Dong Liu

Title: The Innovations of Dong Liu

Introduction

Dong Liu is a notable inventor based in Murray Hill, NJ (US). He has made significant contributions to the field of communication systems, holding 2 patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of his latest patents is titled "External roundtrip latency measurement for a communication system." This invention provides an external capability for measuring roundtrip latency in a conferencing system. It includes functions for generating a content event, detecting the content event in a received content stream, determining the times associated with the generation and detection of the content event, and computing the roundtrip latency based on the difference between these times. The content event can be either a visual or an aural event, and various arrangements of modules or elements may be utilized to implement these functions.

Another significant patent by Dong Liu is "Method and apparatus for active speaker selection using microphone arrays and speaker recognition." This invention is designed for teleconferencing applications and comprises a microphone array module, a speaker recognition system, a user interface, and a speech signal selection module. The microphone array module separates the speech signals from each active speaker, while the speaker recognition system identifies each currently active speaker. This information is transmitted to a remote teleconferencing location, allowing remote participants to select and listen to a specific speaker.

Career Highlights

Dong Liu is currently employed at Alcatel Lucent, where he continues to develop innovative solutions in communication technology. His work has had a profound impact on enhancing the efficiency and effectiveness of teleconferencing systems.

Collaborations

Throughout his career, Dong Liu has collaborated with talented individuals such as Sudhir Raman Ahuja and Jingdong Chen. These collaborations have contributed to the advancement of his projects and innovations.

Conclusion

Dong Liu's contributions to communication technology through his patents reflect his dedication to innovation and excellence. His work continues to influence the way we experience teleconferencing and communication systems today.