This inventor holds 11 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1997-1999.
Location History:
- Tokyo, JP (1997 - 1999)
- Kanagawa, JP (1997 - 1999)
Company Filing History:
Years Active: 1997-1999
Title: Mito Sonohara: Innovator in Digital Signal Processing
Introduction
Mito Sonohara is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of digital signal processing, holding a total of 11 patents. His work focuses on encoding and decoding digital signals, which has applications in various technologies.
Latest Patents
Sonohara's latest patents include a "Method and apparatus for encoding digital signal" and a "Gain control method and gain control apparatus for digital audio signals." The encoding apparatus for digital signals features a time series sample buffer that divides input signals into blocks. It also includes an orthogonal transform encoding section that transforms these blocks into spectrum signals, along with an entropy encoding section that implements variable length encoding. This innovative design allows for the reduction of information quantity during encoding, recording, or transmission.
His gain control apparatus enhances the encoding efficiency of acoustic signals. It includes an attack portion detection circuit that identifies sharp rises in waveform elements. The gain control circuit then adjusts the gain for these elements, improving encoding efficiency while effectively suppressing pre-echo.
Career Highlights
Mito Sonohara has built a successful career at Sony Corporation, where he continues to innovate in the field of digital signal processing. His work has not only advanced technology but has also contributed to the overall efficiency of audio and digital signal encoding.
Collaborations
Throughout his career, Sonohara has collaborated with notable colleagues, including Kyoya Tsutsui and Osamu Shimoyoshi. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their respective fields.
Conclusion
Mito Sonohara's contributions to digital signal processing exemplify the impact of innovation in technology. His patents and work at Sony Corporation highlight his role as a leading inventor in this dynamic field.