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Years Active: 2014-2022
Title: Innovations of Youhong Lu in Speech Processing
Introduction
Youhong Lu is a prominent inventor based in Irvine, California, known for his significant contributions to the field of speech processing. With a total of nine patents to his name, Lu has developed innovative systems and methods that enhance speech recognition technology. His work has been instrumental in advancing automated speech recognition systems.
Latest Patents
One of Lu's latest patents focuses on systems and methods for pre-processing speech signals to improve speech recognition. This patent describes pre-processing systems that include a pitch estimation circuit and a pitch equalization processor. The pitch estimation circuit is designed to analyze the speech signal and determine its pitch index. Meanwhile, the pitch equalization processor utilizes this pitch information to equalize the speech pitch, resulting in a pitch-equalized speech signal. Another notable patent involves audio processing for speech, where a method and device estimate the power of late reverberation in a speech signal based on early samples. This innovation allows for the linear or non-linear subtraction of late reverberation from the speech signal, enhancing clarity and intelligibility.
Career Highlights
Throughout his career, Youhong Lu has worked with several notable companies, including Conexant Systems, Inc. and Verizon Patent and Licensing Inc. His experience in these organizations has contributed to his expertise in speech processing technologies and patent development.
Collaborations
Lu has collaborated with various professionals in the field, including Trausti Thormundsson and Ragnar Hlynur Jonsson. These collaborations have further enriched his work and led to advancements in speech recognition systems.
Conclusion
Youhong Lu's innovative contributions to speech processing have significantly impacted the field of automated speech recognition. His patents reflect a deep understanding of the complexities of speech signals and the technologies required to enhance their processing. His work continues to influence advancements in this critical area of technology.