ESTIMATION DEVICE, ESTIMATION METHOD, AND COMPUTER PROGRAM PRODUCT
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United States of America
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Mar 6, 2025
app pub date -
Aug 27, 2024
filing date -
Aug 27, 2024
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Abstract
According to one embodiment, an estimation device includes one or more hardware processors configured to function as: a conversion module configured to perform time frequency conversion on acoustic signals of a plurality of channels to acquire a frequency spectrum; a spatial correlation calculation module configured to calculate a spatial correlation matrix from the frequency spectrum; a spatial correlation filter module configured to calculate a spatial correlation filter from the spatial correlation matrix; and a direction estimation module configured to estimate general direction information from a partial element included in the spatial correlation filter.
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