Company Filing History:
Years Active: 2022-2023
Title: Innovations of Shan Liang in Audio Tampering Detection
Introduction
Shan Liang is an accomplished inventor based in Beijing, China. He has made significant contributions to the field of audio tampering detection, holding a total of 2 patents. His work focuses on developing methods and electronic apparatuses that enhance the security and integrity of audio signals.
Latest Patents
Shan Liang's latest patents include a "Method and electronic apparatus for detecting tampering audio" and a "Method for obtaining digital audio tampering evidence based on phase deviation detection." The first patent discloses a method that involves acquiring a signal to be detected and performing a wavelet transform to obtain low-frequency and high-frequency coefficients. This process allows for the detection of tampering in audio signals through advanced signal processing techniques. The second patent outlines a digital audio tampering forensics method that utilizes phase offset detection. This method computes group delay characteristics and dynamic thresholds to determine whether an audio signal has been tampered with.
Career Highlights
Shan Liang is affiliated with the Chinese Academy of Sciences, where he conducts research and development in audio technology. His innovative approaches to audio tampering detection have positioned him as a leading figure in this specialized field.
Collaborations
Shan has collaborated with notable colleagues, including Jianhua Tao and Shuai Nie, to further advance the research and application of audio tampering detection technologies.
Conclusion
Shan Liang's contributions to audio tampering detection through his innovative patents demonstrate his expertise and commitment to enhancing audio security. His work continues to influence the field and pave the way for future advancements.