Location History:
- Yokohama, JA (1977)
- Yokohama, JP (1979)
Company Filing History:
Years Active: 1977-1979
Title: The Innovative Journey of Fumio Maruyama in Binaural Sound Technology
Introduction
Fumio Maruyama, an inventive mind based in Yokohama, Japan, has contributed significantly to the realm of audio technology. With two patents to his name, Maruyama has demonstrated a profound understanding of sound reproduction, particularly in binaural audio systems, which aim to enhance the listener's experience by simulating how we naturally perceive sound.
Latest Patents
Maruyama's recent inventions include groundbreaking developments in binaural sound reproduction. The first patent is for a **Binaural Sound Reproducing System**. This innovative system utilizes a transducer to convert recorded binaural information into electrical signals across separate channels. Moreover, it features a convolution integrator designed to adjust for acoustical discrepancies caused by the facial differences between the dummy head used for recording and the individual listener.
The second patent, titled **Binaural Four-Channel Stereophony**, expands on this concept by incorporating at least two dummy heads fitted with microphones. These microphones capture audio signals from various sources, allowing for a more immersive auditory experience. The system employs an acoustic crosstalk cancellation circuit, which channels the binaural signals to front or rear loudspeakers. This setup expertly simulates the binaural effects of a closed-circuit binaural sound reproducing system, localizing sound sources intricately between the speakers.
Career Highlights
Currently, Fumio Maruyama is associated with the Victor Company of Japan, Limited, where he has the opportunity to further explore his passion for sound technology. His work has not only advanced the field but also garnered recognition within the audio engineering community.
Collaborations
Throughout his career, Maruyama has collaborated with esteemed colleagues such as Makoto Iwahara and Goro Fujiki. These partnerships have fueled innovation, allowing the team to push the boundaries of binaural sound technology, ensuring that auditory experiences become increasingly lifelike for users.
Conclusion
Fumio Maruyama's contributions to binaural sound systems highlight his commitment to innovation in audio technology. His latest patents reflect a deep understanding of sound reproduction and an ability to develop systems that enhance listening experiences. As he continues his work at the Victor Company of Japan, Limited, Maruyama's impact on the audio industry is poised to grow, inspiring future advancements in how we perceive sound.