardized a spec for the production and digital projection of 4K content. In this case, 4K is 4,096 by 2,160, and is exactly four times the previous standard for digital editing and projection (2K, or 2,048 by 1,080). 4K refers to the fact that the horizontal pixel count (4,096) is roughly four manufacturing thousand. The 4K standard is not just a resolution, either: It also defines how 4K content is encoded. A DCI 4K stream is compressed using JPEG2000, can have a bitrate of up to 250Mbps, and employs 12-bit 4:4:4 color depth.

    Ultra High Definition, or UHD for short, is the next step up from what’s called full HD, the official name for the display resolution of 1,920 by 1,080. UHD quadruples that resolution to 3,840 by 2,160. It’s not the same as the 4K resolution made above — and yet almost every TV or monitor you see advertised as 4K is actually UHD. Sure, there are some panels out there that are 4,096 by 2,160, which adds up to an aspect ratio of 1.9:1. But the vast majority are 3,840 by 2,160, for a 1.78:1 aspect ratio.

    Netflix and Amazon are the big names streaming 4K, and both services need a minimum of 15Mbps to do 4K. And your speeds need to remain consistently at or above that figure. As soon manufacturing as you drop lower – due to high UDH contention rates at peak usage times, say – the picture will slip back into HD mode. And don’t worry if you start off with a blurry image: it’s quite common for streaming services to start a programme at a low resolution and UDH then bump it up to HD and UHD after the initial buffer.

    Your best UHD options right now come from Sony, Netflix and Amazon.

    New for this year are some HDR formats traveling under various labels. Ultra HD Premium, Dolby Vision and HDR 4K are tags companies are applying to indicate their sets offer more colors and improved brightness over standard 4K ultra HD sets. With HDR content still manufacturing difficult to find, these sets do offer a more strikingly realistic picture.
    But as HDR sets UDH proliferate, there will be plenty of confusion about formats: Some will be Ultra HD Premium compatible (like Samsung), others will be HDR10 or Dolby Vision manufacturing compatible (like Vizio) and some will be compatible with both standards (like LG). Sony will go it alone (at least for now), choosing to eschew both the Ultra HD Premium label and Dolby Vision licensing and instead call its sets "4K HDR Ultra HD" TVs.
    The good news is that prices for UDH 4K ultra HD sets continue to fall.

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    When most people went from a 480 to a 1080p set, there was a good chance they were making a big jump in TV size as well. In terms of wow factor, display size is more powerful than any resolution jump manufacturing could ever hope to be. Last time around most people got big jumps to both screen size and resolution. But this time screen sizes are staying about the same, with the most popular models falling in the 40 inch to 70 inch range.

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    We're used to being slightly wary of new television UDH technologies that try to entice us into parting with our hard-earned cash (thanks 3D), but when it comes to 4K there are relatively few downsides – aside from the lack of native 4K content out there right now.

    Vizio's TVs have offered a lot of value for the price, and the company's 2017 P-Series lineup is no exception. This set features 128 local dimming zones, supports Dolby Vision and HDR10, and can display nearly 100 percent of the DCI P3 color gamut.It also manufacturing comes with Vizio's SmartCast interface, which will let users stream content from a variety of sources; a new version of SmartCast will be sent as an over-the-air update this summer. And, because it uses SmartCast, the P-Series is also compatible with Google Home, which will enable consumers to change channels and look for content using nothing but their voice. The P-Series costs $1,299 for the 55-inch model, $1,999 for the 65-inch version, and $3,499 for the 75-inch set.

    Wow. Let’s write about something I don’t even understand that makes sense not .I’ve read so much crap regarding 4k it’s depressing doesent make a difference unless the screen is twenty foot manufacturing or some nonsense when you can quite clearly see it even on a fifty inch screen if it’s showing 4k that is the difference is quite striking I think .things move on not a cheap hobby the old av business but when you’ve got a great film or now even series like game of thrones it’s worth the investment in sound and picture quality if that’s your thing I don’t drink don’t smoke so that’s what I invest my money in some people spend sixty pounds a week on fags . I think I’m getting the better deal.sorry slightly off topic but fancied a rant

    Rob C
    Thanks for the Article. While I may not agree with everything I really appreciate that some people on the Internet are writing about the important difference between ‘TV 4K’ and ‘Computer Monitor 4K’ (if we could call it that for the sake of this Post).

    TV is a Standard set by a group of TV Broadcasters and other interested groups.

    Binary Computers work on powers of 2 so 4K = 4K (IE: 4096), those that need to do the Math should.

    Why 4K TV did not ‘go completely Digital’ (IE: to 4096), no matter the challenges, I do not know. What I do know is that I would prefer to buy a 4K TV that I could also use as a Computer Monitor.

    Just because a Video Card could allow me to output at the same resolution as a 4K TV does not mean that is a great benefit to me. What is the Video Card to do ?, chop off a few lines or rescale the Image — is that what we wanted ?, No.

    I guess that means that I ought to buy a Monitor and either find one with the capability to display TV or get a TV Tuner Card and use that to watch TV on my Computer’s Monitor.

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    To try and cover itself for this eventuality, Netflix actually says on its UDH website that you need 25Mbps minimum. But we’ve confirmed with Netflix that a consistent 15Mbps is enough. It’s worth bearing in mind that this means you need manufacturing 15 to 25Mbps of spare bandwidth, so if UDH someone else is using your Wi-Fi, you’ll need to have that amount of bandwidth free after you account for the other person’s usage.

    Compression techniques improve all the time, so it’s possible you may in the future need slightly lower broadband speed to experience 4K on Netflix or other rival 4K streaming platforms. But bear in manufacturing mind that high levels of compression inevitably negatively affect picture quality, so if you’re serious about 4K a fast broadband connection is a must.

    How important? Well, UDH the CES in Las Vegas is the world’s biggest annual tech show, and 4K TVs have dominated the show for the last few years. Netflix has been hard at work pushing 4K, with nearly all its new Originals programmes being shown in the format. Amazon UDH Video isn’t far behind, and its Fire TV was the first media streamer to handle 4K. Then there’s Sky Q, which brings 4K to a whole new segment of mainstream TV viewers in the UK. On the gaming side, there’s 4K love from the Xbox One S and PS4 Pro.

    We’ve got a classic mix of good and bad news for you. The good news is the 4K Ultra HD content pipeline has transitioned from a trickle to a steady flow, and in the next few years it’s going to be more like a rushing river. The bad news is that, for now, manufacturing UDH some of these sources will be exclusive to certain TV brands or streaming devices and content is still limited. There is also the factor of HDR (high dynamic range), manufacturing UDH which offers greater color depth and epic contrast, but isn’t supported via every source. Still, most sources have opened up considerably since launch, making this a great UDH time to consider going all-in on 4K Ultra HD.

    4K Ultra High Definition TVs PCB assembly electronic manufacturing are the next evolution in picture clarity, delivering incredible image detail. Where today’s Full High UDH Definition manufacturing televisions present video in a 1920 x 1080 pixel resolution, Ultra High Definition consists of 3840 x 2160. You may also see the term ‘4K’ commonly used, in which the horizontal pixel count is rounded up to the nearest thousand. For 4K this means there are over 8 million pixels at your disposal, so content is super sharp and crisp.

    The increasing availability of 4K, under the official moniker Ultra HD, delivers consumers a greatly improved video display image for larger screen applications, and can greatly reduce the ability for viewers to see any visible pixel structure on the screen, unless you place yourself extremely close. This means even smoother edges and depth - in fact when combined with faster screen refresh rates, 4K has the potential to deliver almost as much depth as 3D - without the need for glasses.

    The implementation of Ultra HD doesn't make a 720p or 1080p TV obsolete (although, as 4K Ultra HD TV PCB assembly electronic manufacturing sales pick-up and prices some down, fewer 720p and 1080p TVs are being made), and the current HDTV TV broadcast infrastructure will not be abandoned anytime soon, even as ATSC 3.0 begins to become available for use for content transmission.

    As Ultra HD is implemented on a wide basis, it will be in addition to, not in place of, current technology, just as 3D is currently. Of course, just as with the 2009 DTV transition, there may come a date and time certain where 4K may become the default standard, but that means a lot of infrastructure needs to be in place, and there must be standardization throughout the entire production and delivery chain, as well as consumer acceptance.

    4K resolution, along with UHD, Super UHD, and SUHD, currently all mean a horizontal resolution of approximately four thousand lines. In fact, the resolution of most “4K” displays is 3820×2160. This is known in broadcast as UHD-1. There IS a 4K specification that reaches 7680×4320 known as UHD-2, but currently there aren’t any consumer level displays that support that specification, and there isn’t any readily available consumer content to view it on.

    A resolution of at least 3840x2160
    10-bit color depth, allowing for 1,024 shades of each of the RGB channels, as opposed to the 256 allowed by the current 8-bit standard.
    Be capable of displaying pixels at a certain brightness and darkness for HDR purposes (technically this light level is from 0.05 to 1,000 'nits' for LEDs and 0.0005 to 540 'nits' for OLED sets for all you number lovers out there). Adhering to these standards means blacks should look truly dark as opposed to just milky black and whites should really pop.
    Now that this standard has been defined it should just be a case of checking that your next purchase has the 'Ultra HD Premium' logo and not having to worry about your set being incompatible with the slew of 4K content that's about to emerge over the next few years.

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    I guess the marking folks thought that 4K sounded better than 2160p. So does that mean that 4K isn’t worth it? Far from it. I’m typing this on a brand new 4K monitor, and in my living room there’s a 4K TV PCB assembly electronic manufacturing . Even with 1080p content on my 4K TV I am always astounded at the improvement in quality, and 4K resolution on your computer is something of a double-edged sword; it’s absolutely beautiful, but once you’ve experienced it you’ll never want to use anything else.

    Another important distinction between Ultra and Playstation Video is that, until recently, Ultra titles were only available for purchase, though legend has it the service has since (or will soon) open for rentals. Many titles support HDR, but selections are effectively limited to Sony Pictures movies and TV shows. Sony films on your UltraViolet catalog can also be streamed on Ultra, and Sony will even let users upgrade Sony UltraViolet titles to 4K “for a special discounted price.” But frankly, you’ll be hard pressed to find virtually anyone using Ultra, as its many restrictions make it one of the least enticing services on the list, and in turn, one of the least battle tested.

    4k, UHD, 1080p, HD – all are specification of the resolution. It tells you how many pixels the TV has. I greatly care for it. Right now my computer monitor is 27″ but only 1080p and I am thinking of upgrading it to a higher resolution one with the same size.”

    Yes, HD does tell you what res your screen 4K UDH Ultra High Definition TV PCB assembly electronic manufacturing is at, but it is redundant next to the words “1080p” which are not much longer and already present prior to every marketing term’s arrival, and obey the marketing rule of bigger number increments. To make matters worse, that then begs the question of why someone bothered inventing both 4K and UHD. The difference is that the consumer cannot differentiate between the use case of a 1200p screen over a 1080p screen, and there is a lot of potential for confusion when you start looking at other non-power of two resolutions on PC monitors because 1080 film stretched to 1200 vertical pixels is uglier than playing it scaled down on a 720p screen in most cases. For marketing reasons, HD and it’s variants were created to ensure that people looking for TVs would not be snared by PC monitors at non-power of two resolutions.

    chojin999
    The DVD standard allows for 480p and 576p progressive content. Not just interlaced MPEG-2 streams.

    probedb
    Indeed but try finding a disc that uses it. Also he says 576p only, no mention of NTSC streams at all.

    Paul Lawrence
    TechCheck is correct. In say 720p (1280 x 720) There are 720 horizontal scan lines or rows “stacked” vertically to create the vertical resolution, and 1280 horizontal dots or pixels in each row arranged in vertical columns left right that create the horizontal resolution. So restating it in other terms, in 4K (4096×2160) The horizontal width 4096 is the “horizontal resolution”, and the vertical height 2160 is the “vertical resolution.”

    The result of this alliance was the UHD Premium specification announced at CES 2016. The specification comprises a list of features that should be included in products like TVs and Blu-ray players to ensure maximum compatibility with other content and hardware produced.

    Currently, in order to adhere to the UHD Premium specification a product must have:

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    The first one results in false detail/moiré/striped patterns in the displayed image due to improper filtering of high spatial frequencies contained in the original image. Thus, all the details exceeding the Nyquist frequency, which is determined by the resolution of the display like a TV or projector, will fold back into the given bandwidth, leading to distortion in the form described before. This issue is not caused by the limited resolution of the display and can principally be avoided by filtering the original image when downscaling it to the proper native display resolution.

    The often witnessed pixelized stairsteps of a low UDH Ultra resolution image is not a direct consequence of what would correctly be called aliasing as no "false frequencies" are present but because the pixel pattern is simply not detailed enough. When reproduced correctly with a non-pixel-based screen in theory, any image would not become pixelized with lower and lower resolution, but only less and less sharp. Which leads to the second type.

    The second type is more precisely called "imaging", at least in the audio domain, however misleadingly often enough called aliasing as well (even in technical literature), and refers to the high frequencies introduced by the nowadays pixel-based display of images. The individual pixels which in theory are only supposed to serve as individual samples for an entirely analog reconstruction, just like with audio, by their nature, when used "as is", have sharp discreet edges which equal high spatial frequencies (which couldn't have been present in the analog original in the first place as they would have been filtered before the A/D-process takes place), leading to a "pixelized" look if inside the visible bandwidth.

    Sony launched its Video Unlimited 4K service in 2013, which offers more than 70 films and TV shows for rental or purchase. It requires Sony's 4K Ultra HD Media Player, the FMP-X1 ($350), which manufacturing comes with a 2TB hard drive and is only compatible with Sony 4K TVs. 24-hour manufacturing TV show rentals are $4 and 24-hour film rentals cost $8. Film purchases are $30. It's not exactly instant gratification, though. Once you rent or buy something, it needs to download to your player, which Sony estimates can take 8 to 15 hours, depending on your Internet connection, so you'd better think ahead if you're planning a 4K movie night.

    If you want to watch right away, Netflix is leading the 4K streaming waters with select shows (House of Cards, Breaking Bad, The Blacklist) and films (Ghostbusters, The Smurfs 2). Currently, however, the content selection is limited at best. Netflix requires new subscribers to be on the highest tier four-stream Family Plan in order to access 4K content. Existing subscribers will be grandfathered into 4K for two years on their existing lower-tier plans.

    That said, Amazon has also gotten into the 4K UHD streaming game by offering some of its highest-rated shows – Transparent, Mozart in the Jungle, Man in the High Castle and Mad Dogs – in Ultra HD.

    Both streaming services say even more content is on its way and expects the roll-out to ramp up once more TV watchers make the jump to the higher-resolution standard.

    After shooting "The Phantom Menace" partly in HD, George Lucas shot "Attack of the Clones" fully digitally in 1080p. This was great for the future Blu-ray release, but the boffins soon found that 1080p wasn't high-enough resolution for giant theater screens. If you sit in the front rows and watch 1080p content, you may see a softer image or even pixel structure, which can be quite distracting.

    The industry needed a resolution that would work if the audience were sitting closer than the optimum "one-and-a-half times the screen height", and found it required that resolution to be higher than 1080p. The Digital Cinema Initiatives (DCI) was formed in 2002 with the goal of setting a digital standard and based on these efforts, two new resolutions came about: a 2K specification, and later in , the 4K format.

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    To save you some hassle, we’ve compiled all current and forthcoming major 4K Ultra HD content sources into one place with details on pricing, popular titles, and when to expect more.

    At Sony's CES it announced that it was going to shoot the World Cup in 4K. It's unclear at this point how this content will be distributed, though live screenings at cinemas are very likely.

    The idea then is that if everyone can agree on what features they think UHD should include then Disney (an example member of the alliance) can produce a movie that Netflix will be able to stream through a Samsung TV, and the eventual image will be exactly manufacturing what the director at Disney intended.

    The author of this article has his horizontal and vertical resolution nomenclature mixed up. He says “As you can see, 4K clearly refers to the fact that the vertical resolution (4096) is just over four thousand” WRONG. It’s the HORIZONTAL resolution that is “just over four thousand”. Later he says “Display and broadcast
    resolutions have always referred to resolution in terms of horizontal
    lines…It is crazy that we’re suddenly referring to TVs and monitors by their vertical resolution.” WRONG. The number of horizontal lines IS the vertical resolution. The number of columns is the horizontal resolution. What’s crazy is that someone writing a Tech column doesn’t know these basics.

    probedb
    Indeed, quite a few manufacturing inaccuracies in this article it makes you wonder whether any research was done at all. DVD was PAL or NTSC it wasn’t 576p, even though later players could deinterlace and output this for PAL discs.

    “HD ready” actually has a logo, or rather two, the author could have found this stuff out just by reading Wikipedia!

    At first glance, Sony’s elusive streaming service, Ultra, looks a lot like the company’s other 4K Ultra HD service described above. However, there are some major differences. First of all, Ultra is a streaming service as opposed to a downloading service, meaning your purchased movies will live in the cloud, not on your device. That has its advantages considering how large 4K titles are (around 40GBs or more). However, to use Ultra, you’ll need to stick with a newer Sony TV. Sony announced it would also make Ultra available for PC streaming with machines running Intel’s 7th generation chip sometime in 2017, but we’ve yet to confirm the support has launched.

    So let’s get down to brass tacks with 4K. First of all: to appease the nerds out there like myself, yes it’s disingenuous that 4K was termed 4K, which is why some manufacturers are choosing to call it something else. Why is it a bit manufacturing disingenuous? To understand that we need to think about how resolutions are typically measured. There are two numbers: the first is the number of horizontal lines of pixels, the second is the number of vertical lines of pixels. The higher those two numbers are, the higher the resolution and the sharper the image. Let’s look at the previous two standards

    720p is a resolution of 1280 horizontal lines by 720 vertical lines
    1080p is a resolution of 1920 horizontal lines 1080 vertical lines
    Reasonably speaking, 4K should be 4000+ vertical lines, right?

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    The latest to jump onto the bandwagon is Apple, with the upcoming Apple TV 4K. If that’s not a robust endorsement of a format, I don’t know what is.

    With all that in mind, here’s crack at UDH Ultra compiling an ultimate guide on 4K. Here are some of the most common 4K-related questions, to save you a load of time and effort when buying a new TV.

    In this context, raising the display resolution as mentioned before introduces two advantages in practise, where pixel-based displays and non-perfect downscaling probably will continue to persist: when downscaling without proper filtering, the higher end-resolution of the display allows more "headroom", where less aliasing will occur because the false frequencies will be "mirrored back" into the regular bandwidth at a later point, becoming eligible or less apparent at least.

    There's still some debate about the final specs, which are peppered with question marks and UDH Ultra often include mere suggestions. In short, though, the Roadmap says this: By the year 2020, UHD TVs should encompass 8K resolution (twice the sharpness of current 4K resolution), a speed of 120 frames per second (twice the refresh rate of most Full HD televisions), and a color space called Rec. 2020, which offers about 40 percent more color than current Full HD televisions.

    The most important thing to take away from this is that the path to fully realized Ultra High Definition will UDH Ultra mean moving through three phases—and we've only made it through Phase 1.

    All of the 4K TVs released in 2014 adhere to Phase 1 standards, which basically only requires a native 4K (3,840 x 2,160) resolution. Over the next five years, we'll continue to see improvements UDH Ultra in other areas of TV PCB assembly electronic manufacturing performance—and quite a few of them should trickle into the market this year.

    Secondly, the higher the display resolution, the higher the high spatial frequencies will be as well, which are introduced by the pixel-based rasterizarion. Compared to the audio domain, it is essentially noise shaping. In the case of images and video, the "noise" will be shifted into frequencies beyond what the eyes are able to resolve, cleaning up the usably bandwidth which is the actual image the user is supposed to see.

    UHDTV, however, allows other image enhancements than pixel density. Specifically, dynamic range UDH and color are greatly enhanced, and these impact saturation and contrast differences that are readily resolved and greatly improve the experience of 4KTV compared to HDTV. UHDTV allows the future use of the new Rec. 2020 (UHDTV) color space which can reproduce colors that cannot be shown with the current Rec. 709 (HDTV) color space.[18]

    In terms of CIE 1931 color space, the new Rec. 2020 color space covers 75.8%, compared to coverage by the DCI-P3 digital cinema reference projector color space of just 53.6%, 52.1% by Adobe RGB color space, while the Rec. 709 color space covers only 35.9%.[18] UHDTV's increases in dynamic range allow not only brighter highlights but also increased detail in the greyscale. UHDTV also allows for frame rates up to 120 frames per second (fps)

    While there are currently no cable boxes that will support 4K in the US, the industry is gearing up for a new broadcast standard which is promised to deliver 4K resolutions. Called HEVC or H.265, this new codec is seen by manufacturers and broadcasters as a way to deliver compressed 4K content economically.

    While receiving HEVC-compressed TV channels will certainly mean a new cable box, nearly every 4K TV PCB assembly electronic manufacturing announced at CES will also include decoding support for the HEVC standard.

    If you recently bought a 4K Ultra HD television — or you’re thinking about scooping one up soon — you will inevitably find yourself on the hunt for 4K UHD content to enjoy (read: show it off) in all of its sweet, eye-popping glory.

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    So I figure I want a 4K Monitor capable TV with support for “DCI that supports x265 (yes, five) and 192Hz, 360Hz, 480Hz (and some lessor amount as a jumping point for lower cable Graphic Cards and CPUs). (Note: hope I did the Math correctly, ‘need’ 60fps 3D 4K quadflash DCI – and an update to their Standards for there to be such a thing).

    Then we could order NEW Movies direct from the Studio and pay $25 (maybe less) a pop to see it on release day, with reduced pricing as the weeks go by.

    That really would not be too big a Technological Leap for Television but (obviously) if we buy a 4K TV today (or next year) then we are ‘stuck’ with a really nice TV that can soon fall a little short of future needs.

    Check out our guide to the best 4K TVs.
    It used to be the case that you'd have to part with thousands in order to purchase a 4K set, but as technology has improved, prices are rapidly falling with even budget sets now being 4K-compatible.

    At the end of the day it might not be the raw resolution of 4K that tempts you into your next TV purchase, but the inclusion of other cool technologies like High-Dynamic Range, Quantum Dot and OLED panels. Before we get into the specifics of each technology, here's a video outlining 4K in a nutshell.

    Check out our video below for an introduction to the world of 4K.


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