Automotive Infotainment System Test Solutions

GIT's in-vehicle infotainment (IVI) testing solution is designed for the smart automotive industry, integrating diverse communication protocol testing and audio validation technologies to provide comprehensive performance verification for IVI systems. The solution supports WIFI/BT/AM/FM wireless communication testing, GPS/GNSS positioning system validation, Speaker/Microphone audio quality testing, as well as FPD-Link/GMSL high-speed digital interfaces, CAN/LIN/Ethernet in-vehicle network communication, and A2B audio bus testing, ensuring connectivity and entertainment experiences in modern smart vehicles meet the highest standards. 

IVI 車用資訊娛樂系統

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Manufacturing Challenges of Testing Automotive Information and Entertainment Systems

First and foremost is the challenge of integrating and testing diverse communication protocols. Cars now need to support multiple wireless communication technologies simultaneously, including WiFi, Bluetooth, AM/FM radio, and GPS/GNSS positioning. Each communication protocol has its own specific technical specifications and testing requirements, and interference and compatibility issues between these systems further complicate testing. The test system needs to be able to simulate various communication environments and verify system stability and performance when multiple signals coexist. 
The second challenge is the verification of high-speed digital interfaces and in-vehicle networks. With advancements in in-vehicle display technology, high-speed digital interfaces like FPD-Link and GMSL are widely used in automotive display systems, handling large volumes of image data transmission. Meanwhile, in-vehicle network protocols such as CAN, LIN, and Ethernet manage communication coordination between various vehicle systems. The testing solution must validate the signal integrity, transmission rates, and error rates of these high-speed digital interfaces while ensuring stable communication across in-vehicle networks under various load conditions. 
The quality of these entertainment audio signals directly impacts the driver and passenger experience, requiring precise testing of parameters such as the audio system's frequency response, distortion, and dynamic range. The implementation of A2B audio bus technology, in particular, has made in-car audio systems even more complex, requiring verification of multi-channel audio synchronization, latency characteristics, and signal-to-noise ratio. Furthermore, the microphone system's voice recognition accuracy and noise reduction effectiveness must be tested under various in-car ambient noise conditions.

Solution Features

Multi-protocol wireless communication testing platform

Integrated testing capabilities for WiFi, Bluetooth, and GPS/GNSS positioning systems, verifying performance and compatibility of various wireless communication protocols to ensure stable and reliable in-vehicle connectivity. 

In-vehicle network communication testing

Provides comprehensive testing for in-vehicle network protocols such as CAN, LIN, and Ethernet, verifying communication stability, transmission efficiency, and error handling to ensure coordinated operation across vehicle systems.

High-speed digital interface verification

Supports testing of advanced high-speed digital interfaces like FPD-Link and GMSL, validating signal integrity, transmission rates, and display quality to ensure a high-quality visual experience for in-vehicle display systems. 

Professional audio quality validation

Equipped with professional audio testing tools, supporting Speaker/Microphone audio quality testing and A2B audio bus validation to ensure superior auditory experiences and voice interaction functionality in in-vehicle audio systems. 

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