Dec 3, 2024
Insights from a PlayStation Developer: The Past, Present, and Future of Real-Time Interactive Technology (2/2)
Teiji Yutaka, a contributor in the development of the original PlayStation®, has been deeply involved in the gaming sector for years. Recently, he has been at the forefront of research on cutting-edge technology for interactive entertainment, including games. His work spans a wide array of advanced technologies, such as photorealistic CG rendering using real-time ray tracing and UI technology that incorporates cognition-oriented intelligent information processing. We sat down with him to discuss his career and his passion for technology.
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Teiji Yutaka
Distinguished Fellow
Sony Interactive Entertainment Inc.
Enhancing Accuracy with Computational Power and AI
──What would you say is Sony’s key strength in the gaming field?
In gaming, real-time capability is essential; it forms the basis of everything we create. A major strength of Sony is the ability to apply technology originally developed for gaming to other fields. For example, in virtual production, the camera must be synchronized with the displayed background in real time, which directly leverages real-time CG technology horned in gaming. Applying realistic effects like real-time ray tracing to other industries can lead to even greater advancements.
Another promising area is the combination of simulation and AI. Simulation relies on computational power to derive answers through deduction, while AI uses induction, applying knowledge and data from the past to predict outcomes. By combining these approaches, we can take a new path: progressing calculations partially and using AI’s inductive reasoning to reach final conclusions. This hybrid approach expands possibilities beyond conventional methods.
The previously mentioned PlayStation 5 Pro’s (PS5® Pro) PlayStation® Spectral Super Resolution (PSSR) is a prime example of this approach. For instance, it can render in 2K resolution and then upscale it seamlessly to 4K with high sharpness using AI. Beyond just PSSR, I believe Sony’s team of Distinguished Engineers (DE), each excelling in their respective fields, will continue to leverage their strengths and collaborate effectively to enhance Sony’s unique capabilities.
──How do these technological advancements ultimately benefit game users?
This may sound like a wild idea, but one concept is that through AI, content could become more customized to individuals.
Currently, everyone experiences the same content, but in the future, content might adapt dynamically to each person’s preferences, and skill level. Thanks to AI, it could evolve in real time. This approach is particularly promising for games, where players’ proficiency levels are more evident. For instance, the game could subtly adjust the difficulty to keep them engaged, enhancing the experience and reducing the likelihood of disengagement.
From Collaboration Between Engineer and Creator
Leads a Creation Shift
──Could you share how you come up with ideas?
The first key is input—gaining a range of experiences. Good ideas rarely emerge if you’re fixated only on your area of expertise. At Sony, people often ask me to “take a look at this demo,” and I try not to miss these input opportunities, even in areas seemingly unrelated to my field, such as medical technology.
Another crucial aspect is my morning jogs. I jog about 5 kilometers, and during that time, ideas surface from everything I’ve taken in. Sometimes, the best ideas come not while sitting at a desk but when you’re doing something completely different.
──PlayStation will celebrate its 30th anniversary this December. Could you share your thoughts on this milestone?
It’s been 30 years since we launched the original PlayStation in 1994. To this day, PlayStation continues to receive support from countless users, and its technology has kept evolving. I believe this longevity is largely thanks to the clear direction set from the start. By establishing high hurdles like "real-time" and "3D graphics" from the very beginning, we laid a foundation that encouraged combining various technologies. These advances have evolved in line with increasing computational power, and I am deeply grateful to have been a part of such a remarkable product.
──Finally, could you tell us about your goals moving forward?
At a recent Corporate Strategy Meeting, the Sony Group outlined its commitment to “maximizing IP value through a Creation Shift.” Reflecting on my own experiences, I believe that no matter how advanced the hardware is, content cannot exist without creators who resonate with it and wish to contribute. Sony’s engineers must engage not only within electronics but also more actively with creators. Although these fields have entirely different cultures, I believe that Sony, with its diverse talents, can achieve a true Creation Shift through mutual respect and collaboration.
Currently, as a part of Sony’s team of Distinguished Engineers (DE), I co-lead the “Content Technology Strategy Committee,” a cross-functional initiative to share knowledge across the Sony Group with other DE team members. This initiative brings together individuals from both entertainment and electronics to foster innovation. I am excited to see what new content will emerge from this unique fusion of perspectives.
