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Title: Tae-Gyu Chang: Innovator in Detection Apparatus and Audio Compression
Introduction
Tae-Gyu Chang is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the fields of detection apparatus and audio compression technology. With a total of 3 patents, his work has had a notable impact on modern communication systems.
Latest Patents
One of his latest patents is the "Non-coherent detection apparatus and method for IEEE 802.15.4 LR-WPAN BPSK receiver." This invention includes a correlation unit, a frequency offset estimator, and a signal detector. The correlation unit processes the received signal to obtain a differential phase signal, which is then used to output a correlation signal. The frequency offset estimator plays a crucial role in estimating frequency offsets, while the signal detector extracts the original signal from the received data.
Another significant patent is the "Quantization noise shaping method and apparatus." This invention addresses the issue of quantization noise generated during audio data compression at low bit rates. It involves receiving a predetermined quantization noise threshold and quantization noise energy information, which are then used to attenuate noise in specific frequency bands, enhancing audio quality.
Career Highlights
Tae-Gyu Chang has worked with notable organizations, including Samsung Electronics and Chung Ang University Industry Academic Cooperation. His experience in these companies has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.
Collaborations
He has collaborated with talented individuals such as Heung-yeop Jang and Hyeon-Jin Jeon. These partnerships have fostered a creative environment that has led to the development of impactful inventions.
Conclusion
Tae-Gyu Chang's contributions to detection apparatus and audio compression technology highlight his innovative spirit and dedication to advancing the field. His patents reflect a commitment to improving communication systems and audio quality, making him a noteworthy figure in the world of invention.