Company Filing History:
Years Active: 2024-2025
Title: The Innovations of Christopher Evans
Introduction
Christopher Evans is an accomplished inventor based in Somerville, MA (US). He has made significant contributions to the field of audio watermarking, holding three patents that enhance the detection and accuracy of audio watermarks. His work is particularly relevant in today's digital landscape, where audio content protection is paramount.
Latest Patents
Evans' latest patents focus on extended audio watermarks. The first patent describes a system for encoding audio watermarks with time extensions to enable enhanced watermark detection. This system allows for backwards compatibility with existing watermark detection while also improving accuracy. By embedding an extended acoustic watermark, limited devices can detect the existing audio watermark, while improved devices can perform enhanced detection of the extended watermark. The longer duration of the extended audio watermark increases the accuracy of detection compared to the existing watermark alone.
The second patent also addresses audio watermarks, this time with frequency extensions. Similar to the first, this system includes an existing audio watermark and a duplicate audio watermark, ensuring backwards compatibility while enhancing detection accuracy. The redundancy provided by the duplicate audio watermark allows for improved detection capabilities, further increasing the reliability of the watermark detection process.
Career Highlights
Christopher Evans is currently employed at Amazon Technologies, Inc., where he continues to innovate in the field of audio technology. His work has positioned him as a key player in the development of advanced watermarking systems that are crucial for content protection in various media formats.
Collaborations
Evans collaborates with talented individuals such as Sumit Garg and Ameya Agaskar, contributing to a dynamic team focused on pushing the boundaries of audio technology.
Conclusion
Christopher Evans is a notable inventor whose work in audio watermarking has led to significant advancements in detection accuracy and reliability. His contributions at Amazon Technologies, Inc. and his innovative patents reflect his commitment to enhancing audio technology.
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