We are a globally recognized innovator of sound, image, and voice technologies for cinemas, home theaters, PCs, mobile devices, and games.
The Magic Inside Dolby
The Dolby Institute
The Dolby Theatre
Working at Dolby
Learn how we support up-and-coming filmmakers during the creative process.
Get an inside look at how our team of scientists and engineers creates the magic behind your entertainment experiences.
Dolby in the Cinema
Be captivated by your favorite movies in Dolby sound.
Dolby Surround 7.1
Dolby Atmos Cinema Sound
Dolby Atmos propels you into the story with powerful, all-around sound.
Find a Movie Theatre
See your favorite movies in Dolby Atmos, Dolby Surround 7.1, or Dolby 3D.
Dolby at Home
Transform your living room into a sophisticated home theater with amazing sound and true-to-life video quality.
The Evolution of Surround Sound
Dolby led the evolution of stereo sound into surround and beyond.
Dolby Vision captures the story with incredibly bright colors, ultra-dark blacks, and vivid hues.
Dolby on the Go
Stellar sound quality. All of your favorite content. Wherever life takes you.
Amazon and Dolby Are Changing Mobile
Learn how Dolby and Amazon are changing the way you enjoy mobile entertainment.
Rediscover the Magic of Life of Pi
Hear the difference Dolby audio makes when you watch Life of Pi on your mobile device.
Dolby at Work
Improve productivity by transforming the conference call into an in-person meeting experience with Dolby Voice and the Dolby Voice Conference Phone.
Dolby Voice Conference Phone
Feel like you're right there in the room with the stunning clarity of Dolby Voice.
We've reinvented the conference phone to deliver lifelike clarity and conversational ease.
Partners and Professionals
Find Dolby solutions, services, and support that can help you create more engaging products, content, and entertainment experiences.
PC and Mobile
Apply for a license to include Dolby technologies in your products.
Log in to the Dolby Customer portal to find partner tools, documents, and policies.
Find warranty and policy information for Dolby hardware and software.
The Dolby Professional Reference Monitor PRM-4220 is the most accurate display for creating any type of entertainment content. The first flat panel to outperform the CRT, the Dolby PRM-4220 is the new industry standard.
Dolby Professional Reference Monitor PRM-4220 Front View
The Dolby® Professional Reference Monitor PRM-4220 enables the creative process for colorists and cinematographers by ensuring that the final image will reflect exactly what you see on the display. The most accurate color-correction monitor available, it displays the full dynamic range that the latest advanced digital cameras can capture.
As a color-grading monitor, the Dolby Professional Reference Monitor uses 3D LUTs to emulate the full gamut and contrast ratio of film, as well as the color profile of digital cameras. This makes DCI P3 color grading possible without the use of a digital projector.
Each Dolby video reference monitor can replace a collection of other professional video monitors, allowing HD and digital cinema workflows in the same room.
Learn why postproduction facilities find the Dolby Professional Reference Monitor indispensable to their workflow.
Outlasts all other display types in color accuracy and provides absolute black levels, with true blacks and superior dark details
Allows calibration to perfectly match digital screening environments and to emulate the response of film-print stocks during the digital intermediate color-correction process
Supports high frame rates (HFR): 48 frames per second (fps) and 60 fps
Delivers a wide viewing angle of 90 degrees horizontal (45 degrees on either side of the center point) and a refresh rate of 120 Hz
Gives you offscreen, intuitive access to all features, functions, and parameters through simple, easy-to-use menus; can be rackmounted or used on the desktop
Validates calibration, generates test patterns, and creates and loads 1D and 3D LUTs into the monitor via Ethernet for monitor-matching, pre-vis looks, and other LUT uses
"The ease of use and flexibility of the monitor, its robust build, and future-ready technology make it an obvious investment in a growing part of our business."
-Kevin Horsewood, Colorist, Prime Focus
"With the number of films being processed by our studios rapidly rising, it is necessary that we ensure they meet the most exacting production standards possible. The [Dolby Professional Reference Monitor] guarantees that viewers will perceive a film exactly as its director intended it to be seen."
-Surachedh Assawaruenganun, CEO, Kantana Digital Post
"Why spend the money on the Dolby® monitor? The answer is simple: confidence. Having technological confidence in a display device gives confidence to the colorist. A confident colorist helps make a confident client."
-Michael Cioni, CEO, Light Iron "Several displays in the market use EBU Tech 3320 as a benchmark. To date, no display officially measured by an EBU Member's lab has fulfilled all requirements. The latest (and closest to fulfilling the whole specification Tech 3320 v2.0 ) is the [Dolby Professional Reference Monitor] measured by the IRT (early 2011). In addition, it has the advantage of being the only large-size flat panel display (42 inches). While 24 inches is the common size for production displays, larger-size reference monitors are needed to assess consistently the quality of HDTV content normally viewed on displays larger than 32 inches."
-EBU Tech-i, Issue 10, December 2011, pages 10-11
"The Dolby Professional Reference Monitor allows us to help content creators realize their artistic vision with the confidence of the highest level of color accuracy available today."
-Stefan Sonnenfeld, President, Creative Services, Deluxe Entertainment Services Group
"Dolby has the 'wow' factor that hits you as you enter the suite. No other comparable product has the picture quality and also the scale of this monitor. We have not seen any other LCD monitor capable of handling an image in the way the Dolby product does. Nice whites, nice blacks, nice soft color, no artifacts. Very impressive."
-Scott Harris, Colorist, Glassworks Amsterdam
"The Dolby monitor is a big part of bringing in more work-or closing the deal, at least. It gives us a differentiator in Toronto. Our color-correct business has increased by 70 percent, and it is really due to the monitor."
-John Laing, Managing Partner, Urban Post Production
"The Dolby monitor changes the game completely."
-VP, Postproduction Technology, major film studio
"Feature-film production is rapidly moving toward a model where calibrated displays are needed near set. The Dolby Professional Reference Monitor allows us to see exactly what has been shot. If there are any questions, it ends the conversation."
-Marc Dando, Managing Director, Codex Digital
"I used the Dolby Dynamic Reference mode for some tradeshow presentations of Alexa material graded in Film Master, and this monitor is as close to looking out a window as I have ever seen. Also, after a long day of intense grading, I felt none of the eyestrain that I have noticed from other monitors."
-Kevin Shaw, Colorist, Instructor, and Consultant; Cofounder of the International Colorist Academy
"My biggest like about the monitor is the size-I swear that you'll never see your image looking that good again. There are no other types of displays out there that can match the image performance and accuracy of the Dolby reference monitor." -Nigel Hadley, Nucoda Senior Product Manager, Image Systems
Log in to the Dolby Customer portal for help with your customer or partner account, or to read warranty and maintenance policies.
Send us your questions or feedback.
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