Alexandre Briot

Title: Innovations by Alexandre Briot in Speech Processing Technology

Introduction

Alexandre Briot is a notable inventor based in Paris, France. He has made significant contributions to the field of speech processing technology, particularly in the development of methods for enhancing communication in noisy environments. With a total of 2 patents, his work has been instrumental in advancing hands-free telephone devices.

Latest Patents

Briot's latest patents include a method of selecting one microphone from two or more microphones for a speech processor system, such as a hands-free telephone device operating in a noisy environment. This method involves digitizing sound signals from multiple microphones, executing a short-term Fourier transform, and applying an algorithm to determine the presence of speech. The selected microphone is then used for speech processing, ensuring clarity in communication.

Another significant patent by Briot focuses on detecting double talk situations in hands-free telephone devices. This invention utilizes a microphone to detect speech from a near speaker and a loudspeaker to reproduce speech from a remote speaker. The device employs an adaptive linear filtering algorithm to cancel interfering acoustic echoes. Double talk situations are identified by evaluating an index that represents the algorithm's convergence or divergence, allowing for real-time adjustments to improve communication quality.

Career Highlights

Throughout his career, Alexandre Briot has worked with prominent companies, including Parrot and Parrot Automotive. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the field of audio technology.

Collaborations

Briot has collaborated with talented individuals such as Michael Herve and Benoit Pochon. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in speech processing.

Conclusion

Alexandre Briot's contributions to speech processing technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the challenges in communication and provide effective solutions for enhancing user experience in hands-free devices.