Tatsuya Terashima

Title: Innovations by Tatsuya Terashima: Advancements in Tuning and Evaluation Technologies

Introduction: Tatsuya Terashima, an inventor based in Shizuoka, Japan, has made significant contributions to the field of sound technology through his innovative patents. As an employee of Yamaha Corporation, his work has focused on enhancing sound processing and evaluation methods.

Latest Patents: Terashima holds two notable patents that exemplify his expertise. The first is a **Tuning Estimating Apparatus**, which involves a unique mechanism for calculating tuning information based on input sounds. This apparatus includes an input sound acquirer, a pitch calculator, and a tuning value calculator. The tuning value calculator assesses the offset between a tuning reference position and a reference position on a distribution of calculated pitches, allowing for precise tuning adjustments based on peak distributions.

The second patent is an **Evaluation Device and Evaluation Method** designed to analyze input sound. This device features an acquisition unit that captures the sound, a feature value calculation unit that processes it, and a detection unit that identifies break positions corresponding to the start of each sound. Based on these break positions, an evaluation value is calculated to assess the degree of temporal regularity, which is crucial for sound quality evaluation.

Career Highlights: Throughout his tenure at Yamaha Corporation, Terashima has distinguished himself as a forward-thinking inventor. His work has not only contributed to product development but has also pushed the boundaries of how sound can be analyzed and manipulated for enhanced performance and user experience.

Collaborations: In his innovative journey, Terashima has collaborated with esteemed colleagues such as Shuichi Matsumoto and Ryuichi Nariyama. Their joint efforts have undoubtedly enriched the research and development processes at Yamaha Corporation, leading to groundbreaking advancements in sound technology.

Conclusion: Tatsuya Terashima’s patents reflect his deep understanding of sound dynamics and technology. His contributions to the field through his work at Yamaha Corporation continue to influence how sound is tuned and evaluated, showcasing the vital role of inventors in driving innovation forward.