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DE502005000864D1 - Vorrichtung und verfahren zum verarbeiten eines multikanalsignals - Google Patents

Vorrichtung und verfahren zum verarbeiten eines multikanalsignals

Info

Publication number
DE502005000864D1
DE502005000864D1 DE502005000864T DE502005000864T DE502005000864D1 DE 502005000864 D1 DE502005000864 D1 DE 502005000864D1 DE 502005000864 T DE502005000864 T DE 502005000864T DE 502005000864 T DE502005000864 T DE 502005000864T DE 502005000864 D1 DE502005000864 D1 DE 502005000864D1
Authority
DE
Germany
Prior art keywords
channels
prediction
processing
channel
multicanal
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
DE502005000864T
Other languages
English (en)
Inventor
Juergen Herre
Michael Schug
Alexander Groeschl
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 DE502005000864D1 publication Critical patent/DE502005000864D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10L19/02—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
    • G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Stereophonic System (AREA)
  • Radio Relay Systems (AREA)
  • Color Image Communication Systems (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Detergent Compositions (AREA)
DE502005000864T 2004-03-01 2005-02-28 Vorrichtung und verfahren zum verarbeiten eines multikanalsignals Expired - Lifetime DE502005000864D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004009954A DE102004009954B4 (de) 2004-03-01 2004-03-01 Vorrichtung und Verfahren zum Verarbeiten eines Multikanalsignals
PCT/EP2005/002110 WO2005083678A1 (de) 2004-03-01 2005-02-28 Vorrichtung und verfahren zum verarbeiten eines multikanalsignals

Publications (1)

Publication Number Publication Date
DE502005000864D1 true DE502005000864D1 (de) 2007-07-26

Family

ID=34894904

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102004009954A Expired - Lifetime DE102004009954B4 (de) 2004-03-01 2004-03-01 Vorrichtung und Verfahren zum Verarbeiten eines Multikanalsignals
DE502005000864T Expired - Lifetime DE502005000864D1 (de) 2004-03-01 2005-02-28 Vorrichtung und verfahren zum verarbeiten eines multikanalsignals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102004009954A Expired - Lifetime DE102004009954B4 (de) 2004-03-01 2004-03-01 Vorrichtung und Verfahren zum Verarbeiten eines Multikanalsignals

Country Status (17)

Country Link
US (1) US7340391B2 (de)
EP (1) EP1697930B1 (de)
JP (1) JP4413257B2 (de)
KR (1) KR100823097B1 (de)
CN (1) CN1926608B (de)
AT (1) ATE364882T1 (de)
AU (1) AU2005217517B2 (de)
BR (1) BRPI0507207B1 (de)
CA (1) CA2558161C (de)
DE (2) DE102004009954B4 (de)
DK (1) DK1697930T3 (de)
ES (1) ES2286798T3 (de)
IL (1) IL177213A (de)
NO (1) NO339114B1 (de)
PT (1) PT1697930E (de)
RU (1) RU2332727C2 (de)
WO (1) WO2005083678A1 (de)

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US20100100372A1 (en) * 2007-01-26 2010-04-22 Panasonic Corporation Stereo encoding device, stereo decoding device, and their method
US8086465B2 (en) 2007-03-20 2011-12-27 Microsoft Corporation Transform domain transcoding and decoding of audio data using integer-reversible modulated lapped transforms
US7991622B2 (en) * 2007-03-20 2011-08-02 Microsoft Corporation Audio compression and decompression using integer-reversible modulated lapped transforms
JP5355387B2 (ja) * 2007-03-30 2013-11-27 パナソニック株式会社 符号化装置および符号化方法
CN101067931B (zh) * 2007-05-10 2011-04-20 芯晟(北京)科技有限公司 一种高效可配置的频域参数立体声及多声道编解码方法与系统
CN101981616A (zh) * 2008-04-04 2011-02-23 松下电器产业株式会社 立体声信号变换装置、立体声信号逆变换装置及其方法
CN101770776B (zh) 2008-12-29 2011-06-08 华为技术有限公司 瞬态信号的编码方法和装置、解码方法和装置及处理系统
PL2273493T3 (pl) * 2009-06-29 2013-07-31 Fraunhofer Ges Forschung Kodowanie i dekodowanie z rozszerzaniem szerokości pasma
CA2796292C (en) * 2010-04-13 2016-06-07 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or video signals using a variable prediction direction
WO2012152764A1 (en) 2011-05-09 2012-11-15 Dolby International Ab Method and encoder for processing a digital stereo audio signal
CN104269173B (zh) * 2014-09-30 2018-03-13 武汉大学深圳研究院 切换模式的音频带宽扩展装置与方法
US12125492B2 (en) 2015-09-25 2024-10-22 Voiceage Coproration Method and system for decoding left and right channels of a stereo sound signal
ES2904275T3 (es) 2015-09-25 2022-04-04 Voiceage Corp Método y sistema de decodificación de los canales izquierdo y derecho de una señal sonora estéreo
CN107659888A (zh) * 2017-08-21 2018-02-02 广州酷狗计算机科技有限公司 识别伪立体声音频的方法、装置及存储介质
EP3483878A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecoder mit auswahlfunktion für unterschiedliche verlustmaskierungswerkzeuge
EP3483879A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analyse-/synthese-fensterfunktion für modulierte geläppte transformation
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
EP3483882A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Steuerung der bandbreite in codierern und/oder decodierern
EP3483886A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auswahl einer grundfrequenz
EP3483884A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signalfiltrierung
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
EP3483880A1 (de) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Zeitliche rauschformung
EP3483883A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierung und -dekodierung mit selektiver nachfilterung
CN108962268B (zh) * 2018-07-26 2020-11-03 广州酷狗计算机科技有限公司 确定单声道的音频的方法和装置
CN112151045B (zh) 2019-06-29 2024-06-04 华为技术有限公司 一种立体声编码方法、立体声解码方法和装置
CN111654745B (zh) * 2020-06-08 2022-10-14 海信视像科技股份有限公司 多声道的信号处理方法及显示设备
WO2021252748A1 (en) 2020-06-11 2021-12-16 Dolby Laboratories Licensing Corporation Encoding of multi-channel audio signals comprising downmixing of a primary and two or more scaled non-primary input channels
CN112053669B (zh) * 2020-08-27 2023-10-27 海信视像科技股份有限公司 一种人声消除方法、装置、设备及介质
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Also Published As

Publication number Publication date
KR20060121982A (ko) 2006-11-29
NO20064431L (no) 2006-09-29
DE102004009954B4 (de) 2005-12-15
CA2558161C (en) 2010-05-11
ATE364882T1 (de) 2007-07-15
CN1926608A (zh) 2007-03-07
CA2558161A1 (en) 2005-09-09
PT1697930E (pt) 2007-09-25
RU2006134641A (ru) 2008-04-10
BRPI0507207A8 (pt) 2018-06-12
DK1697930T3 (da) 2007-10-08
IL177213A (en) 2011-10-31
CN1926608B (zh) 2010-05-05
EP1697930A1 (de) 2006-09-06
BRPI0507207A (pt) 2007-06-12
US20070033056A1 (en) 2007-02-08
AU2005217517B2 (en) 2008-06-26
AU2005217517A1 (en) 2005-09-09
DE102004009954A1 (de) 2005-09-29
JP2007525718A (ja) 2007-09-06
IL177213A0 (en) 2006-12-10
BRPI0507207B1 (pt) 2018-12-26
HK1095194A1 (en) 2007-04-27
KR100823097B1 (ko) 2008-04-18
RU2332727C2 (ru) 2008-08-27
ES2286798T3 (es) 2007-12-01
US7340391B2 (en) 2008-03-04
EP1697930B1 (de) 2007-06-13
NO339114B1 (no) 2016-11-14
JP4413257B2 (ja) 2010-02-10
WO2005083678A1 (de) 2005-09-09

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