Shigeru Hosoi

Title: Shigeru Hosoi: Innovator in Noise and Speech Signal Processing

Introduction

Shigeru Hosoi is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of noise and speech signal processing. His innovative work has led to the development of a unique patent that addresses the challenges of distinguishing between noise and speech segments in audio signals.

Latest Patents

Shigeru Hosoi holds a patent for a "Noise segment/speech segment determination apparatus." This invention features an extraction section that extracts a speech signal with ambient noise superimposed as a data segment of predetermined duration. The apparatus includes an autocorrelation function normalizing section that determines normalized autocorrelation function vectors. Additionally, a normalized autocorrelation function count section counts a specified number of these vectors. The invention classifies the normalized autocorrelation function vectors into noise vector regions, speech vector regions, or undefined vectors. This classification allows for the determination of whether the input signal is a noise segment or a speech segment based on the latest normalized autocorrelation function vector.

Career Highlights

Shigeru Hosoi is currently employed at Matsushita Electric Industrial Co., Ltd., where he continues to innovate in the field of signal processing. His work has been instrumental in advancing technologies that improve audio clarity and communication systems.

Collaborations

Throughout his career, Shigeru has collaborated with talented individuals such as Shogo Iizuka and Kazuki Hoshino. These collaborations have fostered a creative environment that has led to further advancements in their respective fields.

Conclusion

Shigeru Hosoi's contributions to noise and speech signal processing exemplify the impact of innovative thinking in technology. His patent demonstrates a significant advancement in the ability to differentiate between noise and speech, showcasing his expertise and dedication to improving audio processing technologies.