Hiroko Numazu is a prominent inventor based in Kadoma, Japan. She has made significant contributions to the field of audio technology, holding a total of eight patents. Her work focuses on enhancing sound field and sound image control, which has important applications in various audio systems.

Latest Patents

One of her latest patents is a sound field and sound image control apparatus and method. This innovative apparatus calculates filter coefficients for controlling sound fields and sound images based on a plurality of first impulse response signals and a pair of second impulse response signals. The first impulse response signals indicate how loudspeakers reproduce audio signals to both ears of a listener. The second impulse response signals represent impulse responses from a reference loudspeaker, which helps localize the sound image for the listener. The apparatus includes a feature extracting section, a signal adjusting section, and a coefficient calculating section, all working together to optimize the audio experience.

Career Highlights

Hiroko Numazu is currently employed at Matsushita Electric Industrial Co., Ltd., where she continues to develop her innovative ideas. Her work has been instrumental in advancing audio technology, making it more immersive and realistic for users.

Collaborations

Throughout her career, Hiroko has collaborated with notable colleagues, including Akihisa Kawamura and Masaharu Matsumoto. These collaborations have further enriched her work and contributed to the success of her projects.

Conclusion

Hiroko Numazu is a trailblazer in the field of sound technology, with her patents reflecting her dedication to innovation. Her contributions continue to shape the future of audio experiences, making her a significant figure in her industry.

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