In recent years, the rise of VR products like VIVE and Oculus Rift has fueled the growth of the VR market. Meanwhile, the popularity of AR games last year and the widespread use of AR-based red envelopes during the Spring Festival this year have sparked significant interest in the AR market. As a result, VR and AR technologies are gradually becoming part of everyday life. According to Digi-Capital, the global VR and AR market is expected to reach $150 billion by 2020. IDC also reported that China’s VR market could see an explosive 441.2% growth in 2017. In the mainstream VR formats, all-in-one devices and head-mounted displays are capturing more attention, while Google is working to turn the most widely used mobile phones into mobile VR devices. The growing popularity of mobile VR is accelerating the development of the entire VR industry.
Google is building a VR/AR ecosystem through its "dual platform" strategy — Daydream and Tango. High-performance sensors play a key role in this ecosystem and need to be verified for compatibility with Android 7.x HiFi standards. Among these, InvenSense's sensor technology stands out as a leading solution.
The development of a healthy and advanced VR/AR industry relies heavily on standardized ecosystems. As one of the most complex and important areas in the tech world, VR/AR requires common standards to ensure a better user experience with minimal latency. Major players like Google have invested heavily in Daydream and Tango, which has helped accelerate the maturity of mobile VR/AR hardware and software, offering users higher quality and more choices.
According to the Daydream team, the platform has set higher hardware requirements for Android 7.x HiFi. Most smartphones currently on the market do not meet these standards. Motion sensors, which are essential components in both smartphones and head-mounted devices, must pass verification from Daydream and Tango platforms to meet Android 7.x HiFi specifications. InvenSense's sensors are among the leaders in this field.
InvenSense's high-performance sensors have become the preferred choice for VR/AR devices. As a leading provider of MEMS sensor platforms, InvenSense achieved excellent performance on the Daydream and Tango platforms as early as summer 2016. Models such as ICM-20600 and ICM-20602 were verified by Daydream, while the flagship ICM-20690 released at the end of 2016 received dual verification from both Daydream and Tango, significantly enhancing the VR/AR user experience.
Key performance metrics like temperature stability, anti-shake effect (compression ratio - SR), sensitivity (Sensitivity), sensitivity error (SensitivityError), offset temperature drift (Offset vs T), and sensitivity temperature drift (SensitivityDrift vs T) demonstrate InvenSense's outstanding capabilities.
"Providing a better VR and AR experience for end users has always been our goal," said Nicolas Sauvage, Senior Ecology Director at InvenSense. "By working closely with the Daydream and Tango teams, we can focus on key technological nodes and provide the best experience and technical support for Daydream and Tango product users."
In addition to superior hardware performance, InvenSense's unique algorithms ensure mass production and an optimal user experience.
1K Sensor Fusion: An ultra-high iteration frequency of 1 KHz is implemented on a standard MCU to achieve accurate attitude calculation with a time error below 10 PPM.
In-run Calibration: Real-time multi-sensor calibration, more accurate than factory calibration, using simple movements of normal VR headsets.
Predictive Quaternion: By estimating the attitude, the backend rendering system can prepare the corresponding scene in advance, reducing GPU bandwidth and improving smoothness.
Currently, major VR devices like Facebook’s Oculus Rift and HTC Vive, as well as AR devices like Microsoft HoloLens, and many domestic VR/AR vendors, have adopted InvenSense’s sensors. Whether it's the superior performance, cost efficiency, or high-quality software algorithms, InvenSense’s sensing hardware has become the go-to choice for VR/AR devices.
Continuous innovation is driving the next generation of smart devices. The ICM-20690 series of sensors, known for their high performance, are continuously boosting smart devices and accelerating upgrades. Today, high-performance sensors have become an essential part of mobile smart devices, and innovation remains a core focus for sensor platform providers. Just like InvenSense's OIS+UI dual-channel application for 6-axis MEMS sensors, the ICM-20690 not only helped popularize high-end flagships but also passed the “double verification†process, making it a key component in the first commercial devices of Google’s Daydream and Tango platforms. This will drive further upgrades across a wide range of smart devices.
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