User localization
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United States of America
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Nov 12, 2024
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N/A
app pub date -
May 26, 2022
filing date -
May 26, 2022
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Abstract
A system configured to improve user localization used to determine a listening position and/or user orientation for a device map. Multiple devices may generate audio data representing user speech and the system may use the audio data to determine a first spatial likelihood function (SLF) based on angle measurements, determine a second SLF based on timing information, and determine a location of the user based on a combination of the two SLFs. The SLFs represent the environment using a grid comprising a plurality of grid cells, and each grid cell has a value indicating a likelihood that the grid cell corresponds to the location of the user. An individual device may generate a portion of the angle measurements based on multi-channel audio data generated using multiple microphones of the device, while the system may generate the timing information based on single-channel audio data received from each of the multiple devices.
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