Tung-Chiang Yang

Title: Innovations of Tung-Chiang Yang in Speech Coding

Introduction

Tung-Chiang Yang is a notable inventor based in Goleta, California. He has made significant contributions to the field of speech coding, particularly through his innovative patent that enhances the efficiency of speech signal representation.

Latest Patents

Yang holds a patent for "Adaptive windows for analysis-by-synthesis CELP-type speech coding." This invention involves a speech coder and a method for speech coding where the speech signal is represented by an excitation signal applied to a synthesis filter. The speech is divided into frames and subframes, allowing for a more nuanced analysis. A classifier identifies the category of each speech frame, applying different coding methods for each category. The invention improves performance by coding important segments of the excitation signal more accurately. The window locations are determined from a linear prediction residual, enhancing the overall quality of speech coding.

Career Highlights

Tung-Chiang Yang is currently employed at Nokia Mobile Phones Limited, where he continues to work on advancements in mobile technology and speech processing. His expertise in speech coding has positioned him as a valuable asset in the telecommunications industry.

Collaborations

Yang has collaborated with notable colleagues, including Vladimir Cuperman and Sassan Ahmadi. Their combined efforts have contributed to the development of innovative solutions in speech technology.

Conclusion

Tung-Chiang Yang's work in speech coding exemplifies the impact of innovation in technology. His patent demonstrates a significant advancement in the representation of speech signals, showcasing his expertise and dedication to the field.