JP2013511894A - デシメートされた係数（ｄｅｃｉｍａｔｅｄｃｏｅｆｆｉｃｉｅｎｔｓ）のフィルタリングを実行する他の回路またはアクティヴ雑音相殺回路における遅延技術 - Google Patents

デシメートされた係数（ｄｅｃｉｍａｔｅｄｃｏｅｆｆｉｃｉｅｎｔｓ）のフィルタリングを実行する他の回路またはアクティヴ雑音相殺回路における遅延技術 Download PDF

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JP2013511894A
JP2013511894A JP2012539919A JP2012539919A JP2013511894A JP 2013511894 A JP2013511894 A JP 2013511894A JP 2012539919 A JP2012539919 A JP 2012539919A JP 2012539919 A JP2012539919 A JP 2012539919A JP 2013511894 A JP2013511894 A JP 2013511894A
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delay
sample unit
sample
active noise
noise cancellation
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Japanese (ja)
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チャン、クワクルン
リ、レン
パーク、ヒュン・ジン
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Qualcomm Inc
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Qualcomm Inc
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • G10K11/17854—Methods, e.g. algorithms; Devices of the filter the filter being an adaptive filter
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17855—Methods, e.g. algorithms; Devices for improving speed or power requirements
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3051—Sampling, e.g. variable rate, synchronous, decimated or interpolated

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Noise Elimination (AREA)
  • Amplifiers (AREA)
  • Analogue/Digital Conversion (AREA)
JP2012539919A 2009-11-18 2010-10-26 デシメートされた係数（ｄｅｃｉｍａｔｅｄｃｏｅｆｆｉｃｉｅｎｔｓ）のフィルタリングを実行する他の回路またはアクティヴ雑音相殺回路における遅延技術 Withdrawn JP2013511894A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/621,156 2009-11-18
US12/621,156 US10115386B2 (en) 2009-11-18 2009-11-18 Delay techniques in active noise cancellation circuits or other circuits that perform filtering of decimated coefficients
PCT/US2010/054147 WO2011062734A1 (en) 2009-11-18 2010-10-26 Delay techniques in active noise cancellation circuits or other circuits that perform filtering of decimated coefficients

Related Child Applications (1)

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JP2015000526A Division JP5897739B2 (ja) 2009-11-18 2015-01-05 デシメートされた係数（ｄｅｃｉｍａｔｅｄｃｏｅｆｆｉｃｉｅｎｔｓ）のフィルタリングを実行する他の回路またはアクティヴ雑音相殺回路における遅延技術

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JP2013511894A true JP2013511894A (ja) 2013-04-04

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JP2012539919A Withdrawn JP2013511894A (ja) 2009-11-18 2010-10-26 デシメートされた係数（ｄｅｃｉｍａｔｅｄｃｏｅｆｆｉｃｉｅｎｔｓ）のフィルタリングを実行する他の回路またはアクティヴ雑音相殺回路における遅延技術
JP2015000526A Expired - Fee Related JP5897739B2 (ja) 2009-11-18 2015-01-05 デシメートされた係数（ｄｅｃｉｍａｔｅｄｃｏｅｆｆｉｃｉｅｎｔｓ）のフィルタリングを実行する他の回路またはアクティヴ雑音相殺回路における遅延技術

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US (1) US10115386B2 (enExample)
EP (1) EP2502225B1 (enExample)
JP (2) JP2013511894A (enExample)
KR (1) KR20120095439A (enExample)
CN (1) CN102648492B (enExample)
WO (1) WO2011062734A1 (enExample)

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JP2023508702A (ja) * 2020-01-14 2023-03-03 チャンシン メモリー テクノロジーズ インコーポレイテッド データサンプリング回路、データサンプリング装置

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CN102648492A (zh) 2012-08-22
WO2011062734A1 (en) 2011-05-26
US10115386B2 (en) 2018-10-30
KR20120095439A (ko) 2012-08-28
JP2015111859A (ja) 2015-06-18
EP2502225A1 (en) 2012-09-26
JP5897739B2 (ja) 2016-03-30
US20110116654A1 (en) 2011-05-19
EP2502225B1 (en) 2018-07-04
CN102648492B (zh) 2014-08-06

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