Determining noise and sound power level differences between primary and reference channels

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United States of America Patent

PATENT NO 10332541
APP PUB NO 20180047412A1
SERIAL NO

15730152

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Abstract

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A method for estimating and minimizing a noise power level difference (NPLD) between a primary channel and a reference channel of an audio device, includes receiving, by a primary channel, an audio signal that has a speech signal level and a noise signal level; receiving, by a reference channel, the audio signal with another speech signal level and another noise signal level; using the reference channel to estimate the noise signal level in the primary channel by reducing the another speech signal level; and compensating for a difference between the noise signal level and the another noise signal level to minimize a noise power level difference NPLD between the primary channel and the reference channel.

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Patent Owner(s)

Patent OwnerAddress
CIRRUS LOGIC INC800 WEST 6TH STREET AUSTIN TX 78701

International Classification(s)

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  • 2017 Application Filing Year
  • G10L Class
  • 3736 Applications Filed
  • 2832 Patents Issued To-Date
  • 75.81 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Erkelens, Jan S Delft, NL 2 8

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  • 1 Citation Count
  • G10L Class
  • 30.46 % this patent is cited more than
  • 6 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges481955923010541101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6071 - 8091 - 10005010015020025030035040045050055060065070075080085090095010001050

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