This page lists patents, white papers, and selected articles related to the core audio technologies offered here. These publications document the technical foundation of the watermarking and fingerprinting solutions presented on this site.
Patents
1. Alex Radzishevsky, Transient audio watermarks resistant to reverberation effects, United States Patent No. 11,978,461, May 2024.
2. Alex Radzishevsky, Acoustic fingerprint extraction and matching, United States Patent No. 10,089,994, October 2018.
3. Alex Radzishevsky, Watermark embedding and extraction, United States Patent No. 8,116,514, February 2012.
4. Alexander Goldin, Ishay Berkovich, Alex Radzishevsky, Method of suppressing undesired noise in a hearing aid, United States Patent No. 12,356,151, July 2025.
White papers
1. Alex Radzishevsky, Visual Domain Audio Watermarking (VDAW) and Spectral Barcode Audio Watermarking (SBAW), February 2014. [Read the web version with audio examples]
Articles
1. Alex Radzishevsky, Defending the authenticity of sound in the age of AI: How advanced audio watermarking technologies are re-emerging, January 2024
