HUE043155T2 - Szûrõátalakítót és szûrõkrompresszort tartalmazó szûrõrendszer, és eljárás a szûrõrendszer mûködtetésére - Google Patents

Szûrõátalakítót és szûrõkrompresszort tartalmazó szûrõrendszer, és eljárás a szûrõrendszer mûködtetésére

Info

Publication number
HUE043155T2
HUE043155T2 HUE17172246A HUE17172246A HUE043155T2 HU E043155 T2 HUE043155 T2 HU E043155T2 HU E17172246 A HUE17172246 A HU E17172246A HU E17172246 A HUE17172246 A HU E17172246A HU E043155 T2 HUE043155 T2 HU E043155T2
Authority
HU
Hungary
Prior art keywords
filter
operating
compressor
converter
filter system
Prior art date
Application number
HUE17172246A
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
Publication of HUE043155T2 publication Critical patent/HUE043155T2/hu

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • 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
    • H03H17/0272Quadrature mirror filters
    • 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
    • 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
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S5/00Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compressor (AREA)
HUE17172246A 2006-07-04 2007-07-03 Szûrõátalakítót és szûrõkrompresszort tartalmazó szûrõrendszer, és eljárás a szûrõrendszer mûködtetésére HUE043155T2 (hu)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0601462 2006-07-04
US80660706P 2006-07-05 2006-07-05

Publications (1)

Publication Number Publication Date
HUE043155T2 true HUE043155T2 (hu) 2019-08-28

Family

ID=41003589

Family Applications (4)

Application Number Title Priority Date Filing Date
HUE20184766A HUE057855T2 (hu) 2006-07-04 2007-07-03 Szûrõrendszer, amely tartalmaz egy szûrõátalakítót és egy szûrõkompresszort, valamint a szûrõrendszer mûködtetésére való eljárás
HUE24210746A HUE073562T2 (hu) 2006-07-04 2007-07-03 Szûrõátalakítót és szûrõkompresszort tartalmazó szûrõrendszer és eljárás a szûrõrendszer mûködtetésére
HUE21208144A HUE069351T2 (hu) 2006-07-04 2007-07-03 Szûrõrendszer szûrõ-átalakítóval és szûrõkompresszorral, valamint eljárás a szûrõrendszer mûködtetésére
HUE17172246A HUE043155T2 (hu) 2006-07-04 2007-07-03 Szûrõátalakítót és szûrõkrompresszort tartalmazó szûrõrendszer, és eljárás a szûrõrendszer mûködtetésére

Family Applications Before (3)

Application Number Title Priority Date Filing Date
HUE20184766A HUE057855T2 (hu) 2006-07-04 2007-07-03 Szûrõrendszer, amely tartalmaz egy szûrõátalakítót és egy szûrõkompresszort, valamint a szûrõrendszer mûködtetésére való eljárás
HUE24210746A HUE073562T2 (hu) 2006-07-04 2007-07-03 Szûrõátalakítót és szûrõkompresszort tartalmazó szûrõrendszer és eljárás a szûrõrendszer mûködtetésére
HUE21208144A HUE069351T2 (hu) 2006-07-04 2007-07-03 Szûrõrendszer szûrõ-átalakítóval és szûrõkompresszorral, valamint eljárás a szûrõrendszer mûködtetésére

Country Status (15)

Country Link
US (1) US8255212B2 (hu)
EP (8) EP3985873B1 (hu)
JP (1) JP4704499B2 (hu)
KR (1) KR101201167B1 (hu)
CN (1) CN101512899B (hu)
AR (1) AR061807A1 (hu)
DK (1) DK2337224T3 (hu)
ES (6) ES2712457T3 (hu)
HK (1) HK1246013B (hu)
HU (4) HUE057855T2 (hu)
MY (1) MY151651A (hu)
PL (3) PL4481731T3 (hu)
TR (1) TR201902417T4 (hu)
TW (1) TWI351022B (hu)
WO (1) WO2008003467A1 (hu)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8788264B2 (en) * 2007-06-27 2014-07-22 Nec Corporation Audio encoding method, audio decoding method, audio encoding device, audio decoding device, program, and audio encoding/decoding system
MX2011013829A (es) 2009-06-24 2012-03-07 Fraunhofer Ges Forschung Decodificador de señales de audio, metodo para decodificar una señal de audio y programa de computacion que utiliza etapas en cascada de procesamiento de objetos de audio.
EP2522015B1 (en) * 2010-01-06 2017-03-08 LG Electronics Inc. An apparatus for processing an audio signal and method thereof
CN102812637A (zh) * 2010-02-26 2012-12-05 汉阳大学校产学协力团 频率可重构数字滤波器及其均衡器
EP2365630B1 (en) * 2010-03-02 2016-06-08 Harman Becker Automotive Systems GmbH Efficient sub-band adaptive fir-filtering
CN102013879B (zh) * 2010-09-10 2014-09-03 建荣集成电路科技(珠海)有限公司 Mp3音乐均衡调节装置及方法
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
CN103004086B (zh) 2012-09-27 2016-06-08 华为技术有限公司 基于误差子带的自适应滤波方法及系统
CA3054712C (en) 2013-01-08 2020-06-09 Lars Villemoes Model based prediction in a critically sampled filterbank
PL2981963T3 (pl) 2013-04-05 2017-06-30 Dolby Int Ab Urządzenie kompandujące i sposób redukcji szumu kwantyzacji stosujący zaawansowane rozszerzenie spektralne
WO2014171791A1 (ko) 2013-04-19 2014-10-23 한국전자통신연구원 다채널 오디오 신호 처리 장치 및 방법
CN103269212B (zh) * 2013-05-14 2016-05-18 泉州市天龙电子科技有限公司 低成本低功耗可编程多级fir滤波器实现方法
FR3006535A1 (fr) * 2013-05-28 2014-12-05 France Telecom Procede et dispositif de modulation delivrant un signal a porteuses multiples, procede et dispositif de demodulation et programme d’ordinateur correspondants.
EP2830048A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for realizing a SAOC downmix of 3D audio content
EP2830054A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework
EP2830047A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for low delay object metadata coding
EP2830045A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for audio encoding and decoding for audio channels and audio objects
US9319819B2 (en) * 2013-07-25 2016-04-19 Etri Binaural rendering method and apparatus for decoding multi channel audio
EP3048816B1 (en) 2013-09-17 2020-09-16 Wilus Institute of Standards and Technology Inc. Method and apparatus for processing multimedia signals
CN105900455B (zh) 2013-10-22 2018-04-06 延世大学工业学术合作社 用于处理音频信号的方法和设备
US9286902B2 (en) 2013-12-16 2016-03-15 Gracenote, Inc. Audio fingerprinting
CA2934856C (en) * 2013-12-23 2020-01-14 Wilus Institute Of Standards And Technology Inc. Method for generating filter for audio signal, and parameterization device for same
CN106105269B (zh) 2014-03-19 2018-06-19 韦勒斯标准与技术协会公司 音频信号处理方法和设备
KR102216801B1 (ko) 2014-04-02 2021-02-17 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
WO2016077320A1 (en) * 2014-11-11 2016-05-19 Google Inc. 3d immersive spatial audio systems and methods
EP3048608A1 (en) * 2015-01-20 2016-07-27 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Speech reproduction device configured for masking reproduced speech in a masked speech zone
CN105553893B (zh) * 2016-01-07 2021-04-09 广东新岸线科技有限公司 一种时域信道冲激响应的估计方法和装置
US9742599B2 (en) * 2016-01-19 2017-08-22 Hughes Network Systems, Llc Partial response signaling techniques for single and multi-carrier nonlinear satellite systems
TWI866996B (zh) 2019-06-26 2024-12-21 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
IL290390B2 (en) 2019-09-03 2025-05-01 Dolby Laboratories Licensing Corp Audio filter array with decoupling elements
CA3240986A1 (en) * 2021-12-20 2023-06-29 Dolby International Ab Ivas spar filter bank in qmf domain

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4692801A (en) * 1985-05-20 1987-09-08 Nippon Hoso Kyokai Bandwidth compressed transmission system
US6252909B1 (en) * 1992-09-21 2001-06-26 Aware, Inc. Multi-carrier transmission system utilizing channels of different bandwidth
JP3465698B2 (ja) 1993-05-31 2003-11-10 ソニー株式会社 信号復号化方法及び装置
US5717821A (en) * 1993-05-31 1998-02-10 Sony Corporation Method, apparatus and recording medium for coding of separated tone and noise characteristic spectral components of an acoustic sibnal
JPH11503882A (ja) * 1994-05-11 1999-03-30 オーリアル・セミコンダクター・インコーポレーテッド 複雑性を低減したイメージングフィルタを用いた3次元仮想オーディオ表現
GB9606814D0 (en) 1996-03-30 1996-06-05 Central Research Lab Ltd Apparatus for processing stereophonic signals
US5923273A (en) 1996-11-18 1999-07-13 Crystal Semiconductor Corporation Reduced power FIR filter
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
WO1999009650A1 (en) * 1997-08-21 1999-02-25 Data Fusion Corporation Method and apparatus for acquiring wide-band pseudorandom noise encoded waveforms
US6029126A (en) * 1998-06-30 2000-02-22 Microsoft Corporation Scalable audio coder and decoder
US6442197B1 (en) 1999-02-26 2002-08-27 Texas Instruments Incorporated Phase-shift calculation method, and system implementing it, for a finite-impulse-response (FIR) filter
JP3434260B2 (ja) * 1999-03-23 2003-08-04 日本電信電話株式会社 オーディオ信号符号化方法及び復号化方法、これらの装置及びプログラム記録媒体
EP1047047B1 (en) 1999-03-23 2005-02-02 Nippon Telegraph and Telephone Corporation Audio signal coding and decoding methods and apparatus and recording media with programs therefor
US7043423B2 (en) * 2002-07-16 2006-05-09 Dolby Laboratories Licensing Corporation Low bit-rate audio coding systems and methods that use expanding quantizers with arithmetic coding
US7272566B2 (en) 2003-01-02 2007-09-18 Dolby Laboratories Licensing Corporation Reducing scale factor transmission cost for MPEG-2 advanced audio coding (AAC) using a lattice based post processing technique
CN1875402B (zh) * 2003-10-30 2012-03-21 皇家飞利浦电子股份有限公司 音频信号编码或解码
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources

Also Published As

Publication number Publication date
CN101512899A (zh) 2009-08-19
JP4704499B2 (ja) 2011-06-15
EP2036201A1 (en) 2009-03-18
HUE057855T2 (hu) 2022-06-28
US8255212B2 (en) 2012-08-28
TW200813981A (en) 2008-03-16
EP2337224B1 (en) 2017-06-21
MY151651A (en) 2014-06-30
TR201902417T4 (tr) 2019-03-21
EP4481731A2 (en) 2024-12-25
HK1246013B (en) 2019-11-29
JP2009542137A (ja) 2009-11-26
EP4564349C0 (en) 2026-01-21
EP4564349A2 (en) 2025-06-04
CN101512899B (zh) 2012-12-26
TWI351022B (en) 2011-10-21
AR061807A1 (es) 2008-09-24
ES3044633T3 (en) 2025-11-27
PL4481731T3 (pl) 2025-12-01
EP4481731A3 (en) 2025-03-26
EP2337224A3 (en) 2012-01-25
EP3236587A1 (en) 2017-10-25
EP4564349A3 (en) 2025-08-27
EP3447916B1 (en) 2020-07-15
EP2036201B1 (en) 2017-02-01
EP3985873A1 (en) 2022-04-20
ES2905764T3 (es) 2022-04-12
EP3739752A1 (en) 2020-11-18
EP4481731B1 (en) 2025-08-27
EP4564349B1 (en) 2026-01-21
EP4481731C0 (en) 2025-08-27
ES2638269T3 (es) 2017-10-19
KR20090028755A (ko) 2009-03-19
EP3236587B1 (en) 2018-11-21
PL4564349T3 (pl) 2026-04-13
US20100017195A1 (en) 2010-01-21
HUE073562T2 (hu) 2026-01-28
ES2623226T3 (es) 2017-07-10
ES2994934T3 (en) 2025-02-04
EP3985873B1 (en) 2024-11-06
EP3447916A1 (en) 2019-02-27
EP2337224A2 (en) 2011-06-22
WO2008003467A1 (en) 2008-01-10
PL2337224T3 (pl) 2017-11-30
DK2337224T3 (en) 2017-10-02
ES2712457T3 (es) 2019-05-13
KR101201167B1 (ko) 2012-11-13
HUE069351T2 (hu) 2025-03-28
EP3739752B1 (en) 2021-12-15

Similar Documents

Publication Publication Date Title
HUE043155T2 (hu) Szûrõátalakítót és szûrõkrompresszort tartalmazó szûrõrendszer, és eljárás a szûrõrendszer mûködtetésére
EP1931865A4 (en) DIAGNOSTIC PROCEDURE FOR AN EXHAUST TREATMENT SYSTEM
EP1969554A4 (en) METHOD AND SYSTEMS FOR MONITORING QUALITY AND PERFORMANCE IN A CARE DEVICE
ZA201003411B (en) Air filters arrangements; assembles; and, methods
EP1925020A4 (en) SYSTEMS, MASKS AND METHODS FOR PHOTOLITHOGRAPHY
DE502007000724D1 (de) Abgasnachbehandlungssystem
EP2084745A4 (en) DEVICE AND METHOD FOR THE PRODUCTION THEREOF
NO20054549D0 (no) A method and a system for secure transactions
HUE042739T2 (hu) Mûködési eljárás a porlasztó és a hozzá kapcsolódó rétegfelhordó berendezéshez
BRPI0814352A2 (pt) Sistema de modulação de capacidade destinado a compressores e método.
DE602007006610D1 (de) Isolationsdurchdringendes und SMD fähiges Kontaktelement , sowie Verfahren zu dessen Nutzung.
EP2034144A4 (en) METHOD FOR CLEANING AN EXHAUST GAS AND SYSTEM FOR CLEANING AN EXHAUST GAS
EP2013378A4 (en) EVACUATION SYSTEM
DE602005001779D1 (de) Abgasnachbehandlungssystem
PL2106225T3 (pl) Pościel aromaterapeutyczna i sposób jej wytwarzania
GB0515034D0 (en) Method and system for operating a multi-stage combustor
DK1970545T3 (da) Fremgangsmåde til denitrering af udstødningsgas
GB0905984D0 (en) Shaping condition deciding method, and shaping condition deciding system
EP1979586A4 (en) AFTERTREATMENT SYSTEM
EP1875049A4 (en) MUFFLER FOR COMPRESSORS
BRPI0817413A2 (pt) Catalisador de fuligem, filtro de fuligem catalisador e método para formar um filtro de fuligem catalisador
FI20055189A0 (fi) Lähde, järjestely lähteen asentamiseksi sekä menetelmä lähteen asentamiseksi j a poistamiseksi
FI20040165L (fi) Järjestelmä kunnonvalvontaa varten
PL1915884T3 (pl) Sposób działania urządzenie komunikacyjnego i systemu, urządzenia komunikacyjnego i systemu zawierającego urządzenie komunikacyjne
GB2444080B (en) Gas monitoring system