投稿時間:2024-11-28 06:29:20 RSSフィード2024-11-28 06:00分まとめ(28件)

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AWS	AWS Big Data Blog	Develop a business chargeback model within your organization using Amazon Redshift multi-warehouse writes	https://aws.amazon.com/blogs/big-data/develop-a-business-chargeback-model-within-your-organization-using-amazon-redshift-multi-warehouse-writes/	Now we are announcing general availability GA of Amazon Redshift multi data warehouse writes through data sharing This new capability allows you to scale your write workloads and achieve better performance for extract transform and load ETL workloads by using different warehouses of different types and sizes based on your workload needs	2024-11-27 20:22:50
AWS	AWS Big Data Blog	Unlocking near real-time analytics with petabytes of transaction data using Amazon Aurora Zero-ETL integration with Amazon Redshift and dbt Cloud	https://aws.amazon.com/blogs/big-data/unlocking-near-real-time-analytics-with-petabytes-of-transaction-data-using-amazon-aurora-zero-etl-integration-with-amazon-redshift-and-dbt-cloud/	In this post we explore how to use Aurora MySQL Compatible Edition Zero ETL integration with Amazon Redshift and dbt Cloud to enable near real time analytics By using dbt Cloud for data transformation data teams can focus on writing business rules to drive insights from their transaction data to respond effectively to critical time sensitive events	2024-11-27 20:20:41
AWS	AWS Big Data Blog	Intel Accelerators on Amazon OpenSearch Service improve price-performance on vector search by up to 51%	https://aws.amazon.com/blogs/big-data/intel-accelerators-on-amazon-opensearch-service-improve-price-performance-on-vector-search-by-up-to-51/	OpenSearch Service is a managed service for the OpenSearch search and analytics suite which includes support for vector search By running your OpenSearch domains on C M R i instances you can achieve up to a price performance gain compared to the past R instances on OpenSearch Service As we discuss in this post this launch offers improvements to your infrastructure total cost of ownership TCO and savings	2024-11-27 20:02:20
AWS	AWS Machine Learning Blog	Efficiently train models with large sequence lengths using Amazon SageMaker model parallel	https://aws.amazon.com/blogs/machine-learning/efficiently-train-models-with-large-sequence-lengths-using-amazon-sagemaker-model-parallel/	In this post we demonstrate how the Amazon SageMaker model parallel library SMP addresses this need through support for new features such as bit floating point FP mixed precision training for accelerated training performance and context parallelism for processing large input sequence lengths expanding the list of its existing features	2024-11-27 20:39:54
AWS	AWS Machine Learning Blog	Getting started with Amazon Bedrock Agents custom orchestrator	https://aws.amazon.com/blogs/machine-learning/getting-started-with-amazon-bedrock-agents-custom-orchestrator/	In this post we explore how Amazon Bedrock Agents simplify the orchestration of generative AI workflows particularly with the introduction of the custom orchestrator feature You can use the custom orchestrator to fine tune and optimize agentic workflows that align more closely with specific business and operational needs We outline the feature s key benefits including full control over orchestration real time adjustments and reusability followed by a breakdown of how it manages state transitions and contract based interactions between Amazon Bedrock Agents and AWS Lambda	2024-11-27 20:32:26
AWS	AWS	DeviceAtlas Customers Scale on AWS to Support Real-Time Intelligence | Amazon Web Services	https://www.youtube.com/watch?v=ur6OYKi3uqs	DeviceAtlas customers says chief technology officer Ronan Cremin have massive requirements They analyze trillions and trillions of records to get the actionable intelligence that allows them to tailor content optimize engagement and drive revenue Hear how hundreds of businessesーfrom startups to technology giants to consumer brandsーrun DeviceAtlas efficiently using Amazon Web Services AWS Learn more about how AWS is helping its European customers innovate Subscribe More AWS videos More AWS events videos Do you have technical AWS questions Ask the community of experts on AWS re Post ABOUT AWSAmazon Web Services AWS is the world s most comprehensive and broadly adopted cloud platform offering over fully featured services from data centers globally Millions of customers ーincluding the fastest growing startups largest enterprises and leading government agencies ーare using AWS to lower costs become more agile and innovate faster AWS AmazonWebServices CloudComputing	2024-11-27 20:11:23
AWS	AWS	ubloquity on generative AI and how using AWS boosted growth 5x in 6 months | Amazon Web Services	https://www.youtube.com/watch?v=DBRYRPqX8FU	Kieran Kelly ubloquity s CTO and co founder sees big promise in combining the power of blockchain and generative artificial intelligence AI The distributed ledger technology firm uses Amazon Web Services AWS to make supply chain tracking and cross border trade of goods easier for its customers Hear how the business has grown four to five times in six months with the ability to scale and run large language models in the AWS Cloud Learn more about how AWS is helping its European customers innovate Subscribe More AWS videos More AWS events videos Do you have technical AWS questions Ask the community of experts on AWS re Post ABOUT AWSAmazon Web Services AWS is the world s most comprehensive and broadly adopted cloud platform offering over fully featured services from data centers globally Millions of customers ーincluding the fastest growing startups largest enterprises and leading government agencies ーare using AWS to lower costs become more agile and innovate faster AWS AmazonWebServices CloudComputing	2024-11-27 20:10:49
AWS	AWS	FINEOS Keeps Critical Data Safe in the AWS Cloud for Global Customers | Amazon Web Services	https://www.youtube.com/watch?v=8gkLC7YhjKQ	A provider of core systems for insurers in the employee benefits industry FINEOS needs to know it can meet data compliance requirements wherever its customers are around the world Chief technology officer Jonathan Boylan talks about delivering new solutions with the scale and security of Amazon Web Services AWS And how using the cloud means FINEOS can help insurers innovate Learn more about how AWS is helping its European customers innovate Subscribe More AWS videos More AWS events videos Do you have technical AWS questions Ask the community of experts on AWS re Post ABOUT AWSAmazon Web Services AWS is the world s most comprehensive and broadly adopted cloud platform offering over fully featured services from data centers globally Millions of customers ーincluding the fastest growing startups largest enterprises and leading government agencies ーare using AWS to lower costs become more agile and innovate faster AWS AmazonWebServices CloudComputing	2024-11-27 20:10:10
AWS	AWS	NCBI Uses Generative AI and AWS to Help People with Sight Loss Access Information	https://www.youtube.com/watch?v=sHQ-3KDDI2U	The National Council for the Blind of Ireland NCBI worked with Amazon Web Services AWS Partner Cation Consulting using generative artificial intelligence AI to transform the lives of the people it supports Kyran O Mahoney NCBI s chief technology officer says the pioneering project has been an amazing success It s lessening isolation and allowing parents to educate their children in a secure environment The solutionーwhich uses Amazon Alexa and Amazon Lexーprovides a blueprint for other charities and non governmental organizations to adopt game changing voice technology Learn more about how AWS is helping its European customers innovate Subscribe More AWS videos More AWS events videos Do you have technical AWS questions Ask the community of experts on AWS re Post ABOUT AWSAmazon Web Services AWS is the world s most comprehensive and broadly adopted cloud platform offering over fully featured services from data centers globally Millions of customers ーincluding the fastest growing startups largest enterprises and leading government agencies ーare using AWS to lower costs become more agile and innovate faster AWS AmazonWebServices CloudComputing	2024-11-27 20:09:35
AWS	AWS	Wellola Builds Digital Solutions to Support Secure Healthcare Delivery Using AWS	https://www.youtube.com/watch?v=6Gs5fMS8ATc	How Wellola handles data is critical And meeting ISO compliance standards is a big reason why it uses Amazon Web Services AWS to host its communication and care platform Portasana CEO Sonia Neary talks about the confidence Wellola has in the security and scalability of AWS which helps the digital software firm serve healthcare organizations across Ireland and the UK Learn more about how AWS is helping its European customers innovate Subscribe More AWS videos More AWS events videos Do you have technical AWS questions Ask the community of experts on AWS re Post ABOUT AWSAmazon Web Services AWS is the world s most comprehensive and broadly adopted cloud platform offering over fully featured services from data centers globally Millions of customers ーincluding the fastest growing startups largest enterprises and leading government agencies ーare using AWS to lower costs become more agile and innovate faster AWS AmazonWebServices CloudComputing	2024-11-27 20:08:44
AWS	AWS	Secure HR and Payroll Delivery: UKG Company Immedis Uses Amazon Web Services (AWS)	https://www.youtube.com/watch?v=973pBC_P_tU	Everything in AWS just works says David Quirke chief information security officer and chief information officer at HR and payroll specialist Immedis The UKG company delivers services to customers in more than countries and handles sensitive personal and financial information which means meeting strict data security standards AWS helps it comply with General Data Protection Regulation GDPR International Organization for Standardization ISO requirements and more Learn more about how AWS is helping its European customers innovate Subscribe More AWS videos More AWS events videos Do you have technical AWS questions Ask the community of experts on AWS re Post ABOUT AWSAmazon Web Services AWS is the world s most comprehensive and broadly adopted cloud platform offering over fully featured services from data centers globally Millions of customers ーincluding the fastest growing startups largest enterprises and leading government agencies ーare using AWS to lower costs become more agile and innovate faster AWS AmazonWebServices CloudComputing	2024-11-27 20:06:36
AWS	AWS	Treemetrics uses AWS for tech-driven innovation in Forest Management | Amazon Web Services	https://www.youtube.com/watch?v=uooiwI--GBI	Treemetrics measurement technology helps forestry professionals make better decisions that increase sustainability in forest management Garret Mullooly the company s operations director talks about using Amazon Web Services AWS to support data intensive workloads and how flexibility and cloud knowhow give Treemetrics a great platform from which to innovate Learn more about how AWS is helping its European customers innovate Subscribe More AWS videos More AWS events videos Do you have technical AWS questions Ask the community of experts on AWS re Post ABOUT AWSAmazon Web Services AWS is the world s most comprehensive and broadly adopted cloud platform offering over fully featured services from data centers globally Millions of customers ーincluding the fastest growing startups largest enterprises and leading government agencies ーare using AWS to lower costs become more agile and innovate faster AWS AmazonWebServices CloudComputing	2024-11-27 20:05:53
AWS	AWS	Workhuman Prioritizes Data Protection in the AWS Cloud | Amazon Web Services	https://www.youtube.com/watch?v=IcNq1_Pp57s	When it comes to keeping data safe Workhuman gets support and advice from Amazon Web Services AWS that gives the company and its customers peace of mind Vice president of architecture Mark Greville talks about complying with General Data Protection Regulation GDPR and ISO standards And how building its Workhuman Cloud employee recognition software on AWS has been a massive success Learn more about how AWS is helping its European customers innovate Subscribe More AWS videos More AWS events videos Do you have technical AWS questions Ask the community of experts on AWS re Post ABOUT AWSAmazon Web Services AWS is the world s most comprehensive and broadly adopted cloud platform offering over fully featured services from data centers globally Millions of customers ーincluding the fastest growing startups largest enterprises and leading government agencies ーare using AWS to lower costs become more agile and innovate faster AWS AmazonWebServices CloudComputing	2024-11-27 20:05:41
AWS	AWS	Workhuman: Putting Recognition at the Heart of Work with Generative AI and AWS	https://www.youtube.com/watch?v=bKWlIVz7yZM	Workhumanーa pioneer in human capital management solutionsーis harnessing the power of generative artificial intelligence AI and Amazon Web Services AWS to amplify appreciation in the workplace Vice president of architecture Mark Greville talks about innovation and AWS And how the cloud provider s customer focus helps Workhuman keep its recognition software at the cutting edge with services like Amazon Bedrock Learn more about how AWS is helping its European customers innovate Subscribe More AWS videos More AWS events videos Do you have technical AWS questions Ask the community of experts on AWS re Post ABOUT AWSAmazon Web Services AWS is the world s most comprehensive and broadly adopted cloud platform offering over fully featured services from data centers globally Millions of customers ーincluding the fastest growing startups largest enterprises and leading government agencies ーare using AWS to lower costs become more agile and innovate faster AWS AmazonWebServices CloudComputing	2024-11-27 20:03:16
海外TECH	Engadget	Steam’s Autumn Sale sees deep discounts on LCD Steam Decks and select games	https://www.engadget.com/gaming/steams-autumn-sale-sees-deep-discounts-on-lcd-steam-decks-and-select-games-202918983.html?src=rss	It may not be Black Friday yet but the holiday shopping blitz is already well underway with some significant discounts on games and gaming devices Steam is in the middle of its Autumn Sale that runs until December and includes a discount on the LCD Steam Deck No it s not the OLED Steam Deck but Steam is offering the GB Steam Deck with a percent discount that brings the price down to Steam s sale also offered the smaller GB LCD model with a percent discount for less than but they ve already run out of stock This may be the best time to pick up a Steam Deck since last summer In June Steam knocked down the price of the GB variant to just under and the GB version for under The and GB models are discontinued and won t be available once Steam runs out of stock The GB LCD model is sticking around for a little while longer for those gamers who can t afford the fancier versions If you re going to buy a Steam Deck you ll need some games to play on it Steam Autumn Sale also includes some sweet deals on games like Baldur s Gate for and Total War Warhammer III for and early access to Supergiant s Hades II for Steam also has some cool discounts on older games that you ve been meaning to play like Double Fine s Psychonauts and Ubisoft s Assassin s Creed Odyssey for each Star Wars Jedi Fallen Order nbsp for and Cities Skylines for This article originally appeared on Engadget at	2024-11-27 20:29:19
海外TECH	Engadget	The best projector for 2024	https://www.engadget.com/home/home-theater/best-projectors-123004354.html?src=rss	If you re looking to take your movie nights gaming sessions or even big sports games to a whole new level a projector is a great investment With projectors you re not limited to a single screen size you can expand the display to fit almost any wall or even set up a big screen outdoors for those summer movie nights under the stars And if you re really looking to make the most of your space a projector can even replace your TV giving you that cinema like experience right at home without a bulky screen taking up too much room Whether you re setting it up in the living room a dedicated home theater or taking it outside for an outdoor movie night projectors add a ton of versatility and excitement Plus many projectors now come packed with features like high resolutions and vibrant colors so you re not sacrificing quality for size Table of contents Best UST projectors under Best projectors under Best UST projectors under Best projector under Best projectors under Best budget portable projectors What to look for in a projector The technology LCD and DLP projectors Projector FAQs Engadget s top picks As with previous updates I m dividing projectors into ultra short throw and long throw categories As mentioned ultra short throw models have rapidly established themselves in the market due to the extra performance and convenience and all manufacturers sell at least a couple of models Within the ultra short throw category We ll compare two price categories under and with three projectors each In the long throw category we re again looking at projectors under and with three products in each range Finally we ll take a look at the best portable projectors Best UST projectors under More ultra short throw projectors under Epson EpiqVision Ultra LS If you need the brightest possible image Epson s LCD powered EpiqVision Ultra LS delivers It s rated at up to lumens making it one of the brightest ultra short throw projectors in any price range It also supports HDR modes in HDR and HLG and is sold with both inch and inch ALR screens making the price effectively lower The main drawback is that it only offers double the pixels of p rather than four times like competing DLP tech It also offers a relatively weak watt built in speaker system HiSense LG This is HiSense s new flagship UST that uses a tricolor laser to achieve high brightness ANSI lumens and an incredible percent BT HDR coverage topping even Samsung s formidable LSPT It has a powerful W Dolby Atmos sound system and built in Android TV with Google Assistant and Alexa Best of all that price includes a inch ALR Daylight screen or for an extra you can get it with a inch ALR cinema screen Best projectors under More projectors under Optoma UHZLV Optoma s UHZLV also uses a long lasting laser light source to deliver a lumen image much brighter than any lamp powered projector It also delivers true K resolution up to p thanks to the TI inch DLP chip The extra brightness and contrast make it ideal for HDR or HLG content It also comes with desirable features for a long throw laser projector like a x zoom and vertical lens shift LG CineBeam HUPW K Speaking of long throw laser projectors LG s CineBeam HUPW is another excellent pick at a much lower price point There are some compromises as the laser light pushes out a lower lumens that s still a lot and it has a smaller inch DLP chip that delivers slightly lower perceived resolution However it has dual blue and green lasers which help it deliver accurate HDR colors with an excellent percent DCI P coverage It also offers a x zoom with lens shift and an HDMI port that allows for K at p with up to bit color depth It comes with LG s webOS so it supports Amazon Prime Netflix Hulu and other streaming services without the need for a dongle Sony VPL VWES If you re looking for a true native K projector Sony s VPL VWES is the least costly option out there It s by far the sharpest K projector in this roundup thanks to Sony s proprietary K SXRD native DCI K x panels It also delivers extremely accurate colors with percent DCI P coverage and HDR HLG support You also get niceties like a zoom lens with powered zoom lens shift and focus The main drawback is a relatively dim lumen brightness but it s a top pick if picture quality is paramount above all Best UST projectors under More ultra short throw projectors under Optoma CinemaX P Optoma s CinemaX P made our list last year but it s one of the best projectors now because the price has dropped considerably It delivers lumen brightness impressive contrast ratio and accurate colors with percent DCI P coverage It s not quite as sharp as the pricier projectors as it uses TI s inch rather than inch DLP tech though you ll still get a near K image The CinemaX P may also better match your living room decor as it comes in white rather than dark grey like the P The watt NuForce Dolby Digital soundbar is one of the best on any ultra short throw projector as well On the downside it does offer apps but they re not as good as you ll find on say Google s Chromecast BenQ Vi BenQ s first UST laser projector is at the top end of the price scale at but it offers some impressive capabilities Light output is a bright ANSI lumens and it delivers a full percent DCI P coverage for as good an HDR experience as you can get on a projector You also get a Filmmaker Mode to see colors as the directors intended It s powered by Android TV so you get all the streaming services and apps you want along with apps games and more The downside is the lack of decent speakers as it only offers dual watt speakers with clear sound but limited bass Epson EpiqVision Ultra LSW If you re okay with p projection Epson s EpiqVision Ultra LSW is a very interesting option because of the design excellent sound built in Android TV and extreme ANSI lumen brightness That allows for a wide color gamut with no rainbow effect excellent connectivity and very good sound without the need to buy a soundbar or surround sound system Best of all it s priced at just making it one of the cheaper short throw projectors out there Best projectors under More projectors under Optoma UHD For extra brightness and speed for gaming the answer is Optoma s all new K capable UHD It cranks the lumens up to and like the Viewsonic PX K offers Hz gaming at p with one of the lowest latency figures we ve seen yet in a projector at milliseconds Otherwise you can do K Hz gaming with milliseconds of lag which is very quick for K It s optimized more for gaming than entertainment unlike BenQ s HTi but it can still handle HDR and HLG It supports both zoom albeit just x but also vertical and horizontal lens shift Epson Home Cinema K Pro Epson s Home Cinema K Pro is the Cadillac of under K home projectors thanks to features like lumen brightness dynamic iris and motorized zoom x focus and lens shift This Epson projector delivers in picture quality too covering percent of the DCI P color space in cinema mode with both HDR and HLG It also offers near K quality using x LCD image chips with pixel shifting The drawbacks are lack of support for Hz K due to the HDMI ports If you need that want to pay a bit less and don t care about the motorized focus Epson s Home Cinema K Pro is the way to go It offers similar features like HDR and HLG but supports K p thanks to the HDMI b ports There s no motorization and the zoom drops to x but it supports generous tilt shift and zoom ranges Best projectors under More projectors under BenQ HTA For around the BenQ HTA is still one of the best budget p projectors It delivers where it counts with the best contrast ANSI and color accuracy in its class and is reasonably bright as well with lumens in vivid mode On top of that it comes with a x zoom and vertical lens shift option for maximum installation flexibility The drawbacks include slightly excessive fan noise rainbow effect and red tinted D Optoma HDX If you re looking to spend a little less on a budget projector the Optoma HDX is your best option Using DLP tech it delivers p at up to lumens with excellent brightness color accuracy contrast and black levels You also get decent millisecond input lag for gaming The drawbacks are a single HDMI port x optical zoom and poor built in audio Best budget portable projectors More budget portable projectors BenQ GS This model is designed specifically for outdoor entertainment so it s battery powered and splash and shock resistant making it your best bet for backyard movie nights or for watching sports events camping and more It s also one of the brightest portable projectors out there and has a battery life of up to three hours This outdoor projector only delivers p resolution but it does come with a streaming app in the form of Aptoide TV Anker Nebula Solar HD This full HD projector has a pretty rich feature set considering the price including a battery This portable projector delivers lumens for reasonably bright outdoor use has a reasonably powerful xW speaker system with Dolby Digital Plus comes with Android TV and has a built in stand for easy adjustment What to look for in a projector Ultra short throw Since the last time we updated our guide ultra short throw projectors have become the hot new category offering several benefits You can mount them close to the wall like a TV with no need to run wires through the walls and ceiling but still get an immersive image as large as inches ーsomething that s impossible with a TV unless you re very rich They use brighter lasers that never need to be replaced ーand because laser light is collimated focusing is eliminated They re also physically less awkward to install than a ceiling mounted projector though that doesn t mean installation is super easy To get the perfect screen fit and alignment you must place them an exact height and distance from your wall or screen This can be quite a pain as I ve discovered You also need a perfectly flat wall or projector screen because ultra short throw projectors beam up at an acute angle so any imperfections will show as shadows For that reason you can t use a roll down screen because they have slight ripples For the best results particularly with a lot of ambient light you should use an ambient light rejecting ALR screen Those have small ridges that reflect light from below back to your eyes but absorb any light ie ambient light that comes from above For one of those you ll need to budget at least and way up Some projectors including models from Epson and HiSense come with ALR screens Brightness and contrast Home theater projectors generally range in brightness between to lumens but you ll need to take those figures with a grain of salt Some models might actually hit lumens or more but cranking the lamp to that level will hurt the image quality and lifespan of your bulb Also some manufacturers tend to exaggerate maximum brightness As a point of reference many K flat panel TVs nowadays can hit nits of brightness but the brightest consumer projectors only display between and nits from the screen That s not as big a deal as it might seem because projector images are much larger and meant to be used in dark rooms where your eyes will automatically adjust to the light and brighten the image Contrast is also substantially different on home theater projectors Unlike OLED TVs projectors don t allow for zero black levels because of ambient light reflections and other reasons You also can t have local dimming zones found on LED TVs for true blacks Some projectors do have a dynamic iris to improve the contrast scene by scene but those can often produce a pumping effect with the image dimming or brightening in mid scene Elite Starling Mounting and fan noise A big advantage of regular long throw projectors is that you can mount the projector and screen on the ceiling using zero space in your room If you plan to do that don t forget to budget for a mounting bracket and any necessary long cables including extra power for Google s finicky Chromecast though you could opt for a smart projector with built in streaming apps instead Also keep in mind that it s easier to mount a lightweight home theater projector and DLP models are usually lighter than those with LCD tech Some projectors are noisier than others and usually the more you spend the less noise you get Many of the new K DLP projectors when operating in K mode are particularly noisy There s one other cool thing if you have a portable projector or even one that is relatively easy to take down and put up you can take it outside for magical night screenings under the stars HDR and resolution As related to projectors these things could each take up an entire article In fact they have ーfor a deeper dive take a look at Projector Central s excellent takes on HDR and resolution On the resolution front only expensive projectors have native K resolution indeed most movie theaters still use K projectors for various reasons However there are many relatively inexpensive DLP projectors that use pixel shifting to attain K resolution That system emits each pixel four times while moving it to the correct position for a K image all in less than th of a second As such it puts as many pixels on the screen in the same amount of time as a K native projector ーand visually it performs nearly as well On the other hand Epson s LCD K enhanced projectors also have p resolution but the image is just shifted twice not four times So those projectors are not K natively or otherwise but do produce double the pixel count of a p projector If you really want a K native projector you ll have to pay two of the cheapest ones are Sony s VPL VWES and JVC s DLA NX HDR is a very different animal on projectors compared to TVs As mentioned projectors can t produce anywhere close to the amount of light required nits to qualify as true HDR Rather they use a technique called tone mapping to fit the entire HDR gamut into a lower brightness range For that reason among others almost all projectors only support HDR Only one uses Dolby Vision the Xiaomi Laser Cinema only available officially in China and just a couple of models work with Samsung s HDR ーand those are Samsung s own Premiere K models However most support a wider bit color gamut that allows for superior color reproduction Optics If you re mounting a short or long throw projector between five and feet you might need to consider the zoom range and whether the projector has a lens shift option A decent zoom range will make it easier to mount the projector where you want with the screen size that you want If the projector has an auto focus feature it will adjust the lens to create a sharper image by calculating the distance between your projector and the wall or screen Lens shift meanwhile is used if the projector is mounted higher or lower relative to the screen than recommended by the manufacturer or any horizontal distance off center That creates a trapezoidal shaped image but by dialing in some lens shift you can optically square it up Otherwise you might have to use a keystone correction which digitally stretches or shrinks part of the image resulting in noticeable distortion or pixel artifacts Digital correction might not work in gaming modes either for some projector models Gaming If you re interested in a gaming projector you ll want to look up the refresh rate and input lag figures Some new projectors from Viewsonic Optoma and others offer up to Hz p refresh rates and input lag settings down to or milliseconds When paired with a compatible projection screen you can expect an immersive experience from your game console on the big screen However some projectors designed more for home entertainment have very poor input lag and refresh rates at just Hz Portable projectors Finally portable projectors have become popular enough to merit discussion this year They re relatively cheap compact and portable and can run on batteries making them ideal for entertainment outside or while camping These outdoor projectors are not nearly as bright as others of course but are more designed for a fun night of entertainment under the stars The technology LCD and DLP projectors Here are the basics Traditional projectors generally use two types of technology LCD and DLP They re fundamentally different systems with their own advantages and drawbacks The rise of ultra short throw projectors and brighter long throw models meanwhile has been powered by falling prices in laser illumination technology Lasers are a far better solution than lamps because they re brighter and last far longer ーup to hours instead of That s essentially a lifetime of use about years Most projector manufacturers now use DLPs or digital light processing units manufactured nearly exclusively by Texas Instruments TI The heart of the tech is an optical semiconductor called a digital micromirror device DMD that contains millions of aluminum mirrors Those tilt either toward the light source on or away from it off at up to times per second Budget projectors like BenQ s HTi use TI s inch DMD while higher end models like the Samsung Premium LSPT use the inch chip Both use mirrors that tilt by and degrees for white and black but TI recently unveiled a new inch K capable DMD with degrees of tilt which should enhance both brightness and contrast DLP projector makers include LG Optoma LG BenQ and Panasonic The benefits of the tech are portability like Samsung s The Freestyle degree projector high contrast less fringing and cheaper projectors especially K and ultra short throw models The biggest drawback is the rainbow effect or bright red blue green artifacts that affect some viewers more than others LCD tech meanwhile uses a prism to split a light source into red green and blue beams Those then pass through LCD displays containing the image and converge via another prism before passing through the projector s lens Epson is the primary user of LCD tech along with Sony Sanyo and others LCD projectors tend to be sharper more efficient and more color accurate but have lower contrast ratios and can experience image degradation over time In general they re also more expensive Projector FAQs Are K projectors better Yes because higher resolution is more noticeable on larger screens so K is particularly useful with projectors since they beam images up to inches in size That being said brightness and contrast are more important Is a projector better than a TV Projectors can provide a more immersive experience thanks to the large screen but they re not necessarily better Since you usually have to dim the lights with a projector TVs are superior for everyday use Is lumens bright enough for a projector Yes lumens is easily bright enough even with some ambient light in the room However the image will still be hard to see with the windows open on a bright day Should I get a K or p projector That depends on your budget and needs If your budget is below look for a p projector with the best brightness and contrast Between you ll need to weigh whether brightness or K resolution is most important Above that choose the brightest K projector you can afford What are the best projectors in daylight The best projectors in daylight are ultra short throw UST models as they have the brightest and sharpest image However they generally cost more than Do you need a screen for a better projector experience Technically you don t need a screen to use a projector ーany light colored smooth wall can work in a pinch But if you want to get the most out of your projector a screen can make a difference Projector screens are designed to reflect light evenly and enhance contrast so colors look more vibrant and the picture appears sharper With a screen you ll notice darker blacks and brighter colors which can give a real boost to your movie nights or gaming sessions So while you can absolutely enjoy a projector without one a screen can make the experience feel a bit more like your own personal theater Should I buy a portable or home projector It depends on how and where you plan to use it If you want a projector you can easily move around bring to friends houses or set up indoors or outdoors easily a portable projector is a great choice They re usually smaller lightweight and often have built in speakers and batteries making them convenient for on the go use On the other hand if you re looking for a more permanent setup for a home theater or living room a home projector might be the way to go Home projectors tend to be more powerful with higher resolution and brightness which gives you that crisp cinema quality experience They re ideal if you have a dedicated space and don t mind leaving it set up in one spot This article originally appeared on Engadget at	2024-11-27 20:01:28
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