Woo-taek Lim

USPTO Granted Patents = 24 (Patent Applications = 25)

Average Co-Inventor Count = 4.7

ph-index = 1

Forward Citations = 4(Granted Patents)

Location History:

Sejong-si, KR (2023)
Sejong, KR (2023)
Daejeon, KR (2019 - 2024)

Company Filing History:

24 out of 11,277

Electronics and Telecommunications Research Institute

Gwangju Institute of Science and Technology

patents

5. 1 out of 335

Kyungpook National University Industry-academic Cooperation Foundation

patents

where one patent can have more than one assignee

Years Active: 2019-2025

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24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12354614 - Speech coding method and apparatus for performing the same (2025-07-08),

2. 12334083 - Apparatus and method for audio encoding/decoding robust to transition segment encoding distortion (2025-06-17),

3. 12223970 - Encoding method, decoding method, encoder for performing encoding method, and decoder for performing decoding method (2025-02-11),

4. 12223426 - Method and apparatus for designing and testing audio codec by using white noise modeling (2025-02-11),

5. 12205605 - Audio signal encoding and decoding method using a neural network model to generate a quantized latent vector, and encoder and decoder for performing the same (2025-01-21),

6. 12159640 - Methods of encoding and decoding, encoder and decoder performing the methods (2024-12-03),

7. 11978465 - Method of generating residual signal, and encoder and decoder performing the method (2024-05-07),

8. 11862183 - Methods of encoding and decoding audio signal using neural network model, and devices for performing the methods (2024-01-02),

9. 11823688 - Audio signal encoding and decoding method, and encoder and decoder performing the methods (2023-11-21),

10. 11804230 - Audio encoding/decoding apparatus and method using vector quantized residual error feature (2023-10-31),

11. 11783844 - Methods of encoding and decoding audio signal using side information, and encoder and decoder for performing the methods (2023-10-10),

12. 11694703 - Audio signal encoding and decoding method using learning model, training method of learning model, and encoder and decoder that perform the methods (2023-07-04),

13. 11664037 - Methods of encoding and decoding speech signal using neural network model recognizing sound sources, and encoding and decoding apparatuses for performing the same (2023-05-30),

14. 11657325 - Apparatus and method for augmenting training data using notch filter (2023-05-23),

15. 11651778 - Methods of encoding and decoding audio signal, and encoder and decoder for performing the methods (2023-05-16),

Title: The Innovative Mind of Woo-taek Lim: A Pioneer in Audio Codec Technologies

Introduction: Woo-taek Lim, a notable inventor based in Daejeon, South Korea, has made significant contributions to the field of audio coding technology. With a commendable portfolio of 22 patents, Lim’s work demonstrates his commitment to advancing audio processing methods that leverage neural networks and innovative encoding techniques.

Latest Patents: Lim’s latest patents showcase groundbreaking advancements in encoding and decoding methods. His inventions include an encoding method that outputs Linear Predictive (LP) coefficients bitstream along with a residual signal. This process involves performing LP analysis on an input signal, encoding periodic and non-periodic components of the residual signal, and applying a weight vector using a specialized neural network module. Furthermore, he has developed a methodology and apparatus for designing and testing audio codecs, employing quantization based on white noise modeling. This involves generating quantized latent vectors, computing total losses for neural network training, and validating codecs to select the best performance model.

Career Highlights: Throughout his career, Lim has been associated with prestigious institutions such as the Electronics and Telecommunications Research Institute and Indiana University. His experience and expertise in audio technologies have led to numerous innovative developments that enhance audio quality across various applications.

Collaborations: Lim has collaborated with talented individuals in the field, including co-workers Tae Jin Lee and Seung Kwon Beack. Together, they have contributed to advancing audio coding methods and exploring new frameworks for audio processing technologies.

Conclusion: Woo-taek Lim’s impressive portfolio and collaborative efforts underline his influential role in revolutionizing audio codec technologies. As the demand for high-quality audio processing continues to rise, Lim’s innovations are poised to make a lasting impact in the realm of sound engineering and technology.

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25 patents pending:

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