Der-Chwan Wu

Title: Der-Chwan Wu: Innovator in Audio Signal Processing

Introduction

Der-Chwan Wu is a notable inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of audio signal processing, holding two patents that showcase his innovative methods for modifying audio signals. His work focuses on enhancing the quality of audio through advanced algorithms and techniques.

Latest Patents

Wu's latest patents include "High-efficiency algorithms using minimum mean absolute error splicing" and "Pitch and rate modifications of audio signals utilizing differential." The first patent discloses a method for modifying parameters of audio signals by dividing a digital signal into sound frames. It involves modifying the pitch and playing rate within a frame and splicing modified frames with non-modified ones to minimize audible noise. The apparatus for this method includes input and output amplifiers, low pass filters, and converters. The second patent similarly outlines a method for audio signal modification, focusing on achieving minimal audible noise through differential mean absolute error calculations.

Career Highlights

Der-Chwan Wu is associated with the Electronics Research & Service Organization, where he applies his expertise in audio processing. His innovative approaches have positioned him as a key figure in the development of audio technologies.

Collaborations

Wu has collaborated with notable colleagues, including Yen-Hui Wang and Gang-Janp Lin, contributing to advancements in audio signal processing.

Conclusion

Der-Chwan Wu's contributions to audio signal processing through his patents reflect his commitment to innovation in the field. His work continues to influence the way audio signals are modified and processed, enhancing the listening experience for users.