Location History:
- Tokyo, JP (1988)
- Tsukuba Ibaraki, JP (2000)
Company Filing History:
Years Active: 1988-2000
Title: Toshiaki Yoshino: Innovator in Speech Recognition Technology
Introduction
Toshiaki Yoshino is a notable inventor based in Tsukuba, Ibaraki, Japan. He has made significant contributions to the field of speech recognition technology, holding 2 patents that showcase his innovative approach to filtering and word recognition systems.
Latest Patents
Yoshino's latest patents include a "System and method for filtering using an interleaved/retimed architecture." This invention features an interleaved all-pass section for a lattice wave digital filter, which allows for the parallel processing of separate signals. The system incorporates a first input carrying an interleaved signal, a first adder/multiplier network, a second adder/multiplier network, and a delay element that facilitates the necessary signal propagation.
Another significant patent is the "Speaker-independent word recognition method and system based upon an acoustically distinct vocabulary." This system is designed to identify individual spoken words using a limited vocabulary. It employs a microprocessor or microcomputer to store reference templates of digital speech data. The system processes an input analog speech signal from a microphone, determining feature vectors based on zero-crossing rates and energy measurements. This allows for effective comparison with stored reference templates, enabling accurate word recognition.
Career Highlights
Toshiaki Yoshino is currently associated with Texas Instruments Corporation, where he continues to develop innovative technologies in the field of speech recognition. His work has contributed to advancements in how electronic devices understand and process spoken commands.
Collaborations
Yoshino has collaborated with notable colleagues, including Periagaram K Rajasekaran and Lynette C Liu, further enhancing the impact of his work in the industry.
Conclusion
Toshiaki Yoshino's contributions to speech recognition technology through his patents and work at Texas Instruments Corporation highlight his role as an influential inventor. His innovative systems continue to shape the future of how machines interact with human speech.