CN101406073B - 用于多声道音频重构中的信号成形的增强的方法 - Google Patents

用于多声道音频重构中的信号成形的增强的方法 Download PDF

Info

Publication number
CN101406073B
CN101406073B CN200680054008XA CN200680054008A CN101406073B CN 101406073 B CN101406073 B CN 101406073B CN 200680054008X A CN200680054008X A CN 200680054008XA CN 200680054008 A CN200680054008 A CN 200680054008A CN 101406073 B CN101406073 B CN 101406073B
Authority
CN
China
Prior art keywords
channel
time
signal component
signal
information
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN200680054008XA
Other languages
English (en)
Chinese (zh)
Other versions
CN101406073A (zh
Inventor
萨沙·迪施
卡斯滕·林茨迈尔
于尔根·赫勒
哈拉尔德·波普
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Publication of CN101406073A publication Critical patent/CN101406073A/zh
Application granted granted Critical
Publication of CN101406073B publication Critical patent/CN101406073B/zh
Anticipated expiration legal-status Critical
Active legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
    • H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
CN200680054008XA 2006-03-28 2006-05-18 用于多声道音频重构中的信号成形的增强的方法 Active CN101406073B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US78709606P 2006-03-28 2006-03-28
US60/787,096 2006-03-28
PCT/EP2006/004732 WO2007110101A1 (en) 2006-03-28 2006-05-18 Enhanced method for signal shaping in multi-channel audio reconstruction

Publications (2)

Publication Number Publication Date
CN101406073A CN101406073A (zh) 2009-04-08
CN101406073B true CN101406073B (zh) 2013-01-09

Family

ID=36649469

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200680054008XA Active CN101406073B (zh) 2006-03-28 2006-05-18 用于多声道音频重构中的信号成形的增强的方法

Country Status (20)

Country Link
US (1) US8116459B2 (https=)
EP (1) EP1999997B1 (https=)
JP (1) JP5222279B2 (https=)
KR (1) KR101001835B1 (https=)
CN (1) CN101406073B (https=)
AT (1) ATE505912T1 (https=)
AU (1) AU2006340728B2 (https=)
BR (1) BRPI0621499B1 (https=)
CA (1) CA2646961C (https=)
DE (1) DE602006021347D1 (https=)
ES (1) ES2362920T3 (https=)
IL (1) IL194064A (https=)
MX (1) MX2008012324A (https=)
MY (1) MY143234A (https=)
NO (1) NO339914B1 (https=)
PL (1) PL1999997T3 (https=)
RU (1) RU2393646C1 (https=)
TW (1) TWI314024B (https=)
WO (1) WO2007110101A1 (https=)
ZA (1) ZA200809187B (https=)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7983922B2 (en) * 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
WO2006126844A2 (en) * 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding an audio signal
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
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
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
WO2007083952A1 (en) * 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
KR100902899B1 (ko) 2006-02-07 2009-06-15 엘지전자 주식회사 부호화/복호화 장치 및 방법
EP1999997B1 (en) 2006-03-28 2011-04-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Enhanced method for signal shaping in multi-channel audio reconstruction
MX2008012315A (es) * 2006-09-29 2008-10-10 Lg Electronics Inc Metodos y aparatos para codificar y descodificar señales de audio basados en objeto.
US8571875B2 (en) * 2006-10-18 2013-10-29 Samsung Electronics Co., Ltd. Method, medium, and apparatus encoding and/or decoding multichannel audio signals
FR2911020B1 (fr) * 2006-12-28 2009-05-01 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
FR2911031B1 (fr) * 2006-12-28 2009-04-10 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
EP2238589B1 (en) * 2007-12-09 2017-10-25 LG Electronics Inc. A method and an apparatus for processing a signal
WO2009093867A2 (en) 2008-01-23 2009-07-30 Lg Electronics Inc. A method and an apparatus for processing audio signal
CN101662688B (zh) * 2008-08-13 2012-10-03 韩国电子通信研究院 音频信号的编码和解码方法及其装置
KR101392546B1 (ko) * 2008-09-11 2014-05-08 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 마이크로폰 신호를 기반으로 공간 큐의 세트를 제공하는 장치, 방법 및 컴퓨터 프로그램과, 2채널 오디오 신호 및 공간 큐의 세트를 제공하는 장치
MX2011006186A (es) * 2008-12-11 2011-08-04 Ten Forschung Ev Fraunhofer Aparato para generar una señal de audio multicanal.
JP5932337B2 (ja) * 2008-12-22 2016-06-08 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 遠隔端通話者信号と複合信号との間の音響カップリングの特定
WO2010149700A1 (en) * 2009-06-24 2010-12-29 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages
EP2522016A4 (en) * 2010-01-06 2015-04-22 Lg Electronics Inc DEVICE FOR PROCESSING AN AUDIO SIGNAL AND METHOD THEREFOR
EP2360681A1 (en) * 2010-01-15 2011-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
CN102859590B (zh) * 2010-02-24 2015-08-19 弗劳恩霍夫应用研究促进协会 产生增强下混频信号的装置、产生增强下混频信号的方法以及计算机程序
EP2369861B1 (en) * 2010-03-25 2016-07-27 Nxp B.V. Multi-channel audio signal processing
KR102033071B1 (ko) * 2010-08-17 2019-10-16 한국전자통신연구원 멀티 채널 오디오 호환 시스템 및 방법
EP4645307B1 (en) 2010-08-25 2026-04-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus for encoding an audio signal having a plurality of channels
EP2612321B1 (en) 2010-09-28 2016-01-06 Huawei Technologies Co., Ltd. Device and method for postprocessing decoded multi-channel audio signal or decoded stereo signal
US9078077B2 (en) 2010-10-21 2015-07-07 Bose Corporation Estimation of synthetic audio prototypes with frequency-based input signal decomposition
US8675881B2 (en) * 2010-10-21 2014-03-18 Bose Corporation Estimation of synthetic audio prototypes
KR101227932B1 (ko) * 2011-01-14 2013-01-30 전자부품연구원 다채널 멀티트랙 오디오 시스템 및 오디오 처리 방법
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
US9311923B2 (en) * 2011-05-19 2016-04-12 Dolby Laboratories Licensing Corporation Adaptive audio processing based on forensic detection of media processing history
JP5895050B2 (ja) * 2011-06-24 2016-03-30 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 符号化された多チャンネルオーディオ信号を処理するオーディオ信号プロセッサ及びその方法
KR101842257B1 (ko) * 2011-09-14 2018-05-15 삼성전자주식회사 신호 처리 방법, 그에 따른 엔코딩 장치, 및 그에 따른 디코딩 장치
SG10201608613QA (en) * 2013-01-29 2016-12-29 Fraunhofer Ges Forschung Decoder For Generating A Frequency Enhanced Audio Signal, Method Of Decoding, Encoder For Generating An Encoded Signal And Method Of Encoding Using Compact Selection Side Information
US9830917B2 (en) 2013-02-14 2017-11-28 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
TWI618051B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置
EP2956935B1 (en) 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備
BR112015030672B1 (pt) * 2013-06-10 2021-02-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V aparelho e método de codificação, processamento e decodificação de envelope de sinal de áudio por divisão do envelope de sinal de áudio empregando codificação e quantização de distribuição
SG11201510162WA (en) 2013-06-10 2016-01-28 Fraunhofer Ges Forschung Apparatus and method for audio signal envelope encoding, processing and decoding by modelling a cumulative sum representation employing distribution quantization and coding
EP2830046A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding an encoded audio signal to obtain modified output signals
EP2830334A1 (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, computer program and encoded audio representation using a decorrelation of rendered audio signals
SG11201600466PA (en) * 2013-07-22 2016-02-26 Fraunhofer Ges Forschung Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
ES2641580T3 (es) 2013-10-03 2017-11-10 Dolby Laboratories Licensing Corporation Generación de señal difusa adaptativa en un mezclador ascendente
KR102244379B1 (ko) 2013-10-21 2021-04-26 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
JP6396452B2 (ja) 2013-10-21 2018-09-26 ドルビー・インターナショナル・アーベー オーディオ・エンコーダおよびデコーダ
JP6035270B2 (ja) * 2014-03-24 2016-11-30 株式会社Ｎｔｔドコモ 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム
EP2980794A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
UA120372C2 (uk) * 2014-10-02 2019-11-25 Долбі Інтернешнл Аб Спосіб декодування і декодер для посилення діалогу
ES2771200T3 (es) 2016-02-17 2020-07-06 Fraunhofer Ges Forschung Postprocesador, preprocesador, codificador de audio, decodificador de audio y métodos relacionados para mejorar el procesamiento de transitorios
EP3335218B1 (en) * 2016-03-16 2019-06-05 Huawei Technologies Co., Ltd. An audio signal processing apparatus and method for processing an input audio signal
CN110998722B (zh) 2017-07-03 2023-11-10 杜比国际公司 低复杂性密集瞬态事件检测和译码
CN110246508B (zh) * 2019-06-14 2021-08-31 腾讯音乐娱乐科技（深圳）有限公司 一种信号调制方法、装置和存储介质
JP7657579B2 (ja) * 2020-12-08 2025-04-07 株式会社タムラ製作所 音声信号処理装置、音声信号処理プログラム

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004097794A2 (en) * 2003-04-30 2004-11-11 Coding Technologies Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4217276C1 (https=) * 1992-05-25 1993-04-08 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
DE4236989C2 (de) 1992-11-02 1994-11-17 Fraunhofer Ges Forschung Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle
US5794180A (en) 1996-04-30 1998-08-11 Texas Instruments Incorporated Signal quantizer wherein average level replaces subframe steady-state levels
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
DE19747132C2 (de) * 1997-10-24 2002-11-28 Fraunhofer Ges Forschung Verfahren und Vorrichtungen zum Codieren von Audiosignalen sowie Verfahren und Vorrichtungen zum Decodieren eines Bitstroms
KR100335609B1 (ko) * 1997-11-20 2002-10-04 삼성전자 주식회사 비트율조절이가능한오디오부호화/복호화방법및장치
US7644003B2 (en) 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7292901B2 (en) * 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
TW569551B (en) 2001-09-25 2004-01-01 Roger Wallace Dressler Method and apparatus for multichannel logic matrix decoding
US7039204B2 (en) * 2002-06-24 2006-05-02 Agere Systems Inc. Equalization for audio mixing
ATE390683T1 (de) 2004-03-01 2008-04-15 Dolby Lab Licensing Corp Mehrkanalige audiocodierung
TWI393120B (zh) * 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 用於音訊信號編碼及解碼之方法和系統、音訊信號編碼器、音訊信號解碼器、攜帶有位元流之電腦可讀取媒體、及儲存於電腦可讀取媒體上的電腦程式
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
SE0402649D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
EP1829424B1 (en) * 2005-04-15 2009-01-21 Dolby Sweden AB Temporal envelope shaping of decorrelated signals
EP1999997B1 (en) 2006-03-28 2011-04-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Enhanced method for signal shaping in multi-channel audio reconstruction

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004097794A2 (en) * 2003-04-30 2004-11-11 Coding Technologies Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods

Also Published As

Publication number Publication date
EP1999997B1 (en) 2011-04-13
KR20080107446A (ko) 2008-12-10
US20070236858A1 (en) 2007-10-11
US8116459B2 (en) 2012-02-14
PL1999997T3 (pl) 2011-09-30
ZA200809187B (en) 2009-11-25
CN101406073A (zh) 2009-04-08
JP5222279B2 (ja) 2013-06-26
TWI314024B (en) 2009-08-21
NO20084409L (no) 2008-10-21
HK1120699A1 (en) 2009-04-03
CA2646961C (en) 2013-09-03
BRPI0621499B1 (pt) 2022-04-12
RU2393646C1 (ru) 2010-06-27
RU2008142565A (ru) 2010-05-10
NO339914B1 (no) 2017-02-13
ES2362920T3 (es) 2011-07-15
EP1999997A1 (en) 2008-12-10
DE602006021347D1 (de) 2011-05-26
CA2646961A1 (en) 2007-10-04
TW200738037A (en) 2007-10-01
IL194064A (en) 2014-08-31
BRPI0621499A2 (pt) 2011-12-13
MX2008012324A (es) 2008-10-10
AU2006340728A1 (en) 2007-10-04
AU2006340728B2 (en) 2010-08-19
MY143234A (en) 2011-04-15
ATE505912T1 (de) 2011-04-15
WO2007110101A1 (en) 2007-10-04
JP2009531724A (ja) 2009-09-03
KR101001835B1 (ko) 2010-12-15

Similar Documents

Publication Publication Date Title
CN101406073B (zh) 用于多声道音频重构中的信号成形的增强的方法
CN102163429B (zh) 用于处理去相干信号或组合信号的设备和方法
US9401151B2 (en) Parametric encoder for encoding a multi-channel audio signal
RU2388068C2 (ru) Временное и пространственное генерирование многоканальных аудиосигналов
JP5189979B2 (ja) 聴覚事象の関数としての空間的オーディオコーディングパラメータの制御
CN101406074B (zh) 解码器及相应方法、双耳解码器、包括该解码器的接收机或音频播放器及相应方法
HK1120699B (en) Enhanced method for signal shaping in multi-channel audio reconstruction
CN104205211B (zh) 多声道音频编码器以及用于对多声道音频信号进行编码的方法
HK1160980B (en) Apparatus and method for processing a decorrelated signal or a combination signal
CN104205211A (zh) 多声道音频编码器以及用于对多声道音频信号进行编码的方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant