Dae-hwan Hwang

Title: Dae-hwan Hwang: Innovator in Speech Signal Transmission

Introduction

Dae-hwan Hwang is a notable inventor based in Daejon, South Korea. He has made significant contributions to the field of telecommunications, particularly in the area of speech signal transmission. With a total of 4 patents to his name, Hwang's work has advanced the efficiency of communication technologies.

Latest Patents

One of Hwang's latest patents is a method and apparatus for transmitting wideband speech signals. This innovative system includes a speech signal transmitter that features a quadrature mirror filter, a base sub-band encoder, an enhancement sub-band encoder, and a network connector. The quadrature mirror filter processes the speech signal by dividing it into enhancement and base band speech signals. The base sub-band encoder encodes the base band speech signal, while the enhancement sub-band encoder handles the enhancement band speech signal. The network connector then multiplexes these encoded signals based on the types of networks used for transmission, allowing for efficient communication of speech signals.

Career Highlights

Dae-hwan Hwang is affiliated with the Electronics and Telecommunications Research Institute, where he continues to innovate in the field of telecommunications. His work has been instrumental in developing technologies that enhance the quality and efficiency of speech signal transmission.

Collaborations

Hwang has collaborated with notable colleagues, including Ho-sang Sung and Eul Gyoon Lim, contributing to various projects that push the boundaries of telecommunications technology.

Conclusion

Dae-hwan Hwang's contributions to speech signal transmission exemplify the impact of innovative thinking in telecommunications. His patents reflect a commitment to improving communication technologies, making him a significant figure in his field.