ESTIMATION DEVICE, ESTIMATION METHOD, AND COMPUTER PROGRAM PRODUCT

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20250080902A1
SERIAL NO

18816219

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA TOSHIBA1-1 SHIBAURA 1-CHOME MINATO-KU TOKYO 105-8001
TOSHIBA DIGITAL SOLUTIONS CORPORATION72-34 HORIKAWA-CHO SAIWAI-KU KAWASKI-SHI KANAGAWA

International Classification(s)

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  • 2024 Application Filing Year
  • H04R Class
  • 1669 Applications Filed
  • 82 Patents Issued To-Date
  • 4.92 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HIRAYAMA, Naoki Kawasaki, Kanagawa, JP 9 32
KIKUGAWA, Yusaku Nishitama, JP 20 197

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1147101 - 10050100150200250300350400450500550600650700750800850900950100010501100115012001250

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