Multichannel audio speech classification

A method comprising:

• calculating a first average power value for a first data window in a first audio channel of an audio signal;
• calculating a second average power value for a second data window in a second audio channel of the audio signal;
• determining a correlation value for the first data window in the first audio channel and the second data window in the second audio channel based on the first average power value and the second average power value;
• generating a classification of the audio signal as a particular speech category by comparing the correlation value to at least one threshold value associated with the particular speech category;
• and
• performing an action for the audio signal based on the classification, wherein the action comprises one of:
• audio transcription, speaker diarization, or acoustic event detection.

A device comprising:

• a processor;
• and
• memory comprising computer executable instructions that, when executed, perform operations comprising:
• calculating a first average power value for a first data window in a first audio channel of an audio signal;
• calculating a second average power value for a second data window in a second audio channel of the audio signal;
• determining a correlation value for the first data window in the first audio channel and the second data window in the second audio channel based on the first average power value and the second average power value;
• identifying a particular speech category for the audio signal by comparing the correlation value to a threshold value associated with the particular speech category;
• and
• performing an action for the audio signal based on the particular speech category, wherein the action comprises one of:
• audio transcription, speaker diarization, or acoustic event detection.