Company Filing History:
Years Active: 2006
Title: Walter Kellerman: Innovator in Acoustic Echo Cancellation
Introduction
Walter Kellerman is a notable inventor based in Eckental, Germany. He has made significant contributions to the field of audio signal processing, particularly in the area of multichannel acoustic echo cancellation. His innovative work has led to the development of a unique device and method that enhances audio transmission systems.
Latest Patents
Walter Kellerman holds a patent for a "Device and method for carrying out multichannel acoustic echo cancellation with a variable number of channels." This invention involves a multichannel full-duplex audio signal transmission system that includes an adaptive filter designed for multichannel acoustic echo cancellation. The system features a channel combining device that allows multiple loudspeakers to connect to a single preprocessing unit, optimizing the convergence ratio of the adaptive adjustment of filter coefficients.
Career Highlights
Kellerman's career is marked by his work at Grundig Multimedia B.V., where he has applied his expertise in audio technology. His innovative approach has contributed to advancements in audio signal processing, making significant impacts in the industry.
Collaborations
Walter Kellerman has collaborated with Herbert Buchner, further enhancing his work in the field of audio technology. Their partnership has fostered innovation and development in multichannel audio systems.
Conclusion
Walter Kellerman's contributions to acoustic echo cancellation technology demonstrate his commitment to innovation in audio processing. His patent and work at Grundig Multimedia B.V. highlight his role as a key figure in advancing audio signal transmission systems.