Patents, white papers and articles related to the audio technologies we offer.

1. Alex Radzishevsky, Acoustic fingerprint extraction and matching, United States Patent No. 10,089,994, October 2018.

2. Alex Radzishevsky, Visual Domain Audio Watermarking (VDAW) and Spectral Barcode Audio Watermarking (SBAW), February 2014. [Read here its web-version with audio examples]

3. Alex Radzishevsky, Watermark embedding and extraction, United States Patent No. 8,116,514, February 2012.