JP7282761B2 - 低遅延デシメータ及びインターポレータフィルタ - Google Patents

低遅延デシメータ及びインターポレータフィルタ Download PDF

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JP7282761B2
JP7282761B2 JP2020522813A JP2020522813A JP7282761B2 JP 7282761 B2 JP7282761 B2 JP 7282761B2 JP 2020522813 A JP2020522813 A JP 2020522813A JP 2020522813 A JP2020522813 A JP 2020522813A JP 7282761 B2 JP7282761 B2 JP 7282761B2
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signal
filter
noise
sample frequency
delay
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JP2021501359A5 (enExample
JP2021501359A (ja
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ポールセン、イェンス・クリスチャン
ソルムントソン、トラウスティ
ミラーニ、アリ・アブドラザデ
ミラー、マーク
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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
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17855—Methods, e.g. algorithms; Devices for improving speed or power requirements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • 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
    • G10K11/1787—General system configurations
    • G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1083—Reduction of ambient noise
    • 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
    • G10K2210/3028—Filtering, e.g. Kalman filters or special analogue or digital filters
    • G10K2210/30281—Lattice filters
    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02163—Only one microphone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/01—Hearing devices using active noise cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones

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  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Human Computer Interaction (AREA)
  • General Health & Medical Sciences (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP2020522813A 2017-10-31 2018-10-31 低遅延デシメータ及びインターポレータフィルタ Active JP7282761B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762579809P 2017-10-31 2017-10-31
US62/579,809 2017-10-31
PCT/US2018/058574 WO2019089845A1 (en) 2017-10-31 2018-10-31 Low delay decimator and interpolator filters

Publications (3)

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JP2021501359A JP2021501359A (ja) 2021-01-14
JP2021501359A5 JP2021501359A5 (enExample) 2021-09-30
JP7282761B2 true JP7282761B2 (ja) 2023-05-29

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JP2020522813A Active JP7282761B2 (ja) 2017-10-31 2018-10-31 低遅延デシメータ及びインターポレータフィルタ

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US (1) US10904661B2 (enExample)
EP (1) EP3704796B1 (enExample)
JP (1) JP7282761B2 (enExample)
CN (1) CN111566934B (enExample)
WO (1) WO2019089845A1 (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10810990B2 (en) * 2018-02-01 2020-10-20 Cirrus Logic, Inc. Active noise cancellation (ANC) system with selectable sample rates
US10848131B1 (en) * 2019-05-29 2020-11-24 Synaptics Incorporated Low power lattice wave filter systems and methods
TWI760676B (zh) * 2020-01-07 2022-04-11 瑞昱半導體股份有限公司 具有抗噪機制的音訊播放裝置及方法
GB2595647A (en) 2020-05-28 2021-12-08 Nokia Technologies Oy Decimator for audio signals
WO2022119990A1 (en) 2020-12-03 2022-06-09 Dolby Laboratories Licensing Corporation Audibility at user location through mutual device audibility
CN112929780B (zh) * 2021-03-08 2024-07-02 东莞市七倍音速电子有限公司 一种降噪处理的音频芯片及耳机
CN119727665B (zh) * 2024-12-06 2025-11-25 西安交通大学 一种σ-δadc降采样数字滤波器浮点系数定点化单元设计方法

Citations (4)

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JP2004120182A (ja) 2002-09-25 2004-04-15 Sanyo Electric Co Ltd デシメーションフィルタおよびインターポレーションフィルタ
JP2008250270A (ja) 2007-03-02 2008-10-16 Sony Corp 信号処理装置、信号処理方法
JP2013532308A (ja) 2010-06-01 2013-08-15 クゥアルコム・インコーポレイテッド オーディオ等化のためのシステム、方法、デバイス、装置、およびコンピュータプログラム製品
JP2014519758A (ja) 2011-06-03 2014-08-14 シラス ロジック、インコーポレイテッド パーソナルオーディオデバイスのための適合的ノイズキャンセリングアーキテクチャ

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JP3416477B2 (ja) * 1997-08-22 2003-06-16 三洋電機株式会社 デルタ・シグマ型ｄ／ａ変換器
US6442581B1 (en) * 1999-09-21 2002-08-27 Creative Technologies Ltd. Lattice structure for IIR and FIR filters with automatic normalization
US8094046B2 (en) * 2007-03-02 2012-01-10 Sony Corporation Signal processing apparatus and signal processing method
GB0725111D0 (en) 2007-12-21 2008-01-30 Wolfson Microelectronics Plc Lower rate emulation
US8135140B2 (en) * 2008-11-20 2012-03-13 Harman International Industries, Incorporated System for active noise control with audio signal compensation
EP2216774B1 (en) * 2009-01-30 2015-09-16 Harman Becker Automotive Systems GmbH Adaptive noise control system and method
US8737636B2 (en) * 2009-07-10 2014-05-27 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation
US10115386B2 (en) * 2009-11-18 2018-10-30 Qualcomm Incorporated Delay techniques in active noise cancellation circuits or other circuits that perform filtering of decimated coefficients
US8526628B1 (en) 2009-12-14 2013-09-03 Audience, Inc. Low latency active noise cancellation system
US20150010170A1 (en) * 2012-01-10 2015-01-08 Actiwave Ab Multi-rate filter system
WO2016054186A1 (en) * 2014-09-30 2016-04-07 Avnera Corporation Acoustic processor having low latency
US9609451B2 (en) * 2015-02-12 2017-03-28 Dts, Inc. Multi-rate system for audio processing

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JP2004120182A (ja) 2002-09-25 2004-04-15 Sanyo Electric Co Ltd デシメーションフィルタおよびインターポレーションフィルタ
JP2008250270A (ja) 2007-03-02 2008-10-16 Sony Corp 信号処理装置、信号処理方法
JP2013532308A (ja) 2010-06-01 2013-08-15 クゥアルコム・インコーポレイテッド オーディオ等化のためのシステム、方法、デバイス、装置、およびコンピュータプログラム製品
JP2014519758A (ja) 2011-06-03 2014-08-14 シラス ロジック、インコーポレイテッド パーソナルオーディオデバイスのための適合的ノイズキャンセリングアーキテクチャ

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Hakan Johansson，DESIGN OF BIRECIPROCAL LINEAR-PHASE LATTICE WAVE DIGITAL FILTERS，[online]，1996年01月，p.1-17， <URL:https://www.researchgate.net/profile/Lars-Wanhammar/publication/229026953_Design_of_bireciprocal_linear-phase_lattice_wave_digital_filters/links/09e4150642f182b5fe000000/Design-of-bireciprocal-linear-phase-lattice-wave-digital-filters.pdf>，[令和４年７月２５日検索],インターネット

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Publication number Publication date
EP3704796A1 (en) 2020-09-09
CN111566934B (zh) 2024-04-09
US10904661B2 (en) 2021-01-26
CN111566934A (zh) 2020-08-21
JP2021501359A (ja) 2021-01-14
WO2019089845A1 (en) 2019-05-09
EP3704796A4 (en) 2021-10-27
US20190132679A1 (en) 2019-05-02
EP3704796B1 (en) 2024-03-06

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