AT354160T - Audio signal encoding or decoding - Google Patents

Audio signal encoding or decoding


Publication number
AT354160T AT04770333T AT04770333T AT354160T AT 354160 T AT354160 T AT 354160T AT 04770333 T AT04770333 T AT 04770333T AT 04770333 T AT04770333 T AT 04770333T AT 354160 T AT354160 T AT 354160T
Prior art keywords
audio signal
signal encoding
Prior art date
Application number
Other languages
German (de)
Lars F Villemoes
Per Ekstrand
Heiko Purnhagen
Erik G P Schuijers
Bont Fransiscus M J De
Original Assignee
Koninkl Philips Electronics Nv
Coding Tech 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
Priority to EP03104034 priority Critical
Application filed by Koninkl Philips Electronics Nv, Coding Tech Ab filed Critical Koninkl Philips Electronics Nv
Publication of AT354160T publication Critical patent/AT354160T/en



    • 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
    • G10L19/008Multichannel audio signal coding or decoding, i.e. using interchannel correlation to reduce redundancies, e.g. joint-stereo, intensity-coding, matrixing
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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
AT04770333T 2003-10-30 2004-10-28 Audio signal encoding or decoding AT354160T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03104034 2003-10-30

Publications (1)

Publication Number Publication Date
AT354160T true AT354160T (en) 2007-03-15



Family Applications (1)

Application Number Title Priority Date Filing Date
AT04770333T AT354160T (en) 2003-10-30 2004-10-28 Audio signal encoding or decoding

Country Status (11)

Country Link
US (3) US7519538B2 (en)
EP (1) EP1683133B1 (en)
JP (4) JP4966013B2 (en)
KR (2) KR101217649B1 (en)
CN (2) CN101540171B (en)
AT (1) AT354160T (en)
BR (1) BRPI0415951B1 (en)
DE (1) DE602004004818T2 (en)
ES (1) ES2282899T3 (en)
RU (1) RU2374703C2 (en)
WO (1) WO2005043511A1 (en)

Families Citing this family (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
US7460990B2 (en) * 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
WO2005086139A1 (en) * 2004-03-01 2005-09-15 Dolby Laboratories Licensing Corporation Multichannel audio coding
JP4892184B2 (en) * 2004-10-14 2012-03-07 パナソニック株式会社 Acoustic signal encoding apparatus and acoustic signal decoding apparatus
CN102148035B (en) * 2004-11-02 2014-06-18 皇家飞利浦电子股份有限公司 Encoding and decoding of audio signals using complex-valued filter banks
EP1814104A4 (en) * 2004-11-30 2008-12-31 Panasonic Corp Stereo encoding apparatus, stereo decoding apparatus, and their methods
KR100657916B1 (en) * 2004-12-01 2006-12-14 삼성전자주식회사 Apparatus and method for processing audio signal using correlation between bands
US8150701B2 (en) * 2005-05-26 2012-04-03 Lg Electronics Inc. Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal
JP4988717B2 (en) * 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド Decoding method and apparatus for audio signal
US8577686B2 (en) * 2005-05-26 2013-11-05 Lg Electronics Inc. Method and apparatus for decoding an audio signal
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
WO2007004833A2 (en) * 2005-06-30 2007-01-11 Lg Electronics Inc. Method and apparatus for encoding and decoding an audio signal
JP4859925B2 (en) * 2005-08-30 2012-01-25 エルジー エレクトロニクス インコーポレイティド Audio signal decoding method and apparatus
KR20080049735A (en) * 2005-08-30 2008-06-04 엘지전자 주식회사 Method and apparatus for decoding an audio signal
WO2007004829A2 (en) * 2005-06-30 2007-01-11 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
JP2009500656A (en) * 2005-06-30 2009-01-08 エルジー エレクトロニクス インコーポレイティド Apparatus and method for encoding and decoding an audio signal
US8160888B2 (en) 2005-07-19 2012-04-17 Koninklijke Philips Electronics N.V Generation of multi-channel audio signals
JP5231225B2 (en) * 2005-08-30 2013-07-10 エルジー エレクトロニクス インコーポレイティド Apparatus and method for encoding and decoding an audio signal
US7761289B2 (en) 2005-10-24 2010-07-20 Lg Electronics Inc. Removing time delays in signal paths
US7672379B2 (en) * 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
CA2624633C (en) * 2005-10-05 2012-01-10 Lg Electronics Inc. Signal processing using pilot based coding
US7752053B2 (en) * 2006-01-13 2010-07-06 Lg Electronics Inc. Audio signal processing using pilot based coding
US7751485B2 (en) * 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
US7646319B2 (en) * 2005-10-05 2010-01-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7696907B2 (en) * 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
KR100857116B1 (en) * 2005-10-05 2008-09-08 엘지전자 주식회사 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US8296155B2 (en) * 2006-01-19 2012-10-23 Lg Electronics Inc. Method and apparatus for decoding a signal
TWI329461B (en) * 2006-01-19 2010-08-21 Lg Electronics Inc Method and apparatus for processing a media signal
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
KR20080094775A (en) 2006-02-07 2008-10-24 엘지전자 주식회사 Apparatus and method for encoding/decoding signal
KR100754220B1 (en) * 2006-03-07 2007-09-03 삼성전자주식회사 Binaural decoder for spatial stereo sound and method for decoding thereof
US7676374B2 (en) 2006-03-28 2010-03-09 Nokia Corporation Low complexity subband-domain filtering in the case of cascaded filter banks
MX2008012217A (en) 2006-03-29 2008-11-12 Koninkl Philips Electronics Nv Audio decoding.
US7612275B2 (en) * 2006-04-18 2009-11-03 Nokia Corporation Method, apparatus and computer program product for providing rhythm information from an audio signal
US7818079B2 (en) * 2006-06-09 2010-10-19 Nokia Corporation Equalization based on digital signal processing in downsampled domains
US8682652B2 (en) 2006-06-30 2014-03-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
US20080004866A1 (en) * 2006-06-30 2008-01-03 Nokia Corporation Artificial Bandwidth Expansion Method For A Multichannel Signal
EP2337224B1 (en) * 2006-07-04 2017-06-21 Dolby International AB Filter unit and method for generating subband filter impulse responses
US7876904B2 (en) * 2006-07-08 2011-01-25 Nokia Corporation Dynamic decoding of binaural audio signals
JP2008076847A (en) * 2006-09-22 2008-04-03 Matsushita Electric Ind Co Ltd Decoder and signal processing system
WO2008035949A1 (en) * 2006-09-22 2008-03-27 Samsung Electronics Co., Ltd. Method, medium, and system encoding and/or decoding audio signals by using bandwidth extension and stereo coding
KR101434198B1 (en) * 2006-11-17 2014-08-26 삼성전자주식회사 Method of decoding a signal
WO2008071353A2 (en) 2006-12-12 2008-06-19 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V: Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream
US7783478B2 (en) * 2007-01-03 2010-08-24 Alexander Goldin Two stage frequency subband decomposition
KR101379263B1 (en) 2007-01-12 2014-03-28 삼성전자주식회사 Method and apparatus for decoding bandwidth extension
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
KR101464977B1 (en) * 2007-10-01 2014-11-25 삼성전자주식회사 Method of managing a memory and Method and apparatus of decoding multi channel data
US8655663B2 (en) * 2007-10-26 2014-02-18 D&M Holdings, Inc. Audio signal interpolation device and audio signal interpolation method
US20110282674A1 (en) * 2007-11-27 2011-11-17 Nokia Corporation Multichannel audio coding
EP2229677B1 (en) 2007-12-18 2015-09-16 LG Electronics Inc. A method and an apparatus for processing an audio signal
DE602008005250D1 (en) * 2008-01-04 2011-04-14 Dolby Sweden Ab Audio encoder and decoder
EP2250641B1 (en) * 2008-03-04 2011-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus for mixing a plurality of input data streams
KR101428487B1 (en) 2008-07-11 2014-08-08 삼성전자주식회사 Method and apparatus for encoding and decoding multi-channel
CN101630509B (en) 2008-07-14 2012-04-18 华为技术有限公司 Method, device and system for coding and decoding
TWI613887B (en) * 2009-02-18 2018-02-01 Dolby Int Ab Complex exponential modulated filter bank for high frequency reconstruction or parametric stereo
JP4932917B2 (en) * 2009-04-03 2012-05-16 株式会社エヌ・ティ・ティ・ドコモ Speech decoding apparatus, speech decoding method, and audio decoding program
AU2012204119B2 (en) * 2009-04-03 2014-04-03 Ntt Docomo, Inc. Speech encoding device, speech decoding device, speech encoding method, speech decoding method, speech encoding program, and speech decoding program
CN101556799B (en) * 2009-05-14 2013-08-28 华为技术有限公司 Audio decoding method and audio decoder
JP5365363B2 (en) * 2009-06-23 2013-12-11 ソニー株式会社 Audio signal processing system, the acoustic signal decoding apparatus, the processing in these methods and programs
US9055374B2 (en) * 2009-06-24 2015-06-09 Arizona Board Of Regents For And On Behalf Of Arizona State University Method and system for determining an auditory pattern of an audio segment
WO2011047887A1 (en) * 2009-10-21 2011-04-28 Dolby International Ab Oversampling in a combined transposer filter bank
EP2513899B1 (en) 2009-12-16 2018-02-14 Dolby International AB Sbr bitstream parameter downmix
CA3008914A1 (en) * 2010-01-19 2011-07-28 Dolby International Ab Improved subband block based harmonic transposition
CN102157149B (en) * 2010-02-12 2012-08-08 华为技术有限公司 Stereo signal down-mixing method and coding-decoding device and system
BR112012026502A8 (en) 2010-04-16 2018-07-03 Fraunhofer Ges Forschung apparatus, method and computer program for generating a broadband signal using guided wide extension and blind bandwidth extension
RU2582061C2 (en) * 2010-06-09 2016-04-20 Панасоник Интеллекчуал Проперти Корпорэйшн оф Америка Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit and audio decoding apparatus
MY156027A (en) * 2010-08-12 2015-12-31 Fraunhofer Ges Zur Förderung Der Angewandten Forschung E V Resampling output signals of qmf based audio codecs
KR20120038311A (en) 2010-10-13 2012-04-23 삼성전자주식회사 Apparatus and method for encoding and decoding spatial parameter
EP2477188A1 (en) 2011-01-18 2012-07-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of slot positions of events in an audio signal frame
RU2560788C2 (en) * 2011-02-14 2015-08-20 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Device and method for processing of decoded audio signal in spectral band
JP6155274B2 (en) 2011-11-11 2017-06-28 ドルビー・インターナショナル・アーベー Up-sampling using the over-sampled sbr
EP2828854B1 (en) 2012-03-23 2016-03-16 Dolby Laboratories Licensing Corporation Hierarchical active voice detection
WO2013186344A2 (en) * 2012-06-14 2013-12-19 Dolby International Ab Smooth configuration switching for multichannel audio rendering based on a variable number of received channels
EP2981959B1 (en) 2013-04-05 2018-07-25 Dolby International AB Audio encoder and decoder for interleaved waveform coding
EP2830051A3 (en) * 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
EP2830053A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
TWI557726B (en) * 2013-08-29 2016-11-11 Dolby Int Ab System and method for determining a master scale factor band table for a highband signal of an audio signal
JP6360253B2 (en) * 2014-09-12 2018-07-18 ドルビー ラボラトリーズ ライセンシング コーポレイション Rendering of the audio objects in the playback environment, including the surround and / or height speakers
US9837065B2 (en) 2014-12-08 2017-12-05 Ford Global Technologies, Llc Variable bandwidth delayless subband algorithm for broadband active noise control system
US20180308507A1 (en) * 2016-01-15 2018-10-25 Dolby Laboratories Licensing Corporation Audio signal processing with low latency

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3211752C2 (en) 1982-03-30 1985-09-26 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
JPS621228A (en) 1985-06-26 1987-01-07 Fujitsu Ltd Selective growth method for tungsten silicide
US4692343A (en) 1985-08-05 1987-09-08 Spectrum Cvd, Inc. Plasma enhanced CVD
US4737474A (en) 1986-11-17 1988-04-12 Spectrum Cvd, Inc. Silicide to silicon bonding process
EP0305143B1 (en) 1987-08-24 1993-12-08 Fujitsu Limited Method of selectively forming a conductor layer
EP0446037B1 (en) * 1990-03-09 1997-10-08 AT&T Corp. Hybrid perceptual audio coding
JPH0410429A (en) 1990-04-26 1992-01-14 Matsushita Electron Corp Semiconductor device
JP2892451B2 (en) 1990-07-13 1999-05-17 住友重機械工業株式会社 Electrical - Air servoactuators
NL9100173A (en) 1991-02-01 1992-09-01 Philips Nv Subband coding system, and a transmitter equipped with the coding device.
US5392037A (en) 1991-05-21 1995-02-21 Matsushita Electric Industrial Co., Ltd. Method and apparatus for encoding and decoding
JP2778324B2 (en) * 1992-01-24 1998-07-23 日本電気株式会社 Sub-band division method
JPH05235701A (en) * 1992-02-25 1993-09-10 Nippon Steel Corp Method and device for processing digital filter bank by ring convolution
US5408580A (en) * 1992-09-21 1995-04-18 Aware, Inc. Audio compression system employing multi-rate signal analysis
US5926791A (en) * 1995-10-26 1999-07-20 Sony Corporation Recursively splitting the low-frequency band with successively fewer filter taps in methods and apparatuses for sub-band encoding, decoding, and encoding and decoding
US5956674A (en) 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US5852806A (en) * 1996-03-19 1998-12-22 Lucent Technologies Inc. Switched filterbank for use in audio signal coding
KR100261253B1 (en) 1997-04-02 2000-07-01 윤종용 Scalable audio encoder/decoder and audio encoding/decoding method
SE512719C2 (en) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd A method and apparatus for reducing the data flow based on the harmonic bandwidth expansion
US5890125A (en) 1997-07-16 1999-03-30 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding multiple audio channels at low bit rates using adaptive selection of encoding method
US6016473A (en) * 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
KR100354531B1 (en) 1998-05-06 2002-09-14 삼성전자 주식회사 Lossless encoding and decoding system for real-time decoding
US6978236B1 (en) * 1999-10-01 2005-12-20 Coding Technologies Ab Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
SE9903553D0 (en) 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
US7260523B2 (en) * 1999-12-21 2007-08-21 Texas Instruments Incorporated Sub-band speech coding system
SE0001926D0 (en) * 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation / folding in the sub-band domain
JP2001339311A (en) * 2000-05-26 2001-12-07 Yamaha Corp Audio signal compression circuit and expansion circuit
US6996198B2 (en) * 2000-10-27 2006-02-07 At&T Corp. Nonuniform oversampled filter banks for audio signal processing
US7469206B2 (en) * 2001-11-29 2008-12-23 Coding Technologies Ab Methods for improving high frequency reconstruction
EP1595247B1 (en) * 2003-02-11 2006-09-13 Philips Electronics N.V. Audio coding
MY151755A (en) 2007-12-28 2014-06-30 Shinetsu Chemical Co Outer blade cutting wheel and making method
JP5235701B2 (en) 2009-01-26 2013-07-10 キヤノン株式会社 Imaging device

Also Published As

Publication number Publication date
JP5192424B2 (en) 2013-05-08
CN1875402B (en) 2012-03-21
KR101217649B1 (en) 2013-01-02
JP2009163257A (en) 2009-07-23
JP4966013B2 (en) 2012-07-04
KR20110113765A (en) 2011-10-18
US20090216544A1 (en) 2009-08-27
DE602004004818T2 (en) 2007-12-06
US20110178810A1 (en) 2011-07-21
JP5335015B2 (en) 2013-11-06
DE602004004818D1 (en) 2007-03-29
BRPI0415951B1 (en) 2018-08-28
RU2374703C2 (en) 2009-11-27
KR101106026B1 (en) 2012-01-17
CN101540171B (en) 2013-11-06
US8260607B2 (en) 2012-09-04
JP5889828B2 (en) 2016-03-22
RU2006118682A (en) 2007-12-10
EP1683133A1 (en) 2006-07-26
BRPI0415951A (en) 2007-01-02
JP2007514962A (en) 2007-06-07
ES2282899T3 (en) 2007-10-16
US7519538B2 (en) 2009-04-14
JP2011128649A (en) 2011-06-30
BRPI0415951A8 (en) 2018-05-02
EP1683133B1 (en) 2007-02-14
JP2013167908A (en) 2013-08-29
CN1875402A (en) 2006-12-06
US20070067162A1 (en) 2007-03-22
US8073685B2 (en) 2011-12-06
KR20060131745A (en) 2006-12-20
CN101540171A (en) 2009-09-23
WO2005043511A1 (en) 2005-05-12

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