Company Filing History:
Years Active: 2016-2017
Title: Inventor Jingming Xu: Innovating Echo Cancellation and Noise Reduction Technologies
Introduction
Jingming Xu, an accomplished inventor based in Shanghai, China, has made significant strides in the fields of signal processing and audio technology. His expertise has led to the development of innovative methods and apparatuses aimed at improving sound quality in various applications, as evidenced by his impressive portfolio of six patents.
Latest Patents
Xu's latest patents showcase his ingenuity in tackling complex audio challenges. One notable patent is a method and apparatus for reducing distortion echo. This invention employs a K-path amplification and pre-distortion process on the downlink reference signal to generate pre-distorted signals. The use of self-adaptive filters for further processing ensures that echo loss is minimized, thereby enhancing the audio experience, especially in scenarios where speakers exhibit significant distortion.
Another important patent involves detecting and switching between noise reduction modes in multi-microphone mobile devices. This innovative method allows devices to analyze sound signals received by different microphones, compare their power levels, and dynamically switch between single and dual-microphone noise reduction modes. Such advancements are crucial for mobile device manufacturers striving to provide superior audio experiences for their users.
Career Highlights
Jingming Xu is currently associated with Spreadtrum Communications (Shanghai) Co., Ltd., where he continues to push the boundaries of audio innovation. His work in this capacity highlights his dedication to developing state-of-the-art solutions for communication and audio-related challenges.
Collaborations
Throughout his career, Xu has collaborated with brilliant minds, including his coworkers Sheng Wu and Bin Jiang. Their combined expertise fosters an environment where cutting-edge ideas flourish, leading to various breakthroughs in their respective fields.
Conclusion
Jingming Xu stands out as a key contributor to the world of audio technology, with a demonstrated ability to innovate and effectively address real-world audio issues. His patents not only reflect his skills as an inventor but also indicate the ongoing importance of research and development in evolving communication technologies. As Xu continues to create, the future of sound processing and echo cancellation holds promising potential.
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