Hitoshi Ohmura

Title: **Hitoshi Ohmura: Innovator in Acoustic Signal Processing**

Introduction

Hitoshi Ohmura, an inventive mind based in Higashimurayama, Japan, has made significant contributions to the field of acoustic signal processing. His ingenuity is showcased in a patented method that enhances the quality of audio signals through advanced coding schemes. As a dedicated inventor, Ohmura's work is recognized within the technology sector, particularly in telecommunications.

Latest Patents

Ohmura holds a patent for a "Method for the modification of LPC coefficients of acoustic signals." This innovative technique involves the transformation of p-order LPC coefficients of an input signal into n-order LPC cepstrum coefficients. These coefficients are subsequently modified, allowing for improved audio fidelity in coding scenarios. By calculating the log power spectral envelopes of the input signal along with a suitable masking function, and applying inverse Fourier transforms, this method paves the way for more accurate audio processing. The final modified coefficients serve as filter coefficients in perceptual weighting filters, demonstrating a novel approach to enhancing audio quality.

Career Highlights

Hitoshi Ohmura is currently employed at Nippon Telegraph and Telephone Corporation (NTT), a prestigious company known for its advancements in telecommunications and technology. His position allows him to explore innovative solutions and refine audio processing techniques, contributing to the ongoing evolution of telecommunications infrastructure.

Collaborations

During his career, Ohmura has worked alongside notable colleagues, including Takehiro Moriya and Kazunori Mano. These collaborations have enabled the sharing of ideas and fostering innovation, which is essential in the fast-paced tech industry. Working in a collective environment has enriched Ohmura's research and development initiatives.

Conclusion

Hitoshi Ohmura is a prominent figure in the realm of acoustic signal innovation. His patented method not only reflects his expertise but also underscores the potential for continued advancements in audio technology. As he continues to collaborate with esteemed peers at Nippon Telegraph and Telephone Corporation, the future of his contributions promises to enhance the quality and reliability of audio signals in various applications.