Patent Document ID: 9769587
Application ID: 14690059
Patent Status: 1

Claim One:
1. A method for calibrating a multi-channel sound system, the method comprising: storing a reference scene from an acoustic environment having a reference value, and a plurality of predetermined scenes, wherein each predetermined scene from among the plurality of predetermined scenes corresponds to a pre-tuned filter configuration for acoustic echo cancellation in the respective predetermined scene; determining a scene from the acoustic environment; mapping the determined scene to a value; detecting a change to the acoustic environment, wherein detecting the change includes comparing the reference value of the reference scene from the acoustic environment to the value of the determined scene from the acoustic environment, and quantifying the change between the reference value of the reference scene from the acoustic environment and the value of the determined scene from the acoustic environment; determining whether the change to the acoustic environment meets a threshold as a condition for calibrating the multi-channel sound system that includes two or more acoustic sources within the acoustic environment and two or more filters configured to modify sound signals produced by each of the two or more acoustic sources for acoustic echo cancellation in the acoustic environment; based on the change to the acoustic environment meeting the threshold, identifying a predetermined scene from among the plurality of predetermined scenes that best matches the determined scene; and calibrating the multi-channel sound system using the pre-tuned filter configuration corresponding to the identified predetermined scene, wherein calibrating the multi-channel sound system comprises updating the two or more filters of the multi-channel sound system according to the pre-tuned filter configuration.