JP4772279B2 - オーディオ信号のマルチチャネル／キュー符号化／復号化 - Google Patents

オーディオ信号のマルチチャネル／キュー符号化／復号化 Download PDF

Info

Publication number
JP4772279B2
JP4772279B2 JP2003179070A JP2003179070A JP4772279B2 JP 4772279 B2 JP4772279 B2 JP 4772279B2 JP 2003179070 A JP2003179070 A JP 2003179070A JP 2003179070 A JP2003179070 A JP 2003179070A JP 4772279 B2 JP4772279 B2 JP 4772279B2
Authority
JP
Japan
Prior art keywords
spectral components
frequency
spectral
specified threshold
mixed
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.)
Expired - Lifetime
Application number
JP2003179070A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004078183A5 (cg-RX-API-DMAC10.html
JP2004078183A (ja
Inventor
バウムガーテ フランク
クローン ピーター
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.)
Agere Systems LLC
Original Assignee
Agere Systems LLC
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 Agere Systems LLC filed Critical Agere Systems LLC
Publication of JP2004078183A publication Critical patent/JP2004078183A/ja
Publication of JP2004078183A5 publication Critical patent/JP2004078183A5/ja
Application granted granted Critical
Publication of JP4772279B2 publication Critical patent/JP4772279B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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 
    • 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 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • 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
    • G10L15/00—Speech recognition
    • G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
    • 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
    • G10L19/0212—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 orthogonal transformation
    • 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)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2003179070A 2002-06-24 2003-06-24 オーディオ信号のマルチチャネル／キュー符号化／復号化 Expired - Lifetime JP4772279B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US39109502P 2002-06-24 2002-06-24
US60/391095 2002-06-24
US10/246570 2002-09-18
US10/246,570 US7292901B2 (en) 2002-06-24 2002-09-18 Hybrid multi-channel/cue coding/decoding of audio signals

Publications (3)

Publication Number Publication Date
JP2004078183A JP2004078183A (ja) 2004-03-11
JP2004078183A5 JP2004078183A5 (cg-RX-API-DMAC10.html) 2007-03-01
JP4772279B2 true JP4772279B2 (ja) 2011-09-14

Family

ID=29718509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003179070A Expired - Lifetime JP4772279B2 (ja) 2002-06-24 2003-06-24 オーディオ信号のマルチチャネル／キュー符号化／復号化

Country Status (3)

Country Link
US (1) US7292901B2 (cg-RX-API-DMAC10.html)
EP (1) EP1376538B1 (cg-RX-API-DMAC10.html)
JP (1) JP4772279B2 (cg-RX-API-DMAC10.html)

Families Citing this family (159)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7711123B2 (en) * 2001-04-13 2010-05-04 Dolby Laboratories Licensing Corporation Segmenting audio signals into auditory events
US7006636B2 (en) 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
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
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
US7116787B2 (en) 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
US7542896B2 (en) * 2002-07-16 2009-06-02 Koninklijke Philips Electronics N.V. Audio coding/decoding with spatial parameters and non-uniform segmentation for transients
US7046999B2 (en) * 2003-05-30 2006-05-16 Nasaco Electronics (Hong Kong) Ltd. Half-duplex wireless audio communication system
JP4137706B2 (ja) * 2003-06-06 2008-08-20 三菱電機株式会社 音声データ処理回路および音声データ処理方法
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
EP1719115A1 (en) * 2004-02-17 2006-11-08 Koninklijke Philips Electronics N.V. Parametric multi-channel coding with improved backwards compatibility
DE102004009628A1 (de) * 2004-02-27 2005-10-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Beschreiben einer Audio-CD und Audio-CD
US20090299756A1 (en) * 2004-03-01 2009-12-03 Dolby Laboratories Licensing Corporation Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners
JP4867914B2 (ja) * 2004-03-01 2012-02-01 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 マルチチャンネルオーディオコーディング
US7805313B2 (en) * 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
KR100923478B1 (ko) * 2004-03-12 2009-10-27 노키아 코포레이션 부호화된 다중채널 오디오 신호에 기반하여 모노 오디오신호를 합성하는 방법 및 장치
CN1926610B (zh) * 2004-03-12 2010-10-06 诺基亚公司 合成单声道音频信号的方法、音频解码器和编码系统
US9992599B2 (en) * 2004-04-05 2018-06-05 Koninklijke Philips N.V. Method, device, encoder apparatus, decoder apparatus and audio system
SE0400998D0 (sv) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
EP1768107B1 (en) * 2004-07-02 2016-03-09 Panasonic Intellectual Property Corporation of America Audio signal decoding device
KR100663729B1 (ko) 2004-07-09 2007-01-02 한국전자통신연구원 가상 음원 위치 정보를 이용한 멀티채널 오디오 신호부호화 및 복호화 방법 및 장치
WO2006006809A1 (en) * 2004-07-09 2006-01-19 Electronics And Telecommunications Research Institute Method and apparatus for encoding and cecoding multi-channel audio signal using virtual source location information
US7391870B2 (en) * 2004-07-09 2008-06-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V Apparatus and method for generating a multi-channel output signal
EP1769655B1 (en) 2004-07-14 2011-09-28 Koninklijke Philips Electronics N.V. Method, device, encoder apparatus, decoder apparatus and audio system
JP4989468B2 (ja) * 2004-07-14 2012-08-01 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオチャネル変換
TWI498882B (zh) * 2004-08-25 2015-09-01 Dolby Lab Licensing Corp 音訊解碼器
TWI393121B (zh) * 2004-08-25 2013-04-11 杜比實驗室特許公司 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式
DE602005016571D1 (de) * 2004-08-26 2009-10-22 Panasonic Corp Mehrkanalige signal-dekodierung
US7848931B2 (en) 2004-08-27 2010-12-07 Panasonic Corporation Audio encoder
WO2006022124A1 (ja) * 2004-08-27 2006-03-02 Matsushita Electric Industrial Co., Ltd. オーディオデコーダ、方法及びプログラム
RU2007107348A (ru) * 2004-08-31 2008-09-10 Мацусита Электрик Индастриал Ко., Лтд. (Jp) Устройство и способ генерирования стереосигнала
DE102004042819A1 (de) * 2004-09-03 2006-03-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines codierten Multikanalsignals und Vorrichtung und Verfahren zum Decodieren eines codierten Multikanalsignals
WO2006027717A1 (en) * 2004-09-06 2006-03-16 Koninklijke Philips Electronics N.V. Audio signal enhancement
DE102004043521A1 (de) 2004-09-08 2006-03-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Multikanalsignals oder eines Parameterdatensatzes
DE102004046746B4 (de) * 2004-09-27 2007-03-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Synchronisieren von Zusatzdaten und Basisdaten
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
US7720230B2 (en) * 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
US8204261B2 (en) * 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
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
SE0402650D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding of spatial audio
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
JP5017121B2 (ja) * 2004-11-30 2012-09-05 アギア システムズ インコーポレーテッド 外部的に供給されるダウンミックスとの空間オーディオのパラメトリック・コーディングの同期化
US7848932B2 (en) * 2004-11-30 2010-12-07 Panasonic Corporation Stereo encoding apparatus, stereo decoding apparatus, and their methods
EP1817767B1 (en) * 2004-11-30 2015-11-11 Agere Systems Inc. Parametric coding of spatial audio with object-based side information
KR100682904B1 (ko) 2004-12-01 2007-02-15 삼성전자주식회사 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법
EP2138999A1 (en) * 2004-12-28 2009-12-30 Panasonic Corporation Audio encoding device and audio encoding method
KR100731546B1 (ko) 2004-12-30 2007-06-22 한국전자통신연구원 다운믹스 오디오 신호로부터 분리되는 각 출력 채널의스펙트럼 보상 방법 및 장치
US7903824B2 (en) * 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
US7937272B2 (en) 2005-01-11 2011-05-03 Koninklijke Philips Electronics N.V. Scalable encoding/decoding of audio signals
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
US7573912B2 (en) * 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
EP1859439B1 (en) * 2005-03-14 2013-10-30 Electronics and Telecommunications Research Institute Multichannel audio compression and decompression method using virtual source location information
CN101151659B (zh) 2005-03-30 2014-02-05 皇家飞利浦电子股份有限公司 多通道音频编码器、设备、方法及其解码器、设备和方法
DE102005014477A1 (de) * 2005-03-30 2006-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Datenstroms und zum Erzeugen einer Multikanal-Darstellung
US7991610B2 (en) * 2005-04-13 2011-08-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Adaptive grouping of parameters for enhanced coding efficiency
US20060235683A1 (en) * 2005-04-13 2006-10-19 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Lossless encoding of information with guaranteed maximum bitrate
US7751572B2 (en) * 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
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
WO2006126856A2 (en) * 2005-05-26 2006-11-30 Lg Electronics Inc. Method of encoding and decoding an audio signal
EP1905002B1 (en) 2005-05-26 2013-05-22 LG Electronics Inc. Method and apparatus for decoding audio signal
AU2006255662B2 (en) * 2005-06-03 2012-08-23 Dolby Laboratories Licensing Corporation Apparatus and method for encoding audio signals with decoding instructions
EP1913576A2 (en) * 2005-06-30 2008-04-23 LG Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
JP2009500656A (ja) * 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 オーディオ信号をエンコーディング及びデコーディングするための装置とその方法
AU2006266579B2 (en) 2005-06-30 2009-10-22 Lg Electronics Inc. Method and apparatus for encoding and decoding an audio signal
KR100755471B1 (ko) * 2005-07-19 2007-09-05 한국전자통신연구원 가상음원위치정보에 기반한 채널간 크기 차이 양자화 및역양자화 방법
US20070055510A1 (en) 2005-07-19 2007-03-08 Johannes Hilpert Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding
TWI396188B (zh) 2005-08-02 2013-05-11 Dolby Lab Licensing Corp 依聆聽事件之函數控制空間音訊編碼參數的技術
US8577483B2 (en) * 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
JP5108768B2 (ja) * 2005-08-30 2012-12-26 エルジー エレクトロニクス インコーポレイティド オーディオ信号をエンコーディング及びデコーディングするための装置とその方法
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
MX2008002760A (es) * 2005-08-30 2008-04-07 Lg Electronics Inc Metodo para decodificar una senal de audio.
EP1912206B1 (en) 2005-08-31 2013-01-09 Panasonic Corporation Stereo encoding device, stereo decoding device, and stereo encoding method
US20080221907A1 (en) * 2005-09-14 2008-09-11 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
KR100857106B1 (ko) * 2005-09-14 2008-09-08 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
JP4512016B2 (ja) * 2005-09-16 2010-07-28 日本電信電話株式会社 ステレオ信号符号化装置、ステレオ信号符号化方法、プログラム及び記録媒体
US8319791B2 (en) * 2005-10-03 2012-11-27 Sharp Kabushiki Kaisha Display
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
US7672379B2 (en) * 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
KR100878828B1 (ko) 2005-10-05 2009-01-14 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
BRPI0616859A2 (pt) * 2005-10-05 2011-07-05 Lg Electronics Inc método e aparelho para processamento de sinais
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
US7742913B2 (en) 2005-10-24 2010-06-22 Lg Electronics Inc. Removing time delays in signal paths
US20070135952A1 (en) * 2005-12-06 2007-06-14 Dts, Inc. Audio channel extraction using inter-channel amplitude spectra
US7709577B2 (en) 2005-12-07 2010-05-04 Exxonmobil Chemical Patents Inc. Process of making polymer blends
DE602006016017D1 (de) * 2006-01-09 2010-09-16 Nokia Corp Steuerung der dekodierung binauraler audiosignale
KR100803212B1 (ko) 2006-01-11 2008-02-14 삼성전자주식회사 스케일러블 채널 복호화 방법 및 장치
KR101218776B1 (ko) * 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
US7752053B2 (en) 2006-01-13 2010-07-06 Lg Electronics Inc. Audio signal processing using pilot based coding
EP1974344A4 (en) * 2006-01-19 2011-06-08 Lg Electronics Inc METHOD AND APPARATUS FOR DECODING A SIGNAL
EP1979898B1 (en) * 2006-01-19 2014-08-06 Lg Electronics Inc. Method and apparatus for processing a media signal
RU2395854C2 (ru) * 2006-01-19 2010-07-27 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для обработки медиасигнала
KR100878816B1 (ko) 2006-02-07 2009-01-14 엘지전자 주식회사 부호화/복호화 장치 및 방법
US20090177479A1 (en) * 2006-02-09 2009-07-09 Lg Electronics Inc. Method for Encoding and Decoding Object-Based Audio Signal and Apparatus Thereof
WO2007097549A1 (en) 2006-02-23 2007-08-30 Lg Electronics Inc. Method and apparatus for processing an audio signal
KR100773562B1 (ko) 2006-03-06 2007-11-07 삼성전자주식회사 스테레오 신호 생성 방법 및 장치
KR100773560B1 (ko) 2006-03-06 2007-11-05 삼성전자주식회사 스테레오 신호 생성 방법 및 장치
CA2646961C (en) * 2006-03-28 2013-09-03 Sascha Disch Enhanced method for signal shaping in multi-channel audio reconstruction
RU2406262C2 (ru) * 2006-03-29 2010-12-10 Долби Свидн Аб Декодирование уменьшенного количества каналов
JP5154538B2 (ja) 2006-03-29 2013-02-27 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ復号
US7965848B2 (en) 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
EP1999745B1 (en) * 2006-03-30 2016-08-31 LG Electronics Inc. Apparatuses and methods for processing an audio signal
EP1853092B1 (en) * 2006-05-04 2011-10-05 LG Electronics, Inc. Enhancing stereo audio with remix capability
ES2380059T3 (es) * 2006-07-07 2012-05-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para combinar múltiples fuentes de audio codificadas paramétricamente
USRE50746E1 (en) 2006-07-07 2026-01-06 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Concept for combining multiple parametrically coded audio sources
KR100763919B1 (ko) * 2006-08-03 2007-10-05 삼성전자주식회사 멀티채널 신호를 모노 또는 스테레오 신호로 압축한 입력신호를 2 채널의 바이노럴 신호로 복호화하는 방법 및 장치
KR100763920B1 (ko) * 2006-08-09 2007-10-05 삼성전자주식회사 멀티채널 신호를 모노 또는 스테레오 신호로 압축한 입력신호를 2채널의 바이노럴 신호로 복호화하는 방법 및 장치
US7907579B2 (en) * 2006-08-15 2011-03-15 Cisco Technology, Inc. WiFi geolocation from carrier-managed system geolocation of a dual mode device
US20080235006A1 (en) * 2006-08-18 2008-09-25 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
US8607281B2 (en) 2006-09-07 2013-12-10 Porto Vinci Ltd. Limited Liability Company Control of data presentation in multiple zones using a wireless home entertainment hub
US9386269B2 (en) 2006-09-07 2016-07-05 Rateze Remote Mgmt Llc Presentation of data on multiple display devices using a wireless hub
US9319741B2 (en) 2006-09-07 2016-04-19 Rateze Remote Mgmt Llc Finding devices in an entertainment system
US9233301B2 (en) 2006-09-07 2016-01-12 Rateze Remote Mgmt Llc Control of data presentation from multiple sources using a wireless home entertainment hub
US8935733B2 (en) * 2006-09-07 2015-01-13 Porto Vinci Ltd. Limited Liability Company Data presentation using a wireless home entertainment hub
AU2007300813B2 (en) * 2006-09-29 2010-10-14 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
CN101652810B (zh) * 2006-09-29 2012-04-11 Lg电子株式会社 用于处理混合信号的装置及其方法
EP2084901B1 (en) 2006-10-12 2015-12-09 LG Electronics Inc. Apparatus for processing a mix signal and method thereof
KR100891670B1 (ko) 2006-10-13 2009-04-02 엘지전자 주식회사 신호 처리 방법 및 장치
WO2008046531A1 (en) 2006-10-16 2008-04-24 Dolby Sweden Ab Enhanced coding and parameter representation of multichannel downmixed object coding
MY144273A (en) 2006-10-16 2011-08-29 Fraunhofer Ges Forschung Apparatus and method for multi-chennel parameter transformation
KR101100221B1 (ko) * 2006-11-15 2011-12-28 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 그 장치
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
EP2122613B1 (en) * 2006-12-07 2019-01-30 LG Electronics Inc. A method and an apparatus for processing an audio signal
EP2102855A4 (en) 2006-12-07 2010-07-28 Lg Electronics Inc METHOD AND APPARATUS FOR DECODING AUDIO SIGNAL
WO2008100068A1 (en) * 2007-02-13 2008-08-21 Lg Electronics Inc. A method and an apparatus for processing an audio signal
US20100121470A1 (en) * 2007-02-13 2010-05-13 Lg Electronics Inc. Method and an apparatus for processing an audio signal
KR101464977B1 (ko) * 2007-10-01 2014-11-25 삼성전자주식회사 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치
JPWO2009050896A1 (ja) * 2007-10-16 2011-02-24 パナソニック株式会社 ストリーム合成装置、復号装置、方法
KR100971700B1 (ko) * 2007-11-07 2010-07-22 한국전자통신연구원 공간큐 기반의 바이노럴 스테레오 합성 장치 및 그 방법과,그를 이용한 바이노럴 스테레오 복호화 장치
KR20100086000A (ko) * 2007-12-18 2010-07-29 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
KR101452722B1 (ko) * 2008-02-19 2014-10-23 삼성전자주식회사 신호 부호화 및 복호화 방법 및 장치
JP5214058B2 (ja) * 2009-03-17 2013-06-19 ドルビー インターナショナル アーベー 適応的に選択可能な左／右又はミッド／サイド・ステレオ符号化及びパラメトリック・ステレオ符号化の組み合わせに基づいた高度ステレオ符号化
KR101388901B1 (ko) * 2009-06-24 2014-04-24 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 신호 디코더, 오디오 신호를 디코딩하는 방법 및 캐스케이드된 오디오 객체 처리 단계들을 이용한 컴퓨터 프로그램
WO2011020067A1 (en) * 2009-08-14 2011-02-17 Srs Labs, Inc. System for adaptively streaming audio objects
DK2510515T3 (da) 2009-12-07 2014-05-19 Dolby Lab Licensing Corp Dekodning af flerkanalaudio-kodede bitstrømme ved anvendelse af adaptiv hybrid transformation
US9536529B2 (en) * 2010-01-06 2017-01-03 Lg Electronics Inc. Apparatus for processing an audio signal and method thereof
US8908874B2 (en) 2010-09-08 2014-12-09 Dts, Inc. Spatial audio encoding and reproduction
US9165558B2 (en) 2011-03-09 2015-10-20 Dts Llc System for dynamically creating and rendering audio objects
CN103220058A (zh) * 2012-01-20 2013-07-24 旭扬半导体股份有限公司 音频数据与视觉数据同步装置及其方法
WO2014108738A1 (en) 2013-01-08 2014-07-17 Nokia Corporation Audio signal multi-channel parameter encoder
RU2645271C2 (ru) 2013-04-05 2018-02-19 Долби Интернэшнл Аб Стереофонический кодер и декодер аудиосигналов
WO2014161996A2 (en) 2013-04-05 2014-10-09 Dolby International Ab Audio processing system
US9613660B2 (en) 2013-04-05 2017-04-04 Dts, Inc. Layered audio reconstruction system
TWI546799B (zh) * 2013-04-05 2016-08-21 杜比國際公司 音頻編碼器及解碼器
KR20140123015A (ko) 2013-04-10 2014-10-21 한국전자통신연구원 다채널 신호를 위한 인코더 및 인코딩 방법, 다채널 신호를 위한 디코더 및 디코딩 방법
WO2014168439A1 (ko) * 2013-04-10 2014-10-16 한국전자통신연구원 다채널 신호를 위한 인코더 및 인코딩 방법, 다채널 신호를 위한 디코더 및 디코딩 방법
US8804971B1 (en) 2013-04-30 2014-08-12 Dolby International Ab Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
WO2015104447A1 (en) 2014-01-13 2015-07-16 Nokia Technologies Oy Multi-channel audio signal classifier
WO2017074321A1 (en) * 2015-10-27 2017-05-04 Ambidio, Inc. Apparatus and method for sound stage enhancement
CN108694955B (zh) * 2017-04-12 2020-11-17 华为技术有限公司 多声道信号的编解码方法和编解码器
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
JP7149936B2 (ja) * 2017-06-01 2022-10-07 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置及び符号化方法
CN112242150B (zh) * 2020-09-30 2024-04-12 上海佰贝科技发展股份有限公司 一种检测立体声的方法及其系统
JP7491393B2 (ja) * 2020-11-05 2024-05-28 日本電信電話株式会社 音信号精製方法、音信号復号方法、これらの装置、プログラム及び記録媒体
WO2022097240A1 (ja) * 2020-11-05 2022-05-12 日本電信電話株式会社 音信号高域補償方法、音信号後処理方法、音信号復号方法、これらの装置、プログラム、および記録媒体
US12499898B2 (en) * 2020-11-05 2025-12-16 Ntt, Inc. Sound signal refinement method, sound signal decode method, apparatus thereof, program, and storage medium
US12406678B2 (en) * 2020-11-05 2025-09-02 Nippon Telegraph And Telephone Corporation Sound signal purification using decoded monaural signals
CN120375863B (zh) * 2025-06-24 2025-09-16 南昌航空大学 一种基于噪声感知模型的无人机分类方法及系统

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1268546A (en) * 1985-08-30 1990-05-01 Shigenobu Minami Stereophonic voice signal transmission system
DK0520068T3 (da) * 1991-01-08 1996-07-15 Dolby Ray Milton Koder/dekoder for flerdimensionale lydfelter
DE4209544A1 (de) * 1992-03-24 1993-09-30 Inst Rundfunktechnik Gmbh Verfahren zum Übertragen oder Speichern digitalisierter, mehrkanaliger Tonsignale
US5703999A (en) 1992-05-25 1997-12-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Process for reducing data in the transmission and/or storage of digital signals from several interdependent channels
JP3227942B2 (ja) 1993-10-26 2001-11-12 ソニー株式会社 高能率符号化装置
JPH0969783A (ja) 1995-08-31 1997-03-11 Nippon Steel Corp オーディオデータ符号化装置
US5771295A (en) * 1995-12-26 1998-06-23 Rocktron Corporation 5-2-5 matrix system
ATE309644T1 (de) * 1996-02-08 2005-11-15 Koninkl Philips Electronics Nv Mit 2-kanal- und 1-kanal-übertragung kompatible n-kanalübertragung
US7012630B2 (en) * 1996-02-08 2006-03-14 Verizon Services Corp. Spatial sound conference system and apparatus
US5825776A (en) * 1996-02-27 1998-10-20 Ericsson Inc. Circuitry and method for transmitting voice and data signals upon a wireless communication channel
US5889843A (en) * 1996-03-04 1999-03-30 Interval Research Corporation Methods and systems for creating a spatial auditory environment in an audio conference system
US5812971A (en) * 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
KR0175515B1 (ko) 1996-04-15 1999-04-01 김광호 테이블 조사 방식의 스테레오 구현 장치와 방법
US6697491B1 (en) * 1996-07-19 2004-02-24 Harman International Industries, Incorporated 5-2-5 matrix encoder and decoder system
US6111958A (en) * 1997-03-21 2000-08-29 Euphonics, Incorporated Audio spatial enhancement apparatus and methods
US6236731B1 (en) 1997-04-16 2001-05-22 Dspfactory Ltd. Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signal in hearing aids
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
JP3657120B2 (ja) * 1998-07-30 2005-06-08 株式会社アーニス・サウンド・テクノロジーズ 左，右両耳用のオーディオ信号を音像定位させるための処理方法
JP2000151413A (ja) * 1998-11-10 2000-05-30 Matsushita Electric Ind Co Ltd オーディオ符号化における適応ダイナミック可変ビット割り当て方法
US6408327B1 (en) * 1998-12-22 2002-06-18 Nortel Networks Limited Synthetic stereo conferencing over LAN/WAN
US6539357B1 (en) * 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
US6823018B1 (en) * 1999-07-28 2004-11-23 At&T Corp. Multiple description coding communication system
US6434191B1 (en) * 1999-09-30 2002-08-13 Telcordia Technologies, Inc. Adaptive layered coding for voice over wireless IP applications
US6614936B1 (en) * 1999-12-03 2003-09-02 Microsoft Corporation System and method for robust video coding using progressive fine-granularity scalable (PFGS) coding
US6845163B1 (en) * 1999-12-21 2005-01-18 At&T Corp Microphone array for preserving soundfield perceptual cues
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
US6850496B1 (en) * 2000-06-09 2005-02-01 Cisco Technology, Inc. Virtual conference room for voice conferencing
US6973184B1 (en) * 2000-07-11 2005-12-06 Cisco Technology, Inc. System and method for stereo conferencing over low-bandwidth links
TW510144B (en) 2000-12-27 2002-11-11 C Media Electronics Inc Method and structure to output four-channel analog signal using two channel audio hardware
US7116787B2 (en) * 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
US7292901B2 (en) 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
US6934676B2 (en) * 2001-05-11 2005-08-23 Nokia Mobile Phones Ltd. Method and system for inter-channel signal redundancy removal in perceptual audio coding
US20030187663A1 (en) * 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
WO2003090207A1 (en) 2002-04-22 2003-10-30 Koninklijke Philips Electronics N.V. Parametric multi-channel audio representation
AU2003264750A1 (en) 2002-05-03 2003-11-17 Harman International Industries, Incorporated Multi-channel downmixing device
US6940540B2 (en) * 2002-06-27 2005-09-06 Microsoft Corporation Speaker detection and tracking using audiovisual data
US7542896B2 (en) 2002-07-16 2009-06-02 Koninklijke Philips Electronics N.V. Audio coding/decoding with spatial parameters and non-uniform segmentation for transients
JP2006521577A (ja) 2003-03-24 2006-09-21 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ マルチチャネル信号を表す主信号と副信号の符号化
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

Also Published As

Publication number Publication date
US20030236583A1 (en) 2003-12-25
US7292901B2 (en) 2007-11-06
EP1376538A1 (en) 2004-01-02
JP2004078183A (ja) 2004-03-11
EP1376538B1 (en) 2017-05-24

Similar Documents

Publication Publication Date Title
US7693721B2 (en) Hybrid multi-channel/cue coding/decoding of audio signals
US7292901B2 (en) Hybrid multi-channel/cue coding/decoding of audio signals
Herre et al. MPEG surround-the ISO/MPEG standard for efficient and compatible multichannel audio coding
JP4418493B2 (ja) パラメトリックマルチチャネル符号化システムにおけるチャネルの周波数ベースの符号化
JP6407928B2 (ja) オーディオ処理システム
US7974713B2 (en) Temporal and spatial shaping of multi-channel audio signals
CN101228575B (zh) 利用侧向信息的声道重新配置
CN101479787B (zh) 用于编码和解码基于对象的音频信号的方法和装置
JP4601669B2 (ja) マルチチャネル信号またはパラメータデータセットを生成する装置および方法
CN101151658B (zh) 多声道音频编码和解码方法、编码器和解码器
CN102460573B (zh) 音频信号译码器、对音频信号译码的方法
JP5542306B2 (ja) オーディオ信号のスケーラブル符号化及び復号
CN101160619A (zh) 适应性残余音频编码
KR20070116170A (ko) 스케일 가능한 멀티-채널 오디오 코딩
CN107077861A (zh) 音频编码器和解码器
US20080037795A1 (en) Method, medium, and system decoding compressed multi-channel signals into 2-channel binaural signals
US20070168183A1 (en) Audio distribution system, an audio encoder, an audio decoder and methods of operation therefore
Dubey et al. A Novel Very Low Bit Rate Multi-Channel Audio Coding Scheme Using Accurate Temporal Envelope Coding and Signal Synthesis Tools

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060424

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060424

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070112

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090819

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20091119

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20101101

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110301

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20110318

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20110601

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110622

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140701

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 4772279

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term