Qiang Cheng

Title: Qiang Cheng: Innovator in Speech Watermarking Technology

Introduction

Qiang Cheng is a notable inventor based in Urbana, IL (US). He has made significant contributions to the field of digital communication, particularly in the area of speech watermarking. His innovative approach utilizes advanced techniques to embed digital information within speech signals.

Latest Patents

Qiang Cheng holds a patent for "Spread spectrum signaling for speech watermarking." This invention provides methods and apparatus for encoding an arbitrary digital message, such as a watermark, into a speech signal. The method involves generating a spread spectrum signal that represents the digital information and embedding it within the speech signal. By employing spread spectrum technology and speech analysis techniques, this invention allows for significantly higher bit rates to be embedded into the speech signal without affecting the perceived quality of the recording. Additionally, the invention includes methods for recovering the digital information embedded in the speech signal.

Career Highlights

Qiang Cheng is associated with International Business Machines Corporation (IBM), where he applies his expertise in digital communication technologies. His work at IBM has allowed him to further develop his innovative ideas and contribute to advancements in the field.

Collaborations

Qiang Cheng has collaborated with Jeffrey Scott Sorensen, working together to enhance the capabilities of their respective projects and innovations.

Conclusion

Qiang Cheng's contributions to speech watermarking technology exemplify the intersection of innovation and practical application in digital communication. His work continues to influence the field and pave the way for future advancements.