Company Filing History:
Years Active: 1996
Title: Makio Nakamura: Innovator in Speech Codec Technology
Introduction
Makio Nakamura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of speech processing, particularly in the development of advanced speech codecs. With a total of 2 patents, his work has had a notable impact on the efficiency and effectiveness of speech signal processing.
Latest Patents
Nakamura's latest patents include innovative technologies that enhance speech encoding and decoding processes. One of his patents focuses on a speech codec and a method of processing a speech signal. This invention involves encoding one frame of speech signal data and subframes of speech signal data through interleaved frame and subframe encoding processes. This approach reduces the digital signal processing (DSP) memory capacity required for a speech codec.
Another significant patent is a system for searching a codebook in a speech encoder. This technology synthesizes an excitation sound source by utilizing the linear coupling of at least two predetermined basis vectors. The invention computes the ordination of the first cross-correlation between an input speech signal and multiple reproduced signals. By arranging these ordinations, the system can perform calculations to provide the most optimal codebook for speech encoding.
Career Highlights
Makio Nakamura is currently employed at NEC Corporation, where he continues to innovate in the field of speech technology. His work at NEC has allowed him to collaborate with other talented professionals and contribute to cutting-edge advancements in speech processing.
Collaborations
One of his notable coworkers is Akira Hioki, with whom he has worked closely on various projects related to speech technology. Their collaboration has led to the development of innovative solutions that enhance the capabilities of speech codecs.
Conclusion
Makio Nakamura's contributions to speech codec technology demonstrate his expertise and commitment to innovation. His patents reflect a deep understanding of speech processing and a dedication to improving communication technologies.