Patent ID: 11900961
Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 13:
14. A method comprising:
receiving an audio signal comprising a plurality of audio channels;
calculating an average power value for a data window in each of the plurality of audio channels, the data window representing a same period of time in each of the plurality of audio channels;
calculating a correlation value between the data window in at least two audio channels of the plurality of audio channels based on the average power value for a respective data window of the first audio channel and the second audio channel, the correlation value identifying:
a positive correlation between the respective data window of the first audio channel and the second audio channel;
a negative correlation between the respective data window of the first audio channel and the second audio channel; or
a neutral correlation between the respective data window of the first audio channel and the second audio channel; and

classifying the audio signal based on the correlation value.