Chin-hui Lee

Title: Innovations by Inventor Chin-Hui Lee: Pioneering Speech Recognition Technology

Introduction

Chin-Hui Lee, an accomplished inventor based in Santa Barbara, California, has significantly contributed to the field of speech recognition technology. With a remarkable portfolio comprising two patents, Lee has developed innovative methods that enhance the efficiency and accuracy of speech processing systems.

Latest Patents

One of Chin-Hui Lee's notable patents includes a comprehensive **Speech Recognition Training Method**. This method employs advanced speech processing circuitry to repeatedly derive acoustic parameters from speech input at a specific frame repetition rate. By utilizing template matching and cost processing circuitries, the system efficiently identifies speech units through comparisons with stored template patterns. Furthermore, this apparatus can be expanded by incorporating additional circuitry, consequently broadening its speech recognition capabilities.

Another significant innovation from Lee is a **Digital Tone Decoder and Method of Decoding Tones Using Linear**. This all-digital tone detection system effectively distinguishes one or more tones from speech or background noise, ensuring reliable DTMF tone detection at a low cost. The system integrates a digital signal processing process that employs a modified PARCOR signal analysis technique to accurately calculate inverse filter coefficients. By utilizing a Fourier transform, it achieves high-resolution evaluations of the spectral response, allowing for precise detection of expected tone signals.

Career Highlights

Throughout his career, Chin-Hui Lee has held esteemed positions in various leading companies in the audio and research sector. Notably, he has contributed his expertise to **Digital Sound Corporation** and **Exxon Research and Engineering Company**. His journey has been marked by a dedication to innovation and technical excellence in the domain of speech recognition.

Collaborations

In the pursuit of his groundbreaking inventions, Lee has collaborated with notable peers such as David Y. Wong and James K. Baker. This collaborative effort has fostered an environment where creative ideas flourish, further propelling advancements in technology.

Conclusion

Chin-Hui Lee's innovative contributions to speech recognition technology underscore his position as a leading inventor in the field. His patents not only reflect his technical proficiency but also his commitment to enhancing communication technologies. As the industry continues to evolve, Lee’s advancements will undoubtedly serve as a cornerstone for future developments in speech recognition systems.