Location History:
- Issy Les Moulineaux, FR (1988 - 1998)
- Le Plessis-Robinson, FR (2013)
Company Filing History:
3 out of 1,156 
2 out of 6 
1 out of 3 Years Active: 1988-2013
Title: Pierre Duhamel: Innovator in Audio Signal Processing
Introduction
Pierre Duhamel is a notable inventor based in Issy Les Moulineaux, France. He has made significant contributions to the field of audio signal processing, holding a total of 9 patents. His work focuses on innovative methods for quantifying audio signals and improving system responses.
Latest Patents
Duhamel's latest patents include groundbreaking inventions such as a method for quantizing components based on multiple audio signals. This method involves applying a linear transformation to the audio signals and determining a quantification function that considers psycho-acoustic masking thresholds. Another significant patent is for a process and device for adaptive identification and echo cancellation. This invention allows for the estimation of a system's response to input signals by adapting the coefficients of an identification filter based on error signals.
Career Highlights
Throughout his career, Pierre Duhamel has worked with prominent organizations, including France Telecom and the French State represented by the Minister Delegate for Posts. His experience in these companies has allowed him to develop and refine his innovative ideas in audio technology.
Collaborations
Duhamel has collaborated with notable professionals in his field, including Hedi Hmida and Christine Guillemot. These partnerships have contributed to the advancement of his research and inventions.
Conclusion
Pierre Duhamel's contributions to audio signal processing through his patents and collaborations highlight his role as an influential inventor. His innovative methods continue to impact the field significantly.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.