PL2337224T3 - Jednostka filtra oraz sposób wytwarzania odpowiedzi impulsowych filtrów podpasmowych - Google Patents

Jednostka filtra oraz sposób wytwarzania odpowiedzi impulsowych filtrów podpasmowych

Info

Publication number
PL2337224T3
PL2337224T3 PL11160966T PL11160966T PL2337224T3 PL 2337224 T3 PL2337224 T3 PL 2337224T3 PL 11160966 T PL11160966 T PL 11160966T PL 11160966 T PL11160966 T PL 11160966T PL 2337224 T3 PL2337224 T3 PL 2337224T3
Authority
PL
Poland
Prior art keywords
impulse responses
filter
filter unit
generating subband
generating
Prior art date
Application number
PL11160966T
Other languages
English (en)
Inventor
Lars Villemoes
Original Assignee
Dolby International 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 International Ab filed Critical Dolby International Ab
Publication of PL2337224T3 publication Critical patent/PL2337224T3/pl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0272—Quadrature mirror filters
    • 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
    • G10L19/00—Speech 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
    • G10L19/02—Speech 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0266—Filter banks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion 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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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
    • G10L19/00—Speech 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
    • G10L19/02—Speech 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
    • G10L19/0204—Speech 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)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Compressor (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
PL11160966T 2006-07-04 2007-07-03 Jednostka filtra oraz sposób wytwarzania odpowiedzi impulsowych filtrów podpasmowych PL2337224T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0601462 2006-07-04
US80660706P 2006-07-05 2006-07-05
EP11160966.5A EP2337224B1 (en) 2006-07-04 2007-07-03 Filter unit and method for generating subband filter impulse responses

Publications (1)

Publication Number Publication Date
PL2337224T3 true PL2337224T3 (pl) 2017-11-30

Family

ID=41003589

Family Applications (1)

Application Number Title Priority Date Filing Date
PL11160966T PL2337224T3 (pl) 2006-07-04 2007-07-03 Jednostka filtra oraz sposób wytwarzania odpowiedzi impulsowych filtrów podpasmowych

Country Status (15)

Country Link
US (1) US8255212B2 (pl)
EP (6) EP3447916B1 (pl)
JP (1) JP4704499B2 (pl)
KR (1) KR101201167B1 (pl)
CN (1) CN101512899B (pl)
AR (1) AR061807A1 (pl)
DK (1) DK2337224T3 (pl)
ES (4) ES2712457T3 (pl)
HK (1) HK1246013B (pl)
HU (2) HUE057855T2 (pl)
MY (1) MY151651A (pl)
PL (1) PL2337224T3 (pl)
TR (1) TR201902417T4 (pl)
TW (1) TWI351022B (pl)
WO (1) WO2008003467A1 (pl)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5434592B2 (ja) * 2007-06-27 2014-03-05 日本電気株式会社 オーディオ符号化方法、オーディオ復号方法、オーディオ符号化装置、オーディオ復号装置、プログラム、およびオーディオ符号化・復号システム
CN102460573B (zh) 2009-06-24 2014-08-20 弗兰霍菲尔运输应用研究公司 音频信号译码器、对音频信号译码的方法
WO2011083979A2 (en) * 2010-01-06 2011-07-14 Lg Electronics Inc. An apparatus for processing an audio signal and method thereof
WO2011105879A2 (en) * 2010-02-26 2011-09-01 Industry-University Cooperation Foundation Hanyang University Frequency reconfigurable digital filter and equalizer using the same
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
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
EP2897334B1 (en) 2012-09-27 2017-03-29 Huawei Technologies Co., Ltd. Adaptive filtering method and system based on error sub-band
EP3176784B1 (en) 2013-01-08 2020-01-01 Dolby International AB Model based prediction in a filterbank
CN114566183A (zh) * 2013-04-05 2022-05-31 杜比实验室特许公司 使用高级频谱延拓降低量化噪声的压扩装置和方法
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.
EP2830050A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhanced spatial audio object coding
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
EP2830064A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
US9319819B2 (en) * 2013-07-25 2016-04-19 Etri Binaural rendering method and apparatus for decoding multi channel audio
CN105706468B (zh) 2013-09-17 2017-08-11 韦勒斯标准与技术协会公司 用于音频信号处理的方法和设备
US10580417B2 (en) 2013-10-22 2020-03-03 Industry-Academic Cooperation Foundation, Yonsei University Method and apparatus for binaural rendering audio signal using variable order filtering in frequency domain
US9286902B2 (en) 2013-12-16 2016-03-15 Gracenote, Inc. Audio fingerprinting
EP4246513A3 (en) * 2013-12-23 2023-12-13 Wilus Institute of Standards and Technology Inc. Audio signal processing method and parameterization device for same
WO2015142073A1 (ko) 2014-03-19 2015-09-24 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
US9860668B2 (en) 2014-04-02 2018-01-02 Wilus Institute Of Standards And Technology Inc. Audio signal processing method and device
CN106537942A (zh) * 2014-11-11 2017-03-22 谷歌公司 3d沉浸式空间音频***和方法
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

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
KR100458969B1 (ko) * 1993-05-31 2005-04-06 소니 가부시끼 가이샤 신호부호화또는복호화장치,및신호부호화또는복호화방법
EP0760197B1 (en) * 1994-05-11 2009-01-28 Aureal Semiconductor Inc. Three-dimensional virtual audio display employing reduced complexity imaging filters
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
US6658382B1 (en) * 1999-03-23 2003-12-02 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
KR101217649B1 (ko) * 2003-10-30 2013-01-02 돌비 인터네셔널 에이비 오디오 신호 인코딩 또는 디코딩
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
EP2337224A3 (en) 2012-01-25
EP3447916A1 (en) 2019-02-27
US8255212B2 (en) 2012-08-28
US20100017195A1 (en) 2010-01-21
TWI351022B (en) 2011-10-21
TR201902417T4 (tr) 2019-03-21
KR20090028755A (ko) 2009-03-19
JP2009542137A (ja) 2009-11-26
KR101201167B1 (ko) 2012-11-13
EP2036201A1 (en) 2009-03-18
HUE057855T2 (hu) 2022-06-28
MY151651A (en) 2014-06-30
EP2337224B1 (en) 2017-06-21
EP3739752A1 (en) 2020-11-18
EP3985873A1 (en) 2022-04-20
WO2008003467A1 (en) 2008-01-10
CN101512899A (zh) 2009-08-19
EP3236587B1 (en) 2018-11-21
ES2905764T3 (es) 2022-04-12
EP3739752B1 (en) 2021-12-15
ES2638269T3 (es) 2017-10-19
EP2337224A2 (en) 2011-06-22
HK1246013B (zh) 2019-11-29
EP3236587A1 (en) 2017-10-25
CN101512899B (zh) 2012-12-26
EP2036201B1 (en) 2017-02-01
AR061807A1 (es) 2008-09-24
JP4704499B2 (ja) 2011-06-15
DK2337224T3 (en) 2017-10-02
ES2712457T3 (es) 2019-05-13
ES2623226T3 (es) 2017-07-10
HUE043155T2 (hu) 2019-08-28
TW200813981A (en) 2008-03-16
EP3447916B1 (en) 2020-07-15

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