DETECTING ACTIVE SPEAKERS USING HEAD DETECTION
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United States of America
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Issued Date -
Feb 13, 2025
app pub date -
Aug 8, 2023
filing date -
Aug 8, 2023
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Abstract
Audio samples are obtained from a plurality of microphones in a conference room that includes a plurality of participants of an online communication session. A cross correlation is calculated between audio samples for each microphone pair of the plurality of microphones. For each participant, a distance between the participant and each microphone is estimated and, for each microphone pair, an expected delay between when microphones in a microphone pair receive audio from a participant is calculated based on the distance. For each participant, a score is computed based on the cross correlation for each microphone pair and the expected delay for each microphone pair and the participant that is speaking is identified based on the score computed for each participant.
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