Company Filing History:
Years Active: 2017-2020
Title: Innovations of Hiroaki Matsubara
Introduction
Hiroaki Matsubara is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to the field of speech synthesis technology. With a total of five patents to his name, Matsubara's work focuses on enhancing the naturalness and responsiveness of synthesized speech.
Latest Patents
Matsubara's latest patents include a speech synthesis device and method. This invention improves technology for automatically generating response voice to voice uttered by a speaker. It is characterized by controlling the pitch of the response voice in accordance with the pitch of the speaker's utterance. The device receives a voice signal of the speaker's utterance, detects the pitch of a representative portion, and acquires voice data for a response. The pitch of the synthesized response voice is then adjusted based on a determined pitch shift amount. Another notable patent involves technology for responding to remarks using speech synthesis. This invention includes a voice input section that receives a remark via a voice signal and a reply creation section that generates a voice sequence of a reply. The pitch analysis section analyzes the pitch of the remark, and the voice generation section synthesizes a reply that feels natural to the user.
Career Highlights
Hiroaki Matsubara is currently employed at Yamaha Corporation, a leading company in the field of audio technology. His work at Yamaha has allowed him to develop innovative solutions that enhance user interaction through voice technology.
Collaborations
Matsubara has collaborated with notable colleagues such as Junya Ura and Takehiko Kawahara. Their combined expertise has contributed to the advancement of speech synthesis technologies.
Conclusion
Hiroaki Matsubara's contributions to speech synthesis technology have significantly impacted the way users interact with voice systems. His innovative patents reflect a commitment to improving the naturalness and responsiveness of synthesized speech.