Location History:
- Osaka, JP (2014)
- Wakayama, JP (2022)
Company Filing History:
2 out of 5 
1 out of 5,290 
Years Active: 2014-2022
Title: The Innovations of Toshio Irino
Introduction
Toshio Irino is a notable inventor based in Wakayama, Japan. He has made significant contributions to the field of speech intelligibility and signal processing. With a total of 2 patents, his work focuses on enhancing the quality of speech communication.
Latest Patents
Irino's latest patents include a speech intelligibility calculating method, apparatus, and program. This method is executed by a speech intelligibility calculating apparatus and includes a step for calculating speech intelligibility as an objective assessment index of speech quality. It does this by analyzing the difference between features found in input clean speech and input enhanced speech, utilizing one or more filter banks. This innovative method allows for the calculation of speech intelligibility without dependency on any specific speech enhancement method.
Another significant patent involves a periodic signal processing method, conversion method, and processing device. This invention aims to reduce the influence of periodicity without relying on a spectral model. By arranging time windows at specific division positions of a fundamental frequency, the method extracts various portions from a signal with periodicity. The calculated power spectrum for these portions is then adjusted with a consistent ratio.
Career Highlights
Throughout his career, Toshio Irino has worked with esteemed institutions such as Wakayama University and Nippon Telegraph and Telephone Corporation. His experience in these organizations has contributed to his expertise in speech intelligibility and signal processing.
Collaborations
Irino has collaborated with notable colleagues, including Hideki Kawahara and Masanori Morise. Their joint efforts have further advanced the research and development in their respective fields.
Conclusion
Toshio Irino's contributions to speech intelligibility and signal processing demonstrate his innovative spirit and dedication to improving communication technologies. His patents reflect a commitment to advancing the understanding and quality of speech, making a lasting impact in the field.