This inventor holds 3 USPTO granted patents. Top assignee: Matra Nortel Communications. Active years: 2002-2004.
Company Filing History:
Years Active: 2002-2004
Title: The Innovations of Stéphane Lubiarz
Introduction
Stéphane Lubiarz is a notable inventor based in Osny, France. He has made significant contributions to the field of digital speech processing, holding a total of 3 patents. His work focuses on enhancing the quality and efficiency of digital speech signals.
Latest Patents
Lubiarz's latest patents include a "Method for Conditioning a Digital Speech Signal" and a "Method for Detecting Speech Activity." The first invention involves a method for conditioning a digital speech signal processed by successive frames. This method includes conducting a harmonic analysis to estimate the pitch on each frame where speech activity is detected, followed by oversampling at a frequency that is a multiple of the estimated pitch. The second patent addresses the detection of speech activity in a digital speech signal. This method applies noise suppression based on estimates of noise included in the signal, which are updated for each frame according to the degree of vocal activity. A priori noise suppression is utilized on the speech signal of each frame, analyzing energy variations to detect the degree of vocal activity.
Career Highlights
Stéphane Lubiarz is currently employed at Matra Nortel Communications, where he continues to innovate in the field of digital communications. His expertise in speech signal processing has positioned him as a valuable asset to his company.
Collaborations
Lubiarz collaborates with Philip Lockwood, contributing to advancements in their shared field of expertise.
Conclusion
Stéphane Lubiarz's work in digital speech processing exemplifies innovation and dedication to improving communication technologies. His patents reflect a commitment to enhancing the quality of digital speech signals, making a significant impact in the industry.