DE602005006777D1 - Mehrkanal-codierer - Google Patents

Mehrkanal-codierer

Info

Publication number
DE602005006777D1
DE602005006777D1 DE602005006777T DE602005006777T DE602005006777D1 DE 602005006777 D1 DE602005006777 D1 DE 602005006777D1 DE 602005006777 T DE602005006777 T DE 602005006777T DE 602005006777 T DE602005006777 T DE 602005006777T DE 602005006777 D1 DE602005006777 D1 DE 602005006777D1
Authority
DE
Germany
Prior art keywords
channels
encoder
input signals
input
generate
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
DE602005006777T
Other languages
English (en)
Inventor
Dirk J Breebaart
Erik G Schuijers
Gerard H Hotho
Loon Machiel W Van
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602005006777D1 publication Critical patent/DE602005006777D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
DE602005006777T 2004-04-05 2005-03-25 Mehrkanal-codierer Active DE602005006777D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04101405 2004-04-05
EP04102863 2004-06-22
PCT/IB2005/051037 WO2005098821A2 (en) 2004-04-05 2005-03-25 Multi-channel encoder

Publications (1)

Publication Number Publication Date
DE602005006777D1 true DE602005006777D1 (de) 2008-06-26

Family

ID=34962299

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005006777T Active DE602005006777D1 (de) 2004-04-05 2005-03-25 Mehrkanal-codierer

Country Status (14)

Country Link
US (1) US7602922B2 (de)
EP (1) EP1735774B1 (de)
JP (2) JP5032977B2 (de)
KR (1) KR101158698B1 (de)
CN (1) CN102122509B (de)
AT (1) ATE395686T1 (de)
BR (1) BRPI0509113B8 (de)
DE (1) DE602005006777D1 (de)
ES (1) ES2307160T3 (de)
MX (1) MXPA06011361A (de)
PL (1) PL1735774T3 (de)
RU (1) RU2390857C2 (de)
TW (1) TWI393119B (de)
WO (1) WO2005098821A2 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
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
US9992599B2 (en) 2004-04-05 2018-06-05 Koninklijke Philips N.V. Method, device, encoder apparatus, decoder apparatus and audio system
WO2006008697A1 (en) * 2004-07-14 2006-01-26 Koninklijke Philips Electronics N.V. Audio channel conversion
EP1858006B1 (de) * 2005-03-25 2017-01-25 Panasonic Intellectual Property Corporation of America Toncodierungseinrichtung und toncodierungsverfahren
US7761289B2 (en) * 2005-10-24 2010-07-20 Lg Electronics Inc. Removing time delays in signal paths
KR100888474B1 (ko) 2005-11-21 2009-03-12 삼성전자주식회사 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법
TWI333643B (en) * 2006-01-18 2010-11-21 Lg Electronics Inc Apparatus and method for encoding and decoding signal
US7831434B2 (en) 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
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
ES2391116T3 (es) 2006-02-23 2012-11-21 Lg Electronics Inc. Método y aparato para procesar una señal de audio
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8554551B2 (en) 2008-01-28 2013-10-08 Qualcomm Incorporated Systems, methods, and apparatus for context replacement by audio level
EP2293292B1 (de) * 2008-06-19 2013-06-05 Panasonic Corporation Vorrichtung zur Quantisierung, Verfahren zur Quantisierung und Vorrichtung zur Codierung
KR101428487B1 (ko) * 2008-07-11 2014-08-08 삼성전자주식회사 멀티 채널 부호화 및 복호화 방법 및 장치
EP2169665B1 (de) 2008-09-25 2018-05-02 LG Electronics Inc. Verfahren und Vorrichtung zur Verarbeitung eines Signals
US8346380B2 (en) * 2008-09-25 2013-01-01 Lg Electronics Inc. Method and an apparatus for processing a signal
WO2010036059A2 (en) * 2008-09-25 2010-04-01 Lg Electronics Inc. A method and an apparatus for processing a signal
KR101108060B1 (ko) * 2008-09-25 2012-01-25 엘지전자 주식회사 신호 처리 방법 및 이의 장치
US9330671B2 (en) * 2008-10-10 2016-05-03 Telefonaktiebolaget L M Ericsson (Publ) Energy conservative multi-channel audio coding
JP5163545B2 (ja) 2009-03-05 2013-03-13 富士通株式会社 オーディオ復号装置及びオーディオ復号方法
US8000485B2 (en) * 2009-06-01 2011-08-16 Dts, Inc. Virtual audio processing for loudspeaker or headphone playback
KR101710113B1 (ko) * 2009-10-23 2017-02-27 삼성전자주식회사 위상 정보와 잔여 신호를 이용한 부호화／복호화 장치 및 방법
EP2323130A1 (de) 2009-11-12 2011-05-18 Koninklijke Philips Electronics N.V. Parametrische Kodierung- und Dekodierung
US8942989B2 (en) 2009-12-28 2015-01-27 Panasonic Intellectual Property Corporation Of America Speech coding of principal-component channels for deleting redundant inter-channel parameters
EP2369861B1 (de) * 2010-03-25 2016-07-27 Nxp B.V. Verarbeitung eines Mehrkanal-Audiosignals
JP5604933B2 (ja) * 2010-03-30 2014-10-15 富士通株式会社 ダウンミクス装置およびダウンミクス方法
SG2014006738A (en) 2010-08-25 2014-03-28 Fraunhofer Ges Forschung An apparatus for encoding an audio signal having a plurality of channels
EP2612321B1 (de) 2010-09-28 2016-01-06 Huawei Technologies Co., Ltd. Vorrichtung und verfahren zur nachbearbeitung decodierter mehrkanal-tonsignale oder decodierter stereosignale
KR20120132342A (ko) * 2011-05-25 2012-12-05 삼성전자주식회사 보컬 신호 제거 장치 및 방법
EP2870603B1 (de) * 2012-07-09 2020-09-30 Koninklijke Philips N.V. Codierung und decodierung von audiosignalen
US9288603B2 (en) 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
US9473870B2 (en) 2012-07-16 2016-10-18 Qualcomm Incorporated Loudspeaker position compensation with 3D-audio hierarchical coding
KR20140016780A (ko) * 2012-07-31 2014-02-10 인텔렉추얼디스커버리 주식회사 오디오 신호 처리 방법 및 장치
CN105612766B (zh) 2013-07-22 2018-07-27 弗劳恩霍夫应用研究促进协会 使用渲染音频信号的解相关的多声道音频解码器、多声道音频编码器、方法、以及计算机可读介质
EP2830333A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mehrkanaliger Dekorrelator, mehrkanaliger Audiodecodierer, mehrkanaliger Audiocodierer, Verfahren und Computerprogramm mit Vormischung von Dekorrelatoreingangssignalen
EP2866227A1 (de) * 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Dekodierung und Kodierung einer Downmix-Matrix, Verfahren zur Darstellung von Audioinhalt, Kodierer und Dekodierer für eine Downmix-Matrix, Audiokodierer und Audiodekodierer
KR102063790B1 (ko) * 2014-09-24 2020-01-09 한국전자통신연구원 데이터 전송을 위한 도선의 수를 감소시키기 위한 데이터 전송 장치 및 그 방법
CN105897738B (zh) * 2016-05-20 2017-02-22 电子科技大学 一种用于多信道环境的实时流编码方法
EP3539127B1 (de) * 2016-11-08 2020-09-02 Fraunhofer Gesellschaft zur Förderung der Angewand Abwärtsmischer und verfahren zur abwärtsmischung von mindestens zwei kanälen sowie mehrkanalcodierer und mehrkanaldecodierer
KR102615903B1 (ko) 2017-04-28 2023-12-19 디티에스, 인코포레이티드 오디오 코더 윈도우 및 변환 구현들
CN108009347B (zh) * 2017-11-30 2021-06-22 南京理工大学 基于同步压缩联合改进广义s变换的时频分析方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2087522T3 (es) * 1991-01-08 1996-07-16 Dolby Lab Licensing Corp Descodificacion/codificacion para campos sonoros multidimensionales.
US5982903A (en) * 1995-09-26 1999-11-09 Nippon Telegraph And Telephone Corporation Method for construction of transfer function table for virtual sound localization, memory with the transfer function table recorded therein, and acoustic signal editing scheme using the transfer function table
US5857026A (en) * 1996-03-26 1999-01-05 Scheiber; Peter Space-mapping sound system
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
CA2323014C (en) * 1999-01-07 2008-07-22 Koninklijke Philips Electronics N.V. Efficient coding of side information in a lossless encoder
US6539357B1 (en) * 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
US6480984B1 (en) * 1999-06-23 2002-11-12 Agere Systems Inc. Rate (M/N) code encoder, detector, and decoder for control data
US6208699B1 (en) * 1999-09-01 2001-03-27 Qualcomm Incorporated Method and apparatus for detecting zero rate frames in a communications system
US6970567B1 (en) * 1999-12-03 2005-11-29 Dolby Laboratories Licensing Corporation Method and apparatus for deriving at least one audio signal from two or more input audio signals
US6584438B1 (en) * 2000-04-24 2003-06-24 Qualcomm Incorporated Frame erasure compensation method in a variable rate speech coder
JP2002175097A (ja) * 2000-12-06 2002-06-21 Yamaha Corp 音声信号のエンコード／圧縮装置およびデコード／伸長装置
TW511340B (en) * 2000-12-12 2002-11-21 Elan Microelectronics Corp Method and system for data loss detection and recovery in wireless communication
US20030014579A1 (en) * 2001-07-11 2003-01-16 Motorola, Inc Communication controller and method of transforming information
WO2003007480A1 (fr) * 2001-07-13 2003-01-23 Matsushita Electric Industrial Co., Ltd. Dispositif de decodage de signaux audio et dispositif de codage de signaux audio
RU2363116C2 (ru) * 2002-07-12 2009-07-27 Конинклейке Филипс Электроникс Н.В. Аудиокодирование
JP3778358B2 (ja) * 2003-05-01 2006-05-24 日本電信電話株式会社 音源分離方法、その装置及びプログラム
US7447317B2 (en) * 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
US7805313B2 (en) * 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
KR101315077B1 (ko) * 2005-03-30 2013-10-08 코닌클리케 필립스 일렉트로닉스 엔.브이. 멀티-채널 오디오 데이터를 인코딩 및 디코딩하기 위한 방법, 및 인코더들 및 디코더들

Also Published As

Publication number Publication date
BRPI0509113B1 (pt) 2018-08-14
KR20070001208A (ko) 2007-01-03
TWI393119B (zh) 2013-04-11
WO2005098821A3 (en) 2006-03-16
RU2006139048A (ru) 2008-05-20
JP5311597B2 (ja) 2013-10-09
MXPA06011361A (es) 2007-01-16
KR101158698B1 (ko) 2012-06-22
CN102122509B (zh) 2016-03-23
EP1735774A2 (de) 2006-12-27
US7602922B2 (en) 2009-10-13
BRPI0509113B8 (pt) 2018-10-30
ES2307160T3 (es) 2008-11-16
TW200614150A (en) 2006-05-01
RU2390857C2 (ru) 2010-05-27
PL1735774T3 (pl) 2008-11-28
ATE395686T1 (de) 2008-05-15
WO2005098821A2 (en) 2005-10-20
EP1735774B1 (de) 2008-05-14
JP2012191625A (ja) 2012-10-04
US20070194952A1 (en) 2007-08-23
JP2007531913A (ja) 2007-11-08
JP5032977B2 (ja) 2012-09-26
CN102122509A (zh) 2011-07-13
BRPI0509113A (pt) 2007-08-28

Similar Documents

Publication Publication Date Title
DE602005006777D1 (de) Mehrkanal-codierer
ATE350879T1 (de) Kompatible mehrkanal-codierung/-decodierung
DE602007012730D1 (de) Kodierung und dekodierung von audio-objekten
TW200612392A (en) Multi-channel encoder
KR101227932B1 (ko) 다채널 멀티트랙 오디오 시스템 및 오디오 처리 방법
ATE339759T1 (de) Audiocodierung
US20080052089A1 (en) Acoustic Signal Encoding Device and Acoustic Signal Decoding Device
ATE315823T1 (de) Parametrische audiocodierung
ATE473502T1 (de) Mehrkanal-audiocodierung
US9570082B2 (en) Method, medium, and apparatus encoding and/or decoding multichannel audio signals
WO2006060280A3 (en) Parametric coding of spatial audio with cues based on transmitted channels
WO2006126855A3 (en) Method and apparatus for decoding audio signal
PL1866911T3 (pl) Skalowalne, wielokanałowe kodowanie dźwięku
ATE511690T1 (de) Akustisches kommunikationssystem
ATE441293T1 (de) Bass-management-systeme
ATE459957T1 (de) Kodierung und dekodierung für mehrkanalige signale
ZA200604623B (en) Optimized multiple coding method
ATE447755T1 (de) Kontinuierliche audiodatensicherung
US8825495B2 (en) Acoustic signal processing system, acoustic signal decoding apparatus, processing method in the system and apparatus, and program
EP3120346B1 (de) Restcodierung in einem objektbasierten audiosystem
KR101434834B1 (ko) 다채널 오디오 신호의 부호화/복호화 방법 및 장치
WO2009047675A3 (en) Encoding and decoding of an audio signal
KR20070108314A (ko) 오디오 신호의 인코딩/디코딩 방법 및 장치
KR20080002674A (ko) 신호 처리 방법 및 장치

Legal Events

Date Code Title Description
8364 No opposition during term of opposition