Behind Dolby Vision Revolution

Behind Dolby Vision Revolution

Dolby Vision is the talk of the town in the realm of home theater entertainment for sure.

But what exactly is it, and does it truly revolutionize the viewing experience as so many claims?

What is finally Dolby Vision?

Dolby Vision is a proprietary high dynamic range (HDR) video format developed by Dolby Laboratories back in 2014. It is designed to enhance the visual experience by delivering greater contrast, brightness, and color depth compared to standard dynamic range (SDR) or other high dynamic range (HDR) video formats.

Dolby Vision achieves this by utilizing dynamic metadata, which provides detailed scene-by-scene instructions for Dolby Vision-capable displays to accurately render content. Dolby Vision-enabled display devices leverage this metadata alongside their own brightness, contrast, and color capabilities, ensuring each scene is depicted with precision for a captivating viewing experience.

Essentially, Dolby Vision establishes new benchmarks for nearly all aspects of image quality, impacting both content creators and display device manufacturers. It encompasses both the software and hardware aspects of image rendering, pushing them to their fullest potential.

Some notable key features of Dolby Vision include:

Enhanced Brightness: Dolby Vision supports higher peak brightness levels (up to 10.000 nits!), allowing highlights to appear brighter and more realistic. This results in improved contrast and detail, particularly in scenes with a wide range of light and dark elements.

Wider Color Gamut & 12-Bit Color Depth: Dolby Vision expands the range of colors that can be reproduced on screen, resulting in more vibrant and lifelike images. This wider color gamut of Rec.2020 color space and the extreme 12-Bit color depth, allows for more accurate representation of the colors found in the real world, enhancing the overall visual fidelity of the content.

SDR Compatibility: Dolby Vision content is compatible with SDR displays, allowing viewers without Dolby Vision-capable TVs to still enjoy the content. While not as impactful as on Dolby Vision displays, the content retains improved picture quality compared to traditional SDR content.

HDR10 Compatibility: To ensure backward compatibility with HDR10 devices that don't support dynamic metadata, Dolby Vision content includes a compatibility layer. This layer contains static metadata that represents an average of the dynamic metadata instructions, allowing HDR10 devices to render the content with reasonable accuracy.

Perceptual Quantization (PQ) Gamma: Dolby Vision content is typically encoded using the Perceptual Quantization (PQ) transfer function, which allows for a wider dynamic range and improved color accuracy compared to traditional gamma curves. The dynamic metadata adjusts the PQ curve dynamically for each scene, ensuring that the content is displayed accurately on the target display device. The PQ gamma is also compatible with other HDR formats such as HDR10 and HLG (Hybrid Log-Gamma). This compatibility ensures that content encoded using PQ can be enjoyed on a wide range of HDR-compatible devices, even if they don't support Dolby Vision specifically.

Dynamic Metadata: One of the key advantages of Dolby Vision is its use of dynamic metadata. Unlike static HDR formats, which apply the same settings to every scene in a movie or TV show, Dolby Vision in conjunction with PQ encoding adjusts the brightness, contrast, gamma and color settings dynamically on a frame-by frame basis. This ensures that each scene is optimized for the specific characteristics of the content, resulting in a more consistent and immersive viewing experience.

Wide Industry Adoption: Many major Hollywood studios, streaming platforms, and device manufacturers have embraced Dolby Vision as the preferred HDR format, ensuring a growing library of content and widespread availability of Dolby Vision-compatible devices. This industry-wide adoption enhances consumer access to high-quality HDR content and compatible devices.

Greater Content Control: Dolby Vision gives content creators greater control over how their content is displayed on Dolby Vision-compatible displays. This allows filmmakers and directors to preserve their artistic vision and ensure that viewers experience their content as intended, with precise control over brightness, contrast, and color grading.

Constant evolution and new features: This cutting-edge technology is all about continuous evolution and introducing innovative features, like the new feature named Dolby Vision IQ for example. Unlike traditional HDR implementations, which rely solely on the content's metadata to adjust picture settings, Dolby Vision IQ takes into account the ambient light in the viewing environment. By using sensors or algorithms built into compatible displays, Dolby Vision IQ can analyze the brightness and color temperature of the room and adjust the HDR content accordingly. This means that whether you're watching a movie in a darkened room or during the day with sunlight streaming in, Dolby Vision IQ can adapt the picture settings to maintain the intended contrast, brightness, and color accuracy of the content.


Dolby Vision & AWOL RGB Laser TVs

AWOL Laser TVs stand out as one of the few selected projectors equipped with Dolby Vision certification. This endorsement signifies that they have successfully passed all the rigorous tests conducted by Dolby Vision labs, ensuring full compliance with Dolby's exacting standards. These tests encompass evaluations of brightness, contrast, color accuracy, and dynamic metadata handling, guaranteeing optimal performance when rendering Dolby Vision content.

Real screenshot - AWOL LTV-2500

AWOL LTV-2500 Dolby Vision Screenshot

Featuring impressive attributes such as 107% true Rec.2020 color space coverage and intelligent dynamic laser dimming algorithm for exceptional scene-by-scene contrast, alongside their high brightness capabilities, AWOL Laser TVs provide one of the best ways to fully immerse yourself in the Dolby Vision experience.


Is Dolby Vision the future?

Dolby Vision is now supported by a wide range of devices, including TVs, projectors, Laser TVs, streaming media players, Blu-Ray UHD players, and next-gen gaming consoles of course. Additionally, many major Hollywood studios and streaming services have adopted Dolby Vision as their preferred HDR format for delivering premium content to viewers. As a result, Dolby Vision has become increasingly prevalent in the home entertainment market, offering consumers a superior viewing experience with compatible content and devices.

With its highly advanced technical characteristics and the willingness it shows for continuous evolution, Dolby Vision is poised to continue enhancing the way we consume and enjoy visual content across a variety of platforms and devices.

So, the next time you hear about it, know that it's more than just a marketing gimmick, it's a transformative force that's reshaping the landscape of home entertainment for real.

Dolby Vision is the thing!

AWOL Vision