PL1683133T3 - Kodowanie lub dekodowanie sygnału audio - Google Patents

Kodowanie lub dekodowanie sygnału audio

Info

Publication number
PL1683133T3
PL1683133T3 PL04770333T PL04770333T PL1683133T3 PL 1683133 T3 PL1683133 T3 PL 1683133T3 PL 04770333 T PL04770333 T PL 04770333T PL 04770333 T PL04770333 T PL 04770333T PL 1683133 T3 PL1683133 T3 PL 1683133T3
Authority
PL
Poland
Prior art keywords
subband signals
downsampled
subband
audio signal
audio
Prior art date
Application number
PL04770333T
Other languages
English (en)
Inventor
Lars F Villemoes
Per Ekstrand
Heiko Purnhagen
Erik G P Schuijers
Bont Fransiscus M J De
Original Assignee
Koninl Philips Electronics Nv
Dolby Int Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34530779&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL1683133(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninl Philips Electronics Nv, Dolby Int Ag filed Critical Koninl Philips Electronics Nv
Publication of PL1683133T3 publication Critical patent/PL1683133T3/pl

Links

Classifications

    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • 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
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Insulated Conductors (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Stereophonic System (AREA)
PL04770333T 2003-10-30 2004-10-28 Kodowanie lub dekodowanie sygnału audio PL1683133T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03104034 2003-10-30
PCT/IB2004/052226 WO2005043511A1 (en) 2003-10-30 2004-10-28 Audio signal encoding or decoding
EP04770333A EP1683133B1 (en) 2003-10-30 2004-10-28 Audio signal encoding or decoding

Publications (1)

Publication Number Publication Date
PL1683133T3 true PL1683133T3 (pl) 2007-07-31

Family

ID=34530779

Family Applications (1)

Application Number Title Priority Date Filing Date
PL04770333T PL1683133T3 (pl) 2003-10-30 2004-10-28 Kodowanie lub dekodowanie sygnału audio

Country Status (12)

Country Link
US (3) US7519538B2 (pl)
EP (1) EP1683133B1 (pl)
JP (4) JP4966013B2 (pl)
KR (2) KR101217649B1 (pl)
CN (2) CN101540171B (pl)
AT (1) ATE354160T1 (pl)
BR (2) BR122018007834B1 (pl)
DE (1) DE602004004818T2 (pl)
ES (1) ES2282899T3 (pl)
PL (1) PL1683133T3 (pl)
RU (1) RU2374703C2 (pl)
WO (1) WO2005043511A1 (pl)

Families Citing this family (113)

* 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
ATE390683T1 (de) * 2004-03-01 2008-04-15 Dolby Lab Licensing Corp Mehrkanalige audiocodierung
JP4892184B2 (ja) * 2004-10-14 2012-03-07 パナソニック株式会社 音響信号符号化装置及び音響信号復号装置
ES2791001T3 (es) * 2004-11-02 2020-10-30 Koninklijke Philips Nv Codificación y decodificación de señales de audio mediante el uso de bancos de filtros de valor complejo
US7848932B2 (en) * 2004-11-30 2010-12-07 Panasonic Corporation Stereo encoding apparatus, stereo decoding apparatus, and their methods
KR100657916B1 (ko) * 2004-12-01 2006-12-14 삼성전자주식회사 주파수 대역간의 유사도를 이용한 오디오 신호 처리 장치및 방법
JP4988716B2 (ja) * 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 オーディオ信号のデコーディング方法及び装置
JP5118022B2 (ja) * 2005-05-26 2013-01-16 エルジー エレクトロニクス インコーポレイティド オーディオ信号の符号化／復号化方法及び符号化／復号化装置
WO2006126844A2 (en) * 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding an audio signal
US8214221B2 (en) * 2005-06-30 2012-07-03 Lg Electronics Inc. Method and apparatus for decoding an audio signal and identifying information included in the audio signal
EP1913576A2 (en) * 2005-06-30 2008-04-23 LG Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8494667B2 (en) * 2005-06-30 2013-07-23 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8160888B2 (en) 2005-07-19 2012-04-17 Koninklijke Philips Electronics N.V Generation of multi-channel audio signals
CA2620627C (en) * 2005-08-30 2011-03-15 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
JP4568363B2 (ja) * 2005-08-30 2010-10-27 エルジー エレクトロニクス インコーポレイティド オーディオ信号デコーディング方法及びその装置
US8577483B2 (en) * 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
WO2007040357A1 (en) * 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7751485B2 (en) * 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
US7672379B2 (en) * 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
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
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
KR100878833B1 (ko) * 2005-10-05 2009-01-14 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7716043B2 (en) * 2005-10-24 2010-05-11 Lg Electronics Inc. Removing time delays in signal paths
US7752053B2 (en) * 2006-01-13 2010-07-06 Lg Electronics Inc. Audio signal processing using pilot based coding
JP5161109B2 (ja) * 2006-01-19 2013-03-13 エルジー エレクトロニクス インコーポレイティド 信号デコーディング方法及び装置
WO2007083952A1 (en) 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
KR100902899B1 (ko) 2006-02-07 2009-06-15 엘지전자 주식회사 부호화/복호화 장치 및 방법
KR100754220B1 (ko) 2006-03-07 2007-09-03 삼성전자주식회사 Ｍｐｅｇ 서라운드를 위한 바이노럴 디코더 및 그 디코딩방법
US7676374B2 (en) * 2006-03-28 2010-03-09 Nokia Corporation Low complexity subband-domain filtering in the case of cascaded filter banks
KR101015037B1 (ko) * 2006-03-29 2011-02-16 돌비 스웨덴 에이비 오디오 디코딩
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
US20080004866A1 (en) * 2006-06-30 2008-01-03 Nokia Corporation Artificial Bandwidth Expansion Method For A Multichannel Signal
MX2008016163A (es) * 2006-06-30 2009-02-04 Fraunhofer Ges Forschung Codificador de audio, decodificador de audio y procesador de audio con caracteristicas de warping variable de manera dinamica.
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
EP3739752B1 (en) * 2006-07-04 2021-12-15 Dolby International AB Filter system comprising a filter converter and a filter compressor and method for operating the filter system
US7876904B2 (en) * 2006-07-08 2011-01-25 Nokia Corporation Dynamic decoding of binaural audio signals
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
JP2008076847A (ja) * 2006-09-22 2008-04-03 Matsushita Electric Ind Co Ltd 復号器及び信号処理システム
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
KR101016224B1 (ko) 2006-12-12 2011-02-25 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 인코더, 디코더 및 시간 영역 데이터 스트림을 나타내는 데이터 세그먼트를 인코딩하고 디코딩하는 방법
US7783478B2 (en) * 2007-01-03 2010-08-24 Alexander Goldin Two stage frequency subband decomposition
KR101379263B1 (ko) * 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
KR101464977B1 (ko) * 2007-10-01 2014-11-25 삼성전자주식회사 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치
JP5147851B2 (ja) * 2007-10-26 2013-02-20 株式会社ディーアンドエムホールディングス オーディオ信号補間装置及びオーディオ信号補間方法
WO2009068087A1 (en) * 2007-11-27 2009-06-04 Nokia Corporation Multichannel audio coding
WO2009078681A1 (en) 2007-12-18 2009-06-25 Lg Electronics Inc. A method and an apparatus for processing an audio signal
ATE518224T1 (de) * 2008-01-04 2011-08-15 Dolby Int Ab Audiokodierer und -dekodierer
RU2562395C2 (ru) * 2008-03-04 2015-09-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Микширование входящих информационных потоков
KR101428487B1 (ko) * 2008-07-11 2014-08-08 삼성전자주식회사 멀티 채널 부호화 및 복호화 방법 및 장치
CN101630509B (zh) * 2008-07-14 2012-04-18 华为技术有限公司 一种编解码方法、装置及系统
AU2016262695B2 (en) * 2009-02-18 2017-11-09 Dolby International Ab Low Delay Modulated Filter Bank
TWI458258B (zh) * 2009-02-18 2014-10-21 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
AU2012204068B2 (en) * 2009-04-03 2013-12-19 Ntt Docomo, Inc. Speech encoding device, speech decoding device, speech encoding method, speech decoding method, speech encoding program, and speech decoding program
JP4932917B2 (ja) 2009-04-03 2012-05-16 株式会社エヌ・ティ・ティ・ドコモ 音声復号装置、音声復号方法、及び音声復号プログラム
CN101556799B (zh) * 2009-05-14 2013-08-28 华为技术有限公司 一种音频解码方法和音频解码器
JP5365363B2 (ja) * 2009-06-23 2013-12-11 ソニー株式会社 音響信号処理システム、音響信号復号装置、これらにおける処理方法およびプログラム
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
ES3051141T3 (en) * 2009-10-21 2025-12-26 Dolby Int Ab Oversampling in a combined transposer filter bank
MX2012006823A (es) 2009-12-16 2012-07-23 Dolby Int Ab Mezcla descendente de parametros de corriente de bits sbr.
CA3107943C (en) 2010-01-19 2022-09-06 Dolby International Ab Improved subband block based harmonic transposition
CN102157149B (zh) * 2010-02-12 2012-08-08 华为技术有限公司 立体声信号下混方法、编解码装置和编解码系统
KR101698439B1 (ko) 2010-04-09 2017-01-20 돌비 인터네셔널 에이비 Mdct-기반의 복소수 예측 스테레오 코딩
CN102947882B (zh) * 2010-04-16 2015-06-17 弗劳恩霍夫应用研究促进协会 使用制导带宽扩展和盲带宽扩展生成宽带信号的装置、方法
US9093080B2 (en) * 2010-06-09 2015-07-28 Panasonic Intellectual Property Corporation Of America Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatus
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
ES2484795T3 (es) * 2010-07-19 2014-08-12 Dolby International Ab Procesamiento de señales de audio durante la reconstrucción de alta frecuencia
SG187743A1 (en) 2010-08-12 2013-03-28 Fraunhofer Ges Forschung Resampling output signals of qmf based audio codecs
IL317702A (en) 2010-09-16 2025-02-01 Dolby Int Ab Method and system for harmonic, block, subchannel, and enhanced transposition by rhetorical multiplication
KR20120038311A (ko) 2010-10-13 2012-04-23 삼성전자주식회사 공간 파라미터 부호화 장치 및 방법，그리고 공간 파라미터 복호화 장치 및 방법
TWI896112B (zh) 2010-12-03 2025-09-01 美商杜比實驗室特許公司 音頻解碼裝置、音頻解碼方法及音頻編碼方法
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
WO2012110448A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
KR101699898B1 (ko) * 2011-02-14 2017-01-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치
TWI488176B (zh) 2011-02-14 2015-06-11 Fraunhofer Ges Forschung 音訊信號音軌脈衝位置之編碼與解碼技術
BR112013020324B8 (pt) 2011-02-14 2022-02-08 Fraunhofer Ges Forschung Aparelho e método para supressão de erro em fala unificada de baixo atraso e codificação de áudio
KR101613673B1 (ko) 2011-02-14 2016-04-29 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 불활성 위상 동안에 잡음 합성을 사용하는 오디오 코덱
TWI479478B (zh) 2011-02-14 2015-04-01 弗勞恩霍夫爾協會 用以使用對齊的預看部分將音訊信號解碼的裝置與方法
TWI564882B (zh) 2011-02-14 2017-01-01 弗勞恩霍夫爾協會 利用重疊變換之資訊信號表示技術（一）
USRE48258E1 (en) * 2011-11-11 2020-10-13 Dolby International Ab Upsampling using oversampled SBR
EP2828854B1 (en) 2012-03-23 2016-03-16 Dolby Laboratories Licensing Corporation Hierarchical active voice detection
JP6163545B2 (ja) * 2012-06-14 2017-07-12 ドルビー・インターナショナル・アーベー 可変数の受信チャネルに基づくマルチチャネル・オーディオ・レンダリングのためのなめらかな構成切り換え
EP2981960B1 (en) 2013-04-05 2019-03-13 Dolby International AB Stereo audio encoder and decoder
KR102450178B1 (ko) 2013-04-05 2022-10-06 돌비 인터네셔널 에이비 인터리브된 파형 코딩을 위한 오디오 인코더 및 디코더
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
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 (zh) * 2013-08-29 2016-11-11 杜比國際公司 用於決定音頻信號的高頻帶信號的主比例因子頻帶表之系統和方法
PL3155617T3 (pl) * 2014-06-10 2022-04-19 Mqa Limited Cyfrowa enkapsulacja sygnałów audio
EP2963646A1 (en) 2014-07-01 2016-01-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder and method for decoding an audio signal, encoder and method for encoding an audio signal
EP3192282A1 (en) * 2014-09-12 2017-07-19 Dolby Laboratories Licensing Corp. Rendering audio objects in a reproduction environment that includes 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
EP3067889A1 (en) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for signal-adaptive transform kernel switching in audio coding
TWI879690B (zh) 2015-03-13 2025-04-01 瑞典商杜比國際公司 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體
JP6797187B2 (ja) 2015-08-25 2020-12-09 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 オーディオ・デコーダおよびデコード方法
WO2017124007A1 (en) * 2016-01-15 2017-07-20 Dolby Laboratories Licensing Corporation Audio signal processing with low latency
EP3203472A1 (en) * 2016-02-08 2017-08-09 Oticon A/s A monaural speech intelligibility predictor unit
TWI873683B (zh) 2017-03-23 2025-02-21 瑞典商都比國際公司 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合
PL3707706T3 (pl) * 2017-11-10 2021-11-22 Nokia Technologies Oy Określanie kodowania przestrzennego parametrów dźwięku i związane z tym dekodowanie
CN107918710B (zh) * 2017-11-22 2020-11-06 桂林电子科技大学 基于凸优化的非下采样图滤波器组的设计方法
TWI869186B (zh) 2018-01-26 2025-01-01 瑞典商都比國際公司 用於執行一音訊信號之高頻重建之方法、音訊處理單元及非暫時性電腦可讀媒體
CN108806705A (zh) * 2018-06-19 2018-11-13 合肥凌极西雅电子科技有限公司 音频处理方法和处理系统
US11195543B2 (en) 2019-03-22 2021-12-07 Clear Peaks LLC Systems, devices, and methods for synchronizing audio
CN113314132B (zh) * 2021-05-17 2022-05-17 武汉大学 交互式音频系统中的音频对象编码方法、解码方法及装置
EP4453931A1 (en) * 2021-12-20 2024-10-30 Dolby International AB Ivas spar filter bank in qmf domain
CN117292694B (zh) * 2023-11-22 2024-02-27 中国科学院自动化研究所 基于时不变编码的少令牌神经语音编解码方法和系统

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3211752C2 (de) 1982-03-30 1985-09-26 Siemens AG, 1000 Berlin und 8000 München Verfahren zum selektiven Abscheiden von aus Siliziden hochschmelzender Metalle bestehenden Schichtstrukturen auf im wesentlichen aus Silizium bestehenden Substraten und deren Verwendung
JPS621228A (ja) 1985-06-26 1987-01-07 Fujitsu Ltd タングステンシリサイドの選択成長方法
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 (ja) 1990-04-26 1992-01-14 Matsushita Electron Corp 半導体装置
JP2892451B2 (ja) 1990-07-13 1999-05-17 住友重機械工業株式会社 電気―空気サーボアクチュエータ
NL9100173A (nl) * 1991-02-01 1992-09-01 Philips Nv Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting.
US5392037A (en) * 1991-05-21 1995-02-21 Matsushita Electric Industrial Co., Ltd. Method and apparatus for encoding and decoding
JP2778324B2 (ja) * 1992-01-24 1998-07-23 日本電気株式会社 サブバンド分割方式
JPH05235701A (ja) * 1992-02-25 1993-09-10 Nippon Steel Corp 環状畳み込みによるディジタルフィルタバンク処理方法及び装置
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 (ko) * 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 부호화/복호화 방법및 장치
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
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 (ko) * 1998-05-06 2005-12-21 삼성전자 주식회사 실시간 복호화를 위한 무손실 부호화 및 복호화 시스템
SE9903553D0 (sv) * 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)
US6978236B1 (en) * 1999-10-01 2005-12-20 Coding Technologies Ab Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
US7260523B2 (en) * 1999-12-21 2007-08-21 Texas Instruments Incorporated Sub-band speech coding system
SE0001926D0 (sv) * 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
JP2001339311A (ja) * 2000-05-26 2001-12-07 Yamaha Corp オーディオ信号圧縮回路および伸長回路
US6996198B2 (en) * 2000-10-27 2006-02-07 At&T Corp. Nonuniform oversampled filter banks for audio signal processing
PT1423847E (pt) * 2001-11-29 2005-05-31 Coding Tech Ab Reconstrucao de componentes de frequencia elevada
CN1748247B (zh) * 2003-02-11 2011-06-15 皇家飞利浦电子股份有限公司 音频编码

Also Published As

Publication number Publication date
BRPI0415951B1 (pt) 2018-08-28
BR122018007834B1 (pt) 2019-03-19
CN101540171A (zh) 2009-09-23
DE602004004818T2 (de) 2007-12-06
JP2011128649A (ja) 2011-06-30
US7519538B2 (en) 2009-04-14
BRPI0415951A8 (pt) 2018-05-02
ATE354160T1 (de) 2007-03-15
RU2374703C2 (ru) 2009-11-27
JP5335015B2 (ja) 2013-11-06
KR20110113765A (ko) 2011-10-18
CN1875402B (zh) 2012-03-21
EP1683133B1 (en) 2007-02-14
US20090216544A1 (en) 2009-08-27
US20070067162A1 (en) 2007-03-22
CN1875402A (zh) 2006-12-06
US20110178810A1 (en) 2011-07-21
US8260607B2 (en) 2012-09-04
BRPI0415951A (pt) 2007-01-02
KR101106026B1 (ko) 2012-01-17
KR101217649B1 (ko) 2013-01-02
JP5192424B2 (ja) 2013-05-08
CN101540171B (zh) 2013-11-06
RU2006118682A (ru) 2007-12-10
EP1683133A1 (en) 2006-07-26
JP2009163257A (ja) 2009-07-23
JP5889828B2 (ja) 2016-03-22
WO2005043511A1 (en) 2005-05-12
JP2007514962A (ja) 2007-06-07
ES2282899T3 (es) 2007-10-16
US8073685B2 (en) 2011-12-06
DE602004004818D1 (de) 2007-03-29
JP4966013B2 (ja) 2012-07-04
KR20060131745A (ko) 2006-12-20
JP2013167908A (ja) 2013-08-29

Similar Documents

Publication Publication Date Title
PL1683133T3 (pl) Kodowanie lub dekodowanie sygnału audio
ATE518313T1 (de) Optimierte verlässlichkeit und reduzierte signalgebung in der mulitkanal-audiokodierung
TW200603653A (en) Frequency-based coding of channels in parametric multi-channel coding systems
EP0797324B1 (en) Enhanced joint stereo coding method using temporal envelope shaping
US8577686B2 (en) Method and apparatus for decoding an audio signal
KR101021079B1 (ko) 파라메트릭 다채널 오디오 표현
ATE339759T1 (de) Audiocodierung
WO2006026161A3 (en) Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering
WO1999004498A3 (en) Method and apparatus for encoding and decoding multiple audio channels at low bit rates
WO2005093717A8 (en) Synthesizing a mono audio signal based on an encoded miltichannel audio signal
PL1735775T3 (pl) Sposób prezentowania wielokanałowych sygnałów audio
WO2007008004A3 (en) Apparatus and method of encoding and decoding audio signal
WO2002032186A3 (en) Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio
WO2007093726A3 (fr) Dispositif de ponderation perceptuelle en codage/decodage audio
ATE239291T1 (de) Skalierbares kodierungsverfahren für hochqualitätsaudio
ATE511179T1 (de) Hierarchischen audio-kodierung/-dekodierung
ATE474310T1 (de) Mehrkanalige audio-erweiterung
TW200746871A (en) Decoding of binaural audio signals
AU2003212592A1 (en) Coding of stereo signals
TW200701822A (en) Multi-channel hierarchical audio coding with compact side-information
ATE543343T1 (de) Tonsignalverarbeitung
US20150088530A1 (en) Method and Apparatus for Decoding an Audio Signal
CN109410966A (zh) 音频编码器和解码器
WO2008132850A1 (ja) ステレオ音声符号化装置、ステレオ音声復号装置、およびこれらの方法
TWI501220B (zh) 嵌入與擷取輔助資料