Chiho Haruta

Title: Innovations by Inventor Chiho Haruta

Introduction: Chiho Haruta is a notable inventor based in Tokyo, Japan. With a focus on system identification and sound source separation technologies, Haruta holds two patents that showcase her expertise in these fields. Her work has contributed significantly to the advancement of signal processing and system analysis.

Latest Patents: Haruta's latest patents include a system identification device and method, alongside a sound source separation apparatus. The system identification device is designed for fast real-time identification of a system from input/output data, utilizing a robust filter that manages disturbances effectively. This innovative device evaluates filter performance by ensuring that the maximum energy gain from disturbances remains below a specified upper limit. The filter provides a state estimation value that plays a crucial role in system analysis.

The sound source separation apparatus represents another significant innovation by Haruta. This device incorporates a separation-matrix processor that transforms multiple observation signals from various sound sources into a group of frequency-domain signals. By updating the separation matrix based on these signals, it generates time-series filter coefficients that help separate the sounds effectively. The apparatus also features a filter-coefficient transformer that removes non-causal components, enhancing the quality of the output separation signals.

Career Highlights: Throughout her career, Chiho Haruta has been associated with esteemed organizations, including Rion Company Ltd. and the Inter-university Research Institute Corporation Research Organization of Information and Systems. Her work in these institutions has bolstered her reputation as a leading innovator in her field.

Collaborations: Haruta has collaborated with several notable individuals, including her coworkers Masahiro Sunohara and Nobutaka Ono. Together, they have contributed to the research and development of advanced technologies in signal processing and system identification.

Conclusion: Chiho Haruta's contributions to innovation, particularly in system identification and sound source separation, reflect a deep understanding of complex engineering principles. With her patents, she continues to influence the fields of signal processing and technology, ensuring that her work resonates in the industry for years to come.