Infineon and Reality AI Announce Advanced Sensing Solution to Teach Cars How to Hear

By Tiera Oliver

Associate Editor

Embedded Computing Design

May 18, 2021


Infineon and Reality AI Announce Advanced Sensing Solution to Teach Cars How to Hear

Infineon Technologies AG together with Reality AI created an advanced sensing solution giving vehicles the sense of hearing

This solution adds XENSIV MEMS microphones to existing sensor systems. It enables cars to “see” around the corner and to warn about moving objects hidden in the blind spot or approaching emergency vehicles that are still too distant to see.

The new sensing solution from Infineon and Reality AI will be showcased at Infineon’s Virtual Sensor Experience, is based on XENSIV MEMS microphones in combination with AURIX microcontrollers (MCU) and Reality AI’s Automotive See-With-Sound (SWS) system. Using machine learning-based algorithms, the system is able to detect emergency vehicles, cars, and other road participants – even if they cannot be seen by drivers or detected by the sensors incorporated in the vehicles’ ADAS. Machine learning also ensures that the country-specific sirens of emergency vehicles are recognized in all parts of the world.

The automotive-qualified XENSIV MEMS microphone IM67D130A has an increased operating temperature range from -40 °C to +105 °C allowing various use cases in harsh automotive environments. The low distortions (THD) and the high acoustic overload point (AOP) of 130 dB SPL enable the microphone to capture distortion-free audio signals in loud environments. Per the company, this permits a reliable classification, even if the siren sound is hidden in high background or wind noise. This sound-base sensing technology can also enable other applications in vehicles such as road condition monitoring, damage detection, or even predictive maintenance.

For processing the audio signal, the Reality AI software makes use of Infineon’s AURIX TC3x family of MCUs which is used across multiple automotive applications. The scalable MCU family offers a range from one to six cores and up to 16 MB of Flash with functional safety up to ASIL-D according to the ISO26262 2018 standard and EVITA full cybersecurity. AURIX TC3x gives customers the performance and flexibility to implement XENSIV MEMS microphones in ADAS use-cases.

The XENSIV MEMS microphone IM67D130A can be ordered now in a PG-LLGA-5-4 package.

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Tiera Oliver, Associate Editor for Embedded Computing Design, is responsible for web content edits, product news, and constructing stories. She also assists with newsletter updates as well as contributing and editing content for ECD podcasts and the ECD YouTube channel. Before working at ECD, Tiera graduated from Northern Arizona University where she received her B.S. in journalism and political science and worked as a news reporter for the university’s student led newspaper, The Lumberjack.

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