Feng Ma

Title: Innovations of Feng Ma in Echo Cancellation and Voice Detection

Introduction

Feng Ma is a notable inventor based in Anhui, China, recognized for his contributions to the fields of echo cancellation and voice detection technologies. With a total of three patents to his name, he has made significant advancements that enhance audio processing capabilities.

Latest Patents

Feng Ma's latest patents include an "Echo cancellation method and apparatus based on time delay estimation." This innovative method involves receiving and preprocessing a microphone signal and a reference signal. It determines frequency point signals with non-linearity in the current echo cancellation scenario and calculates a current delay estimation value. The reference signal is then shifted based on this estimation, and an adaptive filter is updated to perform effective echo cancellation.

Another significant patent is the "Target voice detection method and apparatus." This method involves receiving sound signals from a microphone array and performing a beamforming process to obtain beams in various directions. It extracts detection features from the sound signals and inputs them into a pre-constructed target voice detection model, resulting in accurate target voice detection.

Career Highlights

Feng Ma has worked with prominent companies such as Iflytek Co., Ltd. and Iflyiek Co., Ltd. His experience in these organizations has contributed to his expertise in audio technology and innovation.

Collaborations

Feng Ma has collaborated with notable individuals in his field, including Haikun Wang and Zhiguo Wang. These collaborations have likely fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Feng Ma's work in echo cancellation and voice detection showcases his innovative spirit and dedication to advancing audio technology. His patents reflect a commitment to improving communication systems and enhancing user experiences in various applications.