Hironobu Chiba

Title: Hironobu Chiba: Innovator in Sound Source Enhancement Technology

Introduction

Hironobu Chiba is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of sound source enhancement technology. With a total of two patents to his name, Chiba's work focuses on optimizing sound processing and improving audio quality in various applications.

Latest Patents

Chiba's latest patents include a PSD optimization apparatus, a PSD optimization method, and a program that enhances sound source capabilities. His technology is designed to improve sound source enhancement capabilities based on specific usage settings and applications. The PSD optimization device he developed includes a PSD updating unit that processes input values for target sound, interference noise, and background noise. By solving an optimization problem related to these variables, the device generates output values that enhance audio quality. The optimization problem is defined using constraints and convex cost terms that relate to the frequency, temporal, and spatial structures of the sound source.

Career Highlights

Hironobu Chiba is currently employed at Nippon Telegraph and Telephone Corporation, where he continues to innovate in the field of sound technology. His work has garnered attention for its practical applications in improving audio experiences across various platforms.

Collaborations

Chiba has collaborated with notable coworkers, including Kenta Niwa and Noboru Harada. Their combined expertise contributes to the advancement of sound source enhancement technologies.

Conclusion

Hironobu Chiba's innovative work in sound source enhancement technology showcases his dedication to improving audio quality through advanced optimization methods. His contributions are significant in the realm of audio processing and continue to influence the industry.