January 20, 2021
Patent US10878840: Post-Biasing – Method of recognising a sound event
Patent inventors: Cagdas Bilen, Juan Azcarreta Ortiz, Giacomo Ferroni, Arnoldas Jasonas, Francesco Tuveri, Sacha Krstulovic and Chris Mitchell.
A method for recognising at least one of a non-verbal sound event and a scene in an audio signal comprising a sequence of frames of audio data, the method comprising: for each frame of the sequence: receiving at least one sound class score, wherein each sound class score is representative of a degree of affiliation of the frame with a sound class of a plurality of sound classes; for a sound class score of the at least one sound class scores: determining a confidence that the sound class score is representative of a degree of affiliation of the frame with the sound class by processing a value for a property associated with the frame, wherein the value is processed using a learned model for the property; adjusting the sound class score for the frame based at least on the determined confidence.
You can view the full patent here.
About our Patents
We have a portfolio of 31 patents globally (filed and granted).
Our patent portfolio is a combination of patents covering the uses of sound recognition in products, and covering the technology techniques we use and have used for our sound recognition. You can visit the patents page which shows our full list of patents which are either granted or are in the public phase of the various patent systems. We continue to maintain trade secrets around our own ‘special sauce’ which has been built up from years of practical experience.