ATE503300T1 - Effiziente filterung mit einer komplex modulierten filterbank - Google Patents

Effiziente filterung mit einer komplex modulierten filterbank

Info

Publication number
ATE503300T1
ATE503300T1 AT06777144T AT06777144T ATE503300T1 AT E503300 T1 ATE503300 T1 AT E503300T1 AT 06777144 T AT06777144 T AT 06777144T AT 06777144 T AT06777144 T AT 06777144T AT E503300 T1 ATE503300 T1 AT E503300T1
Authority
AT
Austria
Prior art keywords
complex
filter
impulse response
signal
filter bank
Prior art date
Application number
AT06777144T
Other languages
English (en)
Inventor
Lars Villemoes
Original Assignee
Dolby Int Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dolby Int Ab filed Critical Dolby Int Ab
Application granted granted Critical
Publication of ATE503300T1 publication Critical patent/ATE503300T1/de

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0248Filters characterised by a particular frequency response or filtering method
    • H03H17/0264Filter sets with mutual related characteristics
    • H03H17/0266Filter banks
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0294Variable filters; Programmable filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2218/00Indexing scheme relating to details of digital filters
    • H03H2218/04In-phase and quadrature [I/Q] signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Liquid Crystal Substances (AREA)
  • Materials For Photolithography (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Filters And Equalizers (AREA)
  • Dc Digital Transmission (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Peptides Or Proteins (AREA)
  • Prostheses (AREA)
  • Networks Using Active Elements (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Lubricants (AREA)
  • Detergent Compositions (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Error Detection And Correction (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Eye Examination Apparatus (AREA)
AT06777144T 2006-01-27 2006-09-01 Effiziente filterung mit einer komplex modulierten filterbank ATE503300T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US76259206P 2006-01-27 2006-01-27
US74455906P 2006-04-10 2006-04-10
PCT/EP2006/008565 WO2007085275A1 (en) 2006-01-27 2006-09-01 Efficient filtering with a complex modulated filterbank

Publications (1)

Publication Number Publication Date
ATE503300T1 true ATE503300T1 (de) 2011-04-15

Family

ID=37336292

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06777144T ATE503300T1 (de) 2006-01-27 2006-09-01 Effiziente filterung mit einer komplex modulierten filterbank

Country Status (21)

Country Link
US (2) US7711552B2 (de)
EP (10) EP3979497B1 (de)
JP (3) JP5452936B2 (de)
KR (1) KR100959971B1 (de)
CN (3) CN101882441B (de)
AT (1) ATE503300T1 (de)
AU (2) AU2006336954B2 (de)
BR (2) BRPI0621207B1 (de)
CA (1) CA2640431C (de)
DE (1) DE602006020930D1 (de)
DK (1) DK4372743T3 (de)
ES (7) ES2821413T3 (de)
FI (1) FI4372743T3 (de)
HK (1) HK1256315B (de)
HU (7) HUE057622T2 (de)
MY (3) MY154144A (de)
NO (5) NO339847B1 (de)
RU (3) RU2453986C2 (de)
TR (1) TR201808453T4 (de)
TW (1) TWI325685B (de)
WO (1) WO2007085275A1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100803212B1 (ko) 2006-01-11 2008-02-14 삼성전자주식회사 스케일러블 채널 복호화 방법 및 장치
KR100773560B1 (ko) 2006-03-06 2007-11-05 삼성전자주식회사 스테레오 신호 생성 방법 및 장치
KR100773562B1 (ko) 2006-03-06 2007-11-07 삼성전자주식회사 스테레오 신호 생성 방법 및 장치
US7676374B2 (en) * 2006-03-28 2010-03-09 Nokia Corporation Low complexity subband-domain filtering in the case of cascaded filter banks
KR100763920B1 (ko) * 2006-08-09 2007-10-05 삼성전자주식회사 멀티채널 신호를 모노 또는 스테레오 신호로 압축한 입력신호를 2채널의 바이노럴 신호로 복호화하는 방법 및 장치
US8463724B2 (en) * 2007-08-03 2013-06-11 Sap Ag Computer archive traversal
US8831936B2 (en) * 2008-05-29 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for speech signal processing using spectral contrast enhancement
US8538749B2 (en) * 2008-07-18 2013-09-17 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for enhanced intelligibility
TWI559679B (zh) * 2009-02-18 2016-11-21 杜比國際公司 低延遲調變濾波器組及用以設計該低延遲調變濾波器組之方法
US9202456B2 (en) * 2009-04-23 2015-12-01 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for automatic control of active noise cancellation
GB2470059A (en) 2009-05-08 2010-11-10 Nokia Corp Multi-channel audio processing using an inter-channel prediction model to form an inter-channel parameter
EP2513898B1 (de) * 2009-12-16 2014-08-13 Nokia Corporation Mehrkanalaudioverarbeitung
US9053697B2 (en) 2010-06-01 2015-06-09 Qualcomm Incorporated Systems, methods, devices, apparatus, and computer program products for audio equalization
US8958510B1 (en) * 2010-06-10 2015-02-17 Fredric J. Harris Selectable bandwidth filter
IL317702A (en) 2010-09-16 2025-02-01 Dolby Int Ab Method and system for harmonic, block, subchannel, and enhanced transposition by rhetorical multiplication
US9036752B2 (en) 2011-05-05 2015-05-19 Nuance Communications, Inc. Low-delay filtering
US20130162901A1 (en) 2011-12-22 2013-06-27 Silicon Image, Inc. Ringing suppression in video scalers
EP2979360A4 (de) * 2013-03-26 2017-03-29 Lachlan Paul Barratt Audiofilterung mit erhöhter virtueller abtastrate
US9520140B2 (en) * 2013-04-10 2016-12-13 Dolby Laboratories Licensing Corporation Speech dereverberation methods, devices and systems
EP2830056A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Codierung oder Decodierung eines Audiosignals mit intelligenter Lückenfüllung in der spektralen Domäne
JP6151866B2 (ja) * 2013-12-23 2017-06-21 ウィルス インスティテュート オブ スタンダーズ アンド テクノロジー インコーポレイティド オーディオ信号のフィルタ生成方法およびそのためのパラメータ化装置
TWI559781B (zh) * 2014-08-21 2016-11-21 國立交通大學 壓電揚聲器驅動系統和其驅動方法
CN106297813A (zh) 2015-05-28 2017-01-04 杜比实验室特许公司 分离的音频分析和处理
RU2630161C1 (ru) * 2016-02-18 2017-09-05 Закрытое акционерное общество "Современные беспроводные технологии" Устройство подавления боковых лепестков при импульсном сжатии многофазных кодов Р3 и Р4 (варианты)
JP6720416B2 (ja) 2016-08-31 2020-07-08 ホアウェイ・テクノロジーズ・デュッセルドルフ・ゲーエムベーハー フィルタリングされたマルチキャリア通信
US10757501B2 (en) 2018-05-01 2020-08-25 Facebook Technologies, Llc Hybrid audio system for eyewear devices
US10658995B1 (en) * 2019-01-15 2020-05-19 Facebook Technologies, Llc Calibration of bone conduction transducer assembly
TW202516861A (zh) 2019-06-26 2025-04-16 美商杜拜研究特許公司 具有改善頻率解析度的低延遲音訊濾波器組
CN120455924A (zh) 2019-09-03 2025-08-08 杜比实验室特许公司 具有解相关分量的音频滤波器组
KR102301538B1 (ko) * 2020-02-12 2021-09-13 국방과학연구소 신호 필터링 장치 및 방법
US11678103B2 (en) 2021-09-14 2023-06-13 Meta Platforms Technologies, Llc Audio system with tissue transducer driven by air conduction transducer
US11889280B2 (en) 2021-10-05 2024-01-30 Cirrus Logic Inc. Filters and filter chains
CA3240986A1 (en) 2021-12-20 2023-06-29 Dolby International Ab Ivas spar filter bank in qmf domain
TWI789188B (zh) 2021-12-29 2023-01-01 悅視界有限公司 濾波器系統及其操作方法
CN117275446B (zh) * 2023-11-21 2024-01-23 电子科技大学 一种基于声音事件检测的交互式有源噪声控制系统及方法

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2065666C1 (ru) * 1991-05-20 1996-08-20 Московский институт радиотехники, электроники и автоматики Устройство для разделения двух частотно-модулированных сигналов с перекрывающимися спектрами
FR2680924B1 (fr) 1991-09-03 1997-06-06 France Telecom Procede de filtrage adapte d'un signal transforme en sous-bandes, et dispositif de filtrage correspondant.
US5995539A (en) * 1993-03-17 1999-11-30 Miller; William J. Method and apparatus for signal transmission and reception
KR970009469B1 (ko) * 1993-06-05 1997-06-13 삼성전자 주식회사 더블스무딩(Double Smoothing) 기능을 갖는 비월/순차주사변환장치 및 그 방법
BR9610290A (pt) * 1995-09-14 1999-03-16 Ericsson Ge Mobile Inc Processo para aumentar a inteligibilidade de voz em sinais de áudio aparelho para reduzir ruído em quadros recebidos de sinais de áudio digitalizados e sistema de telecomunicações
KR0147758B1 (ko) * 1995-09-25 1998-12-01 이준 Mpeg-2 오디오 복호화기의 합성 필터
US5848108A (en) * 1996-11-29 1998-12-08 Northern Telecom Limited Selective filtering for co-channel interference reduction
US6236731B1 (en) * 1997-04-16 2001-05-22 Dspfactory Ltd. Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signal in hearing aids
US6466918B1 (en) * 1999-11-18 2002-10-15 Amazon. Com, Inc. System and method for exposing popular nodes within a browse tree
US6704729B1 (en) * 2000-05-19 2004-03-09 Microsoft Corporation Retrieval of relevant information categories
SE0001926D0 (sv) * 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
US7230910B2 (en) * 2001-01-30 2007-06-12 Lucent Technologies Inc. Optimal channel sounding system
SE0101175D0 (sv) * 2001-04-02 2001-04-02 Coding Technologies Sweden Ab Aliasing reduction using complex-exponential-modulated filterbanks
JP2005510690A (ja) * 2001-04-27 2005-04-21 マイクロリス コーポレイション マスフローコントローラおよびマスフローメータにおける出力をフィルタリングするためのシステムおよび方法
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
CA2354808A1 (en) * 2001-08-07 2003-02-07 King Tam Sub-band adaptive signal processing in an oversampled filterbank
CN2507187Y (zh) * 2001-09-19 2002-08-21 李清权 中压变频调速装置
US7693570B2 (en) 2002-04-25 2010-04-06 Fonar Corporation Magnetic resonance imaging with adjustable fixture apparatus
WO2004010415A1 (ja) * 2002-07-19 2004-01-29 Nec Corporation オーディオ復号装置と復号方法およびプログラム
US7454209B2 (en) * 2002-09-05 2008-11-18 Qualcomm Incorporated Adapting operation of a communication filter based on mobile unit velocity
SE0301273D0 (sv) * 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
JP4396233B2 (ja) * 2003-11-13 2010-01-13 パナソニック株式会社 複素指数変調フィルタバンクの信号分析方法、信号合成方法、そのプログラム及びその記録媒体
DE10361037A1 (de) * 2003-12-23 2005-07-28 Infineon Technologies Ag Verfahren und Vorrichtung zur Demodulation eines phasenmodulierten Signals
US6980933B2 (en) * 2004-01-27 2005-12-27 Dolby Laboratories Licensing Corporation Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients
US7366746B2 (en) * 2004-02-12 2008-04-29 Xerox Corporation Finite impulse response filter method and apparatus

Also Published As

Publication number Publication date
NO20161716A1 (no) 2008-08-26
JP2011103663A (ja) 2011-05-26
EP4564348A3 (de) 2025-08-27
ES3032536T3 (en) 2025-07-21
EP2337223A3 (de) 2012-01-25
NO344514B1 (no) 2020-01-20
ES2821413T3 (es) 2021-04-26
EP3334043B1 (de) 2019-07-31
ES2906088T3 (es) 2022-04-13
EP3979497A1 (de) 2022-04-06
TWI325685B (en) 2010-06-01
NO342163B1 (no) 2018-04-09
EP4372743A3 (de) 2024-09-25
MY154144A (en) 2015-05-15
US20100174767A1 (en) 2010-07-08
WO2007085275A1 (en) 2007-08-02
NO20180322A1 (no) 2008-08-26
HUE057622T2 (hu) 2022-05-28
NO20180533A1 (no) 2008-08-26
EP1977510A1 (de) 2008-10-08
NO339847B1 (no) 2017-02-06
TW200729708A (en) 2007-08-01
FI4372743T3 (fi) 2025-07-01
NO343578B1 (no) 2019-04-08
HK1120938A1 (en) 2009-04-09
ES2672811T3 (es) 2018-06-18
HK1150687A1 (en) 2012-01-06
DE602006020930D1 (de) 2011-05-05
HUE066862T2 (hu) 2024-09-28
RU2453986C2 (ru) 2012-06-20
HUE071512T2 (hu) 2025-09-28
ES2750304T3 (es) 2020-03-25
DK4372743T3 (da) 2025-06-02
HUE045751T2 (hu) 2020-01-28
CN101882441A (zh) 2010-11-10
EP2337223B1 (de) 2014-12-24
AU2006336954B2 (en) 2011-02-03
US20070179781A1 (en) 2007-08-02
EP3979497B1 (de) 2023-01-04
MY171034A (en) 2019-09-23
MY144430A (en) 2011-09-15
RU2011154389A (ru) 2013-07-10
EP3754846A1 (de) 2020-12-23
EP4564348A2 (de) 2025-06-04
EP1977510B1 (de) 2011-03-23
CN102158198B (zh) 2015-04-01
HUE061488T2 (hu) 2023-07-28
US8315859B2 (en) 2012-11-20
EP3754846B1 (de) 2021-12-15
CN101882441B (zh) 2013-02-27
CN101401305B (zh) 2012-05-23
BRPI0621207A2 (pt) 2013-10-29
EP2306644B1 (de) 2018-03-21
BRPI0621207B1 (pt) 2020-03-03
EP3334043A1 (de) 2018-06-13
NO20083675L (no) 2008-08-26
AU2010257205B2 (en) 2014-04-03
AU2010257205A1 (en) 2011-01-13
CN101401305A (zh) 2009-04-01
KR20080095867A (ko) 2008-10-29
KR100959971B1 (ko) 2010-05-27
US7711552B2 (en) 2010-05-04
EP4178110B1 (de) 2024-04-24
HUE039217T2 (hu) 2018-12-28
HK1149646A1 (en) 2011-10-07
TR201808453T4 (tr) 2018-07-23
BR122018017208B1 (pt) 2019-06-11
AU2006336954A1 (en) 2007-08-02
CA2640431A1 (en) 2007-08-02
EP4372743A2 (de) 2024-05-22
JP5453222B2 (ja) 2014-03-26
JP2009524956A (ja) 2009-07-02
EP4178110A1 (de) 2023-05-10
CN102158198A (zh) 2011-08-17
EP2306644A1 (de) 2011-04-06
EP3454471B1 (de) 2020-08-26
ES2983574T3 (es) 2024-10-23
RU2010136817A (ru) 2012-03-10
ES2940283T3 (es) 2023-05-05
JP2011103662A (ja) 2011-05-26
NO342467B1 (no) 2018-05-28
RU2402872C2 (ru) 2010-10-27
EP2337223A2 (de) 2011-06-22
EP3454471A1 (de) 2019-03-13
EP4372743B1 (de) 2025-05-07
RU2008134898A (ru) 2010-03-10
NO20161718A1 (no) 2008-08-26
HUE051853T2 (hu) 2021-03-29
JP5452936B2 (ja) 2014-03-26
CA2640431C (en) 2012-11-06
RU2507678C2 (ru) 2014-02-20
HK1256315B (en) 2020-07-17

Similar Documents

Publication Publication Date Title
ATE503300T1 (de) Effiziente filterung mit einer komplex modulierten filterbank
WO2007095624A3 (en) Digital domain sampling rate converter
ATE522985T1 (de) Akustische echokompensierung
SG166066A1 (en) Method for calculation of seismic attributes from seismic signals
SG158010A1 (en) Method for attenuation of multiple reflections 1n seismic data
WO2011046819A3 (en) Sensor assembly having a seismic sensor, pressure sensor, and processor to apply first and second digital filters
CN101650428A (zh) 潜艇微弱目标信号的混沌振子检测方法
CN102495140A (zh) 一种面向超声波信号的小波去噪方法及系统
CN103969505B (zh) 基于插值的随机共振高频弱信号检测方法
CN103308153A (zh) 环境噪声可变励磁调幅调频检测与估计方法
ATE389969T1 (de) Filter zur eliminierung der überschwingungen
NO20053802D0 (no) Elektronisk filter
WO2008070597A3 (en) Attenuating unwanted signal using interferometry techniques
CN103580646B (zh) 一种用于估计模拟滤波器频率响应特性的方法
CN103152009B (zh) 一种波矢折向多条耦合器结构声表面波滤波器
PL363535A1 (en) Inverse filtering method, synthesis filtering method, inverse filter device, synthesis filter device and devices comprising such filter devices
DE602005014503D1 (de) Ultrabreitband-hochfrequenzsender und -impulsgenerator
DE60218190D1 (de) Verfahren und vorrichtung zur ausführung einer affinen oder nicht affinen transformation
ATE524807T1 (de) Verfahren zur identifikation von signalen gleichen ursprungs
CHEN et al. The Design of D-Class Power Amplifier and Matching Circuit
CN202949400U (zh) 可调式管道导波信号带通滤波器
Emaru et al. Research on signal tracking performance of nonlinear digital filter ESDS
Maganti et al. Suppression of interference in speech signals via multirate filter banks
TW200737582A (en) Micro band-pass filter
RU2009105107A (ru) Интеллектуальный согласованный фильтр

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties