2023-05-13 07:00:00
On June 12th, Sony will release a 27-inch spatial reproduction display “ELF-SR2” that can visually recognize 3D images with the naked eye. The estimated market price is 550,000 yen (including tax).
The 15.6-inch “ELF-SR1”, which is equivalent to its predecessor, was released in 2020, but according to the company, the old model and the new model will be sold together.
Overview of ELF-SR2
Sony’s spatial reproducible display uses its unique vision sensor and line-of-sight recognition technology to constantly detect the position of the viewer’s eyes and generate optimal 3D images for each eye. This enables a clear and vivid stereoscopic viewing experience even with the naked eye.
Its first machine, the ELF-SR1, has been used in fields such as 3D models, VR/AR content development, architecture and design, medicine, and archiving of cultural assets. Its large version, the ELF-SR2, is expanding its use cases, from 3DCG production to content display applications for the general public.
As main target fields/applications, the company cites industrial design, medical education, healthcare, architecture, design, entertainment, and showroom displays.
The reason for the 27-inch is that it can cover almost all viewing angles at an appropriate viewing position, and also achieves a powerful stereoscopic view even with tall content. Furthermore, it is said that the monitor size used by many creators is 27 inches. The display resolution is 4K (3840 x 2160 pixels).
Not only does this increase the sense of immersion when viewing 3D images, it also makes it easier to check the details of 3DCG data, contributing to improved content production quality. In addition, it is now possible to check industrial products at their actual size, and in the field of industrial design, it is possible to review designs while comparing them with the actual product.
There are three major improvements from the ELF-SR1: “improved line-of-sight recognition and tracking performance”, “able to check images from a wide range”, and “supports mask recognition”. In particular, this model is equipped with a second-generation high-speed vision sensor, which makes it possible to grasp the position of the eyes more quickly and accurately, and it is now possible to display 3D images according to the position.
On the other hand, because of this technology, it can only be used by one person, and if two or more people are looking at it from the front, or if multiple people are looking at it from above, the vision sensor can’t keep up with the eyes, resulting in a three-dimensional image. cannot see.
A big improvement from the ELF-SR1. The point is that it is possible to grasp the position of the eyes faster and more accurately than the ELF-SR1.
The point is that the ELF-SR2, which is conscious of “showing”, is equipped with a super-resolution engine that makes use of the company’s TV “BRAVIA” know-how. By detecting edges and high-bandwidth signals and applying optimal corrections to 3D images, it is possible to achieve high-definition 3D images even on a 27-inch screen.
BRAVIA’s know-how has also been incorporated into image quality. The maximum color depth is 10bit, covering approximately 100% of the Adobe RGB color gamut. It is superior to the ELF-SR1 in terms of color reproducibility, and “(in terms of color reproducibility) is not significantly different from a 2D monitor” (Yoshiyuki Ota, Product Management Department, Incubation Center Metaverse Business Development Department).
Mr. Yoshiyuki Ota from Sony Incubation Center Metaverse Business Development Division Product Management Department
With the ELF-SR1, image upconversion processing (2K → 4K) and face recognition processing were left to the connected PC, so a PC with relatively high specifications (one with an independent GPU of GeForce RTX 2070 SUPER or higher) It was necessary to connect and use.
On the other hand, the ELF-SR2 has started to perform these processes itself (= offload burden), so the specifications required for the PC have been reduced. According to Mr. Ota, “Gaming notebook PC class is enough”.
In addition, it has a function to correct “color moire”, which is said to be noticeable on large screens, making limbs and details more conspicuous, making it possible to express clear images. Crosstalk, which causes afterimages, is also corrected with a new and improved algorithm. As a result, it is said that crosstalk such as the angle difference between the left and right eyes and the local temperature change of the panel is less likely to occur.
As a benefit of the larger screen, the ELF-SR2 can now be equipped with a 100 x 100mm VESA mount, and VESA mount-compliant stands and arms can also be used.
When used in a stationary position, the angle of the display does not change, but if a stand or arm is attached, the angle can be changed. However, the company recommends using it with a 45-degree tilt, and “that angle gives the highest spatial reproducibility,” says Mr. Ota.
The video input is equipped with USB Type-C (DisplayPort Alternate Mode compatible), DisplayPort, HDMI 2.0, and also has a 3.5mm audio jack and a 1W output monaural speaker.
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