PL2500900T3 - Urządzenie, sposób i program komputerowy do uzyskiwania wielokanałowego sygnału audio z sygnału audio - Google Patents

Urządzenie, sposób i program komputerowy do uzyskiwania wielokanałowego sygnału audio z sygnału audio

Info

Publication number
PL2500900T3
PL2500900T3 PL12168768T PL12168768T PL2500900T3 PL 2500900 T3 PL2500900 T3 PL 2500900T3 PL 12168768 T PL12168768 T PL 12168768T PL 12168768 T PL12168768 T PL 12168768T PL 2500900 T3 PL2500900 T3 PL 2500900T3
Authority
PL
Poland
Prior art keywords
audio signal
deriving
computer program
channel audio
channel
Prior art date
Application number
PL12168768T
Other languages
English (en)
Inventor
Christian Uhle
Jürgen Herre
Andreas Walther
Oliver Hellmuth
Christiaan Janssen
Original Assignee
Fraunhofer Ges Forschung
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 Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of PL2500900T3 publication Critical patent/PL2500900T3/pl

Links

Classifications

    • 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
    • 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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
PL12168768T 2006-10-24 2007-10-23 Urządzenie, sposób i program komputerowy do uzyskiwania wielokanałowego sygnału audio z sygnału audio PL2500900T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006050068A DE102006050068B4 (de) 2006-10-24 2006-10-24 Vorrichtung und Verfahren zum Erzeugen eines Umgebungssignals aus einem Audiosignal, Vorrichtung und Verfahren zum Ableiten eines Mehrkanal-Audiosignals aus einem Audiosignal und Computerprogramm
EP07819257A EP1997102B1 (en) 2006-10-24 2007-10-23 Apparatus and method for generating an ambient signal from an audio signal, apparatus and method for deriving a multi-channel audio signal from an audio signal and computer program
EP12168768.5A EP2500900B1 (en) 2006-10-24 2007-10-23 Apparatus, method and computer program for deriving a multi-channel audio signal from an audio signal

Publications (1)

Publication Number Publication Date
PL2500900T3 true PL2500900T3 (pl) 2014-08-29

Family

ID=38988087

Family Applications (2)

Application Number Title Priority Date Filing Date
PL07819257T PL1997102T3 (pl) 2006-10-24 2007-10-23 Urządzenie i sposób do generowania sygnału otoczenia z sygnału audio, urządzenie i sposób do uzyskiwania wielokanałowego sygnału audio z sygnału audio i program komputerowy
PL12168768T PL2500900T3 (pl) 2006-10-24 2007-10-23 Urządzenie, sposób i program komputerowy do uzyskiwania wielokanałowego sygnału audio z sygnału audio

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL07819257T PL1997102T3 (pl) 2006-10-24 2007-10-23 Urządzenie i sposób do generowania sygnału otoczenia z sygnału audio, urządzenie i sposób do uzyskiwania wielokanałowego sygnału audio z sygnału audio i program komputerowy

Country Status (12)

Country Link
US (1) US8346565B2 (pl)
EP (2) EP1997102B1 (pl)
JP (1) JP5048777B2 (pl)
KR (1) KR101090565B1 (pl)
CN (1) CN101536085B (pl)
AU (1) AU2007308413B2 (pl)
CA (1) CA2664163C (pl)
DE (1) DE102006050068B4 (pl)
ES (2) ES2461191T3 (pl)
PL (2) PL1997102T3 (pl)
TW (1) TWI352971B (pl)
WO (1) WO2008049587A1 (pl)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101632118B (zh) 2006-12-27 2013-06-05 韩国电子通信研究院 用于对多对象音频信号进行编码和解码的设备和方法
US20080228470A1 (en) * 2007-02-21 2008-09-18 Atsuo Hiroe Signal separating device, signal separating method, and computer program
EP2227682A1 (en) * 2007-11-06 2010-09-15 Nokia Corporation An encoder
US9082397B2 (en) * 2007-11-06 2015-07-14 Nokia Technologies Oy Encoder
US20100274555A1 (en) * 2007-11-06 2010-10-28 Lasse Laaksonen Audio Coding Apparatus and Method Thereof
EP2154911A1 (en) * 2008-08-13 2010-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus for determining a spatial output multi-channel audio signal
ES2875416T3 (es) * 2008-12-11 2021-11-10 Fraunhofer Ges Forschung Aparato para generar una señal de audio multicanal
US8781818B2 (en) * 2008-12-23 2014-07-15 Koninklijke Philips N.V. Speech capturing and speech rendering
JP5730881B2 (ja) * 2009-10-09 2015-06-10 ディーティーエス・インコーポレイテッドＤＴＳ，Ｉｎｃ． 録音の適応的ダイナミックレンジ強化
WO2011060816A1 (en) * 2009-11-18 2011-05-26 Nokia Corporation Data processing
WO2011090437A1 (en) * 2010-01-19 2011-07-28 Nanyang Technological University A system and method for processing an input signal to produce 3d audio effects
TWI444989B (zh) * 2010-01-22 2014-07-11 Dolby Lab Licensing Corp 針對改良多通道上混使用多通道解相關之技術
EP2543199B1 (en) * 2010-03-02 2015-09-09 Nokia Technologies Oy Method and apparatus for upmixing a two-channel audio signal
US9219972B2 (en) * 2010-11-19 2015-12-22 Nokia Technologies Oy Efficient audio coding having reduced bit rate for ambient signals and decoding using same
US20120316886A1 (en) * 2011-06-08 2012-12-13 Ramin Pishehvar Sparse coding using object exttraction
EP2544465A1 (en) 2011-07-05 2013-01-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral weights generator
US9532157B2 (en) 2011-12-23 2016-12-27 Nokia Technologies Oy Audio processing for mono signals
BR122021021487B1 (pt) 2012-09-12 2022-11-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V Aparelho e método para fornecer capacidades melhoradas de downmix guiado para áudio 3d
WO2014135235A1 (en) 2013-03-05 2014-09-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for multichannel direct-ambient decomposition for audio signal processing
US9788119B2 (en) * 2013-03-20 2017-10-10 Nokia Technologies Oy Spatial audio apparatus
CN104240711B (zh) * 2013-06-18 2019-10-11 杜比实验室特许公司 用于生成自适应音频内容的方法、系统和装置
EP2830336A3 (en) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Renderer controlled spatial upmix
EP3028274B1 (en) * 2013-07-29 2019-03-20 Dolby Laboratories Licensing Corporation Apparatus and method for reducing temporal artifacts for transient signals in a decorrelator circuit
EP2866227A1 (en) 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder
DE102013223201B3 (de) * 2013-11-14 2015-05-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Komprimieren und Dekomprimieren von Schallfelddaten eines Gebietes
US10002622B2 (en) * 2013-11-20 2018-06-19 Adobe Systems Incorporated Irregular pattern identification using landmark based convolution
WO2015123658A1 (en) 2014-02-14 2015-08-20 Sonic Blocks, Inc. Modular quick-connect a/v system and methods thereof
EP3155828B1 (en) * 2014-07-22 2018-11-07 Huawei Technologies Co., Ltd. An apparatus and a method for manipulating an input audio signal
EP2980789A1 (en) 2014-07-30 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhancing an audio signal, sound enhancing system
US9576583B1 (en) * 2014-12-01 2017-02-21 Cedar Audio Ltd Restoring audio signals with mask and latent variables
CN107112979B (zh) * 2014-12-03 2020-11-06 瑞内特有限公司 具有在高解析音频的前响应频率下的群延迟的非线性滤波器
JP6519959B2 (ja) * 2017-03-22 2019-05-29 カシオ計算機株式会社 操作処理装置、再生装置、操作処理方法およびプログラム
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
MX2021006565A (es) 2018-12-07 2021-08-11 Fraunhofer Ges Forschung Aparato, metodo y programa de computadora para codificacion, decodificacion, procesamiento de escenas y otros procedimientos relacionados con codificacion de audio espacial basada en dirac que utiliza compensacion difusa.
CN109597342B (zh) * 2019-01-16 2020-10-20 郑州轻工业学院 一种动态组网智能辨识的采砂船监测装置及方法
US11579838B2 (en) 2020-11-26 2023-02-14 Verses, Inc. Method for playing audio source using user interaction and a music application using the same
KR102331274B1 (ko) * 2020-11-26 2021-12-01 주식회사 버시스 사용자의 인터랙션을 이용한 오디오 소스 재생 방법 및 이를 이용한 음악 어플리케이션
US11432078B1 (en) 2021-03-09 2022-08-30 Listen and Be Heard LLC Method and system for customized amplification of auditory signals providing enhanced karaoke experience for hearing-deficient users
US11575998B2 (en) 2021-03-09 2023-02-07 Listen and Be Heard LLC Method and system for customized amplification of auditory signals based on switching of tuning profiles
WO2023184219A1 (en) 2022-03-30 2023-10-05 Dow Global Technologies Llc Aryl-pag monoesters as lubricating oil base stocks
CN118643319B (zh) * 2024-08-12 2024-11-12 湖南警察学院 一种无误差累积的信号盲提取方法、装置、设备及介质

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE467332B (sv) 1990-06-21 1992-06-29 Ericsson Telefon Ab L M Foerfarande foer effektreglering i ett digitalt mobiltelefonisystem
UA51671C2 (uk) 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій
TW411723B (en) * 1996-11-15 2000-11-11 Koninkl Philips Electronics Nv A mono-stereo conversion device, an audio reproduction system using such a device and a mono-stereo conversion method
US6229453B1 (en) 1998-01-26 2001-05-08 Halliburton Energy Services, Inc. Method to transmit downhole video up standard wireline cable using digital data compression techniques
US7076071B2 (en) * 2000-06-12 2006-07-11 Robert A. Katz Process for enhancing the existing ambience, imaging, depth, clarity and spaciousness of sound recordings
JP3960932B2 (ja) * 2002-03-08 2007-08-15 日本電信電話株式会社 ディジタル信号符号化方法、復号化方法、符号化装置、復号化装置及びディジタル信号符号化プログラム、復号化プログラム
US7257231B1 (en) * 2002-06-04 2007-08-14 Creative Technology Ltd. Stream segregation for stereo signals
JP2005004119A (ja) * 2003-06-16 2005-01-06 Victor Co Of Japan Ltd 音響信号符号化装置及び音響信号復号化装置
US7738881B2 (en) 2003-07-22 2010-06-15 Microsoft Corporation Systems for determining the approximate location of a device from ambient signals
US7672834B2 (en) * 2003-07-23 2010-03-02 Mitsubishi Electric Research Laboratories, Inc. Method and system for detecting and temporally relating components in non-stationary signals
US7412380B1 (en) * 2003-12-17 2008-08-12 Creative Technology Ltd. Ambience extraction and modification for enhancement and upmix of audio signals
CN1677491A (zh) * 2004-04-01 2005-10-05 北京宫羽数字技术有限责任公司 一种增强音频编解码装置及方法
JP3916087B2 (ja) * 2004-06-29 2007-05-16 ソニー株式会社 疑似ステレオ化装置
US7876909B2 (en) * 2004-07-13 2011-01-25 Waves Audio Ltd. Efficient filter for artificial ambience
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
JP2008529364A (ja) * 2005-01-24 2008-07-31 ティ エイチ エックス リミテッド 周辺及び直接サラウンドサウンドシステム
AU2006255662B2 (en) * 2005-06-03 2012-08-23 Dolby Laboratories Licensing Corporation Apparatus and method for encoding audio signals with decoding instructions
US7965848B2 (en) * 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
US9088855B2 (en) * 2006-05-17 2015-07-21 Creative Technology Ltd Vector-space methods for primary-ambient decomposition of stereo audio signals

Also Published As

Publication number Publication date
CA2664163C (en) 2013-07-16
CN101536085A (zh) 2009-09-16
AU2007308413B2 (en) 2010-08-26
TW200837718A (en) 2008-09-16
EP2500900A1 (en) 2012-09-19
WO2008049587A1 (en) 2008-05-02
ES2461191T3 (es) 2014-05-19
EP1997102A1 (en) 2008-12-03
EP1997102B1 (en) 2012-07-25
AU2007308413A1 (en) 2008-05-02
JP5048777B2 (ja) 2012-10-17
US8346565B2 (en) 2013-01-01
CA2664163A1 (en) 2008-05-02
US20100030563A1 (en) 2010-02-04
TWI352971B (en) 2011-11-21
DE102006050068A1 (de) 2008-06-19
PL1997102T3 (pl) 2012-11-30
JP2010507943A (ja) 2010-03-11
HK1176156A1 (en) 2013-07-19
ES2391308T3 (es) 2012-11-23
KR20090042856A (ko) 2009-04-30
WO2008049587A8 (en) 2009-04-09
KR101090565B1 (ko) 2011-12-08
DE102006050068B4 (de) 2010-11-11
CN101536085B (zh) 2012-01-25
HK1122391A1 (en) 2009-05-15
EP2500900B1 (en) 2014-04-02

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