Xiangru Bi

Title: Innovations of Xiangru Bi in Microphone Technology

Introduction

Xiangru Bi is a prominent inventor based in Shanghai, China, known for his contributions to microphone technology. With a total of four patents to his name, he has made significant advancements in methods and systems that enhance audio processing and voice separation.

Latest Patents

One of his latest patents is titled "Method and system for compensating frequency response of microphone." This invention provides a method for compensating the frequency response of a microphone array. The process involves multiple microphones receiving a compensation signal from a calibration speaker, outputting various signals, and determining a uniform frequency response based on these outputs. The invention also includes calculating and storing compensation gains for each microphone.

Another notable patent is "Method and system for voice separation based on degenerate unmixing estimation technique." This patent outlines a method for voice separation using the DUET algorithm. It involves receiving signals from microphones, performing a Fourier transform, and calculating parameters for relative attenuation and delay. The method clusters data points and performs an inverse Fourier transform, providing an efficient solution for deploying DUET on software and hardware.

Career Highlights

Xiangru Bi is currently employed at Harman International Industries, Inc., where he continues to innovate in the field of audio technology. His work focuses on improving the performance and functionality of microphone systems, contributing to advancements in sound quality and voice recognition.

Collaborations

Xiangru Bi collaborates with talented coworkers, including Guoxia Zhang and Xueli Fan, who contribute to his projects and innovations in audio technology.

Conclusion

Xiangru Bi's work in microphone technology showcases his innovative spirit and dedication to enhancing audio processing. His patents reflect a commitment to improving sound quality and voice separation, making significant contributions to the field.