October 2 2018.
The audio fingerprinting technology behind AFT (Audio Fingerprinting Tools) of AudioWatermarking.info receives a U.S. Patent 10,089,994 for the novel acoustic fingerprinting approach and method that it implements.
Audio Fingerprinting Tools (AFT) is a proprietary acoustic fingerprinting technology and software solution enabling reliable acoustic matching, comparison and identification of audio by means of very compact, highly representative and resistant acoustic fingerprints (hashes).
For more details refer to: http://audiowatermarking.info/aft_main.php
Patent text at USPTO: click here.