Location History:
- Suwon, KR (1999 - 2001)
- Yongin, KR (2001)
- Guildford, GB (2003)
Company Filing History:
Years Active: 1999-2003
Title: Yong-duk Cho: Innovator in Spectral Quantization Technology
Introduction
Yong-duk Cho is a prominent inventor based in Suwon, South Korea. He has made significant contributions to the field of spectral quantization technology, holding a total of 6 patents. His work focuses on enhancing the efficiency and robustness of speech signal processing.
Latest Patents
One of his latest patents is a "Variable dimension spectral magnitude quantization apparatus and method using predictive and mel-scale binary vector." This invention provides a method for quantizing spectral envelopes using linear prediction spectral envelope and residual spectral envelope quantization. The apparatus includes a predictive quantizer, a mel-scale binary vector quantizer, and a synthesized spectral envelope generator, among other components. Another notable patent is for an "Apparatus for quantizing spectral envelope including error selector for selecting a codebook index of a quantized LSF having a smaller error value and method therefor." This invention focuses on quantizing a spectral envelope with noise robustness, ensuring high performance even in challenging environments.
Career Highlights
Yong-duk Cho is currently employed at Samsung Electronics Co., Ltd., where he continues to innovate in the field of audio and speech processing technologies. His work has been instrumental in advancing the capabilities of speech signal coding.
Collaborations
He has collaborated with notable colleagues, including Moo-young Kim and Hong-kook Kim, contributing to various projects that enhance the technological landscape of their field.
Conclusion
Yong-duk Cho's contributions to spectral quantization technology have established him as a key figure in the industry. His innovative patents and collaborative efforts continue to influence advancements in speech processing.