DE602004028171D1 - Mehrkanalige audio-erweiterung - Google Patents

Mehrkanalige audio-erweiterung

Info

Publication number
DE602004028171D1
DE602004028171D1 DE602004028171T DE602004028171T DE602004028171D1 DE 602004028171 D1 DE602004028171 D1 DE 602004028171D1 DE 602004028171 T DE602004028171 T DE 602004028171T DE 602004028171 T DE602004028171 T DE 602004028171T DE 602004028171 D1 DE602004028171 D1 DE 602004028171D1
Authority
DE
Germany
Prior art keywords
multichannel audio
frequency domain
frequency
region
multichannel
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
DE602004028171T
Other languages
English (en)
Inventor
Juha Ojanperae
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Publication of DE602004028171D1 publication Critical patent/DE602004028171D1/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
    • G10L19/008—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
    • G10L19/0204—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 subband decomposition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Stereophonic System (AREA)
DE602004028171T 2004-05-28 2004-05-28 Mehrkanalige audio-erweiterung Expired - Lifetime DE602004028171D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2004/001764 WO2006000842A1 (en) 2004-05-28 2004-05-28 Multichannel audio extension

Publications (1)

Publication Number Publication Date
DE602004028171D1 true DE602004028171D1 (de) 2010-08-26

Family

ID=34957655

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004028171T Expired - Lifetime DE602004028171D1 (de) 2004-05-28 2004-05-28 Mehrkanalige audio-erweiterung

Country Status (5)

Country Link
US (1) US7620554B2 (de)
EP (1) EP1749296B1 (de)
AT (1) ATE474310T1 (de)
DE (1) DE602004028171D1 (de)
WO (1) WO2006000842A1 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
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
US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
US20050065787A1 (en) * 2003-09-23 2005-03-24 Jacek Stachurski Hybrid speech coding and system
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
KR100773539B1 (ko) * 2004-07-14 2007-11-05 삼성전자주식회사 멀티채널 오디오 데이터 부호화/복호화 방법 및 장치
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
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
US7953604B2 (en) 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
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
CN101079260B (zh) * 2006-05-26 2010-06-16 浙江万里学院 一种数字声场音频信号处理方法
DE102007017254B4 (de) * 2006-11-16 2009-06-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zum Kodieren und Dekodieren
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
KR101379263B1 (ko) * 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
KR100905585B1 (ko) 2007-03-02 2009-07-02 삼성전자주식회사 음성신호의 대역폭 확장 제어 방법 및 장치
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8374883B2 (en) 2007-10-31 2013-02-12 Panasonic Corporation Encoder and decoder using inter channel prediction based on optimally determined signals
MX2010002629A (es) * 2007-11-21 2010-06-02 Lg Electronics Inc Metodo y aparato para procesar una señal.
EP2215629A1 (de) * 2007-11-27 2010-08-11 Nokia Corporation Mehrkanalige audiocodierung
US11336926B2 (en) * 2007-12-05 2022-05-17 Sony Interactive Entertainment LLC System and method for remote-hosted video game streaming and feedback from client on received frames
US8781844B2 (en) * 2009-09-25 2014-07-15 Nokia Corporation Audio coding
JP5754899B2 (ja) 2009-10-07 2015-07-29 ソニー株式会社 復号装置および方法、並びにプログラム
JP5652658B2 (ja) * 2010-04-13 2015-01-14 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
JP5850216B2 (ja) 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
JP5609737B2 (ja) 2010-04-13 2014-10-22 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
JP5707842B2 (ja) 2010-10-15 2015-04-30 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
US8924200B2 (en) * 2010-10-15 2014-12-30 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
US8868432B2 (en) * 2010-10-15 2014-10-21 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
KR20120046627A (ko) * 2010-11-02 2012-05-10 삼성전자주식회사 화자 적응 방법 및 장치
JP5942358B2 (ja) 2011-08-24 2016-06-29 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
RU2665214C1 (ru) 2013-04-05 2018-08-28 Долби Интернэшнл Аб Стереофонический кодер и декодер аудиосигналов
JP6531649B2 (ja) 2013-09-19 2019-06-19 ソニー株式会社 符号化装置および方法、復号化装置および方法、並びにプログラム
ES2710774T3 (es) * 2013-11-27 2019-04-26 Dts Inc Mezcla de matriz basada en multipletes para audio de múltiples canales de alta cantidad de canales
AU2014371411A1 (en) 2013-12-27 2016-06-23 Sony Corporation Decoding device, method, and program
WO2018183299A1 (en) * 2017-03-27 2018-10-04 Orion Labs Bot group messaging using bot-specific voice libraries
CN117292695A (zh) 2017-08-10 2023-12-26 华为技术有限公司 时域立体声参数的编码方法和相关产品

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516258A (en) * 1982-06-30 1985-05-07 At&T Bell Laboratories Bit allocation generator for adaptive transform coder
NL9000338A (nl) 1989-06-02 1991-01-02 Koninkl Philips Electronics Nv Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting.
US5539829A (en) 1989-06-02 1996-07-23 U.S. Philips Corporation Subband coded digital transmission system using some composite signals
US6064954A (en) * 1997-04-03 2000-05-16 International Business Machines Corp. Digital audio signal coding
US6016473A (en) 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
US6691082B1 (en) * 1999-08-03 2004-02-10 Lucent Technologies Inc Method and system for sub-band hybrid coding
US20020009000A1 (en) * 2000-01-18 2002-01-24 Qdesign Usa, Inc. Adding imperceptible noise to audio and other types of signals to cause significant degradation when compressed and decompressed
US7006636B2 (en) * 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
US7116787B2 (en) * 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
WO2003065353A1 (en) 2002-01-30 2003-08-07 Matsushita Electric Industrial Co., Ltd. Audio encoding and decoding device and methods thereof
KR20040080003A (ko) * 2002-02-18 2004-09-16 코닌클리케 필립스 일렉트로닉스 엔.브이. 파라메트릭 오디오 코딩
US7428440B2 (en) 2002-04-23 2008-09-23 Realnetworks, Inc. Method and apparatus for preserving matrix surround information in encoded audio/video
JP2005533271A (ja) * 2002-07-16 2005-11-04 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 オーディオ符号化
US7191136B2 (en) 2002-10-01 2007-03-13 Ibiquity Digital Corporation Efficient coding of high frequency signal information in a signal using a linear/non-linear prediction model based on a low pass baseband

Also Published As

Publication number Publication date
EP1749296B1 (de) 2010-07-14
US7620554B2 (en) 2009-11-17
US20050267763A1 (en) 2005-12-01
EP1749296A1 (de) 2007-02-07
WO2006000842A1 (en) 2006-01-05
ATE474310T1 (de) 2010-07-15

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