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DE602006000239D1 - Energieabhängige quantisierung für effiziente kodierung räumlicher audioparameter - Google Patents

Energieabhängige quantisierung für effiziente kodierung räumlicher audioparameter

Info

Publication number
DE602006000239D1
DE602006000239D1 DE602006000239T DE602006000239T DE602006000239D1 DE 602006000239 D1 DE602006000239 D1 DE 602006000239D1 DE 602006000239 T DE602006000239 T DE 602006000239T DE 602006000239 T DE602006000239 T DE 602006000239T DE 602006000239 D1 DE602006000239 D1 DE 602006000239D1
Authority
DE
Germany
Prior art keywords
channel
audioparameters
spatial
measure
channels
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
DE602006000239T
Other languages
English (en)
Other versions
DE602006000239T2 (de
Inventor
Jonas Roeden
Jonas Engdegard
Heiko Purnhagen
Jeroen Breebaart
Erik Schuijers
De Par Steven Van
Johannes Hilpert
Juergen Herre
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
Koninklijke Philips NV
Coding Technologies Sweden AB
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Koninklijke Philips Electronics NV
Coding Technologies Sweden AB
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, Koninklijke Philips Electronics NV, Coding Technologies Sweden AB filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Publication of DE602006000239D1 publication Critical patent/DE602006000239D1/de
Application granted granted Critical
Publication of DE602006000239T2 publication Critical patent/DE602006000239T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10L19/04—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 predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
DE602006000239T 2005-04-19 2006-04-10 Energieabhängige quantisierung für effiziente kodierung räumlicher audioparameter Active DE602006000239T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US67294305P 2005-04-19 2005-04-19
US672943P 2005-04-19
PCT/EP2006/003284 WO2006111294A1 (en) 2005-04-19 2006-04-10 Energy dependent quantization for efficient coding of spatial audio parameters

Publications (2)

Publication Number Publication Date
DE602006000239D1 true DE602006000239D1 (de) 2007-12-27
DE602006000239T2 DE602006000239T2 (de) 2008-09-18

Family

ID=36581679

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006000239T Active DE602006000239T2 (de) 2005-04-19 2006-04-10 Energieabhängige quantisierung für effiziente kodierung räumlicher audioparameter

Country Status (14)

Country Link
US (1) US8054981B2 (de)
EP (1) EP1754222B1 (de)
JP (1) JP4521032B2 (de)
KR (1) KR100878371B1 (de)
CN (1) CN1993733B (de)
AT (1) ATE378675T1 (de)
BR (1) BRPI0605857A (de)
DE (1) DE602006000239T2 (de)
ES (1) ES2297825T3 (de)
MY (1) MY141427A (de)
PL (1) PL1754222T3 (de)
RU (1) RU2376655C2 (de)
TW (1) TWI327306B (de)
WO (1) WO2006111294A1 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101147191B (zh) * 2005-03-25 2011-07-13 松下电器产业株式会社 语音编码装置和语音编码方法
WO2007037613A1 (en) * 2005-09-27 2007-04-05 Lg Electronics Inc. Method and apparatus for encoding/decoding multi-channel audio signal
US8626515B2 (en) * 2006-03-30 2014-01-07 Lg Electronics Inc. Apparatus for processing media signal and method thereof
CN101632117A (zh) * 2006-12-07 2010-01-20 Lg电子株式会社 用于解码音频信号的方法和装置
US8352249B2 (en) * 2007-11-01 2013-01-08 Panasonic Corporation Encoding device, decoding device, and method thereof
CN102027535A (zh) * 2008-04-11 2011-04-20 诺基亚公司 信号处理
KR101614160B1 (ko) 2008-07-16 2016-04-20 한국전자통신연구원 포스트 다운믹스 신호를 지원하는 다객체 오디오 부호화 장치 및 복호화 장치
US8352279B2 (en) * 2008-09-06 2013-01-08 Huawei Technologies Co., Ltd. Efficient temporal envelope coding approach by prediction between low band signal and high band signal
US20100324915A1 (en) * 2009-06-23 2010-12-23 Electronic And Telecommunications Research Institute Encoding and decoding apparatuses for high quality multi-channel audio codec
US9167367B2 (en) * 2009-10-15 2015-10-20 France Telecom Optimized low-bit rate parametric coding/decoding
JP2012023540A (ja) * 2010-07-14 2012-02-02 Asahi Kasei Electronics Co Ltd マルチビットデルタシグマ変調器及びａｄコンバータ
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
KR20120038311A (ko) * 2010-10-13 2012-04-23 삼성전자주식회사 공간 파라미터 부호화 장치 및 방법，그리고 공간 파라미터 복호화 장치 및 방법
CN103718466B (zh) * 2011-08-04 2016-08-17 杜比国际公司 通过使用参量立体声改善fm立体声无线电接收器
ES2540215T3 (es) 2012-04-05 2015-07-09 Huawei Technologies Co., Ltd. Método de estimación de diferencia inter-canal y dispositivo de codificación de audio espacial
US9799339B2 (en) 2012-05-29 2017-10-24 Nokia Technologies Oy Stereo audio signal encoder
US9380317B2 (en) * 2012-10-08 2016-06-28 Qualcomm Incorporated Identification of operation points applicable to nested SEI message in video coding
US9350970B2 (en) 2012-12-14 2016-05-24 Qualcomm Incorporated Disparity vector derivation
CN105074818B (zh) 2013-02-21 2019-08-13 杜比国际公司 音频编码系统、用于产生比特流的方法以及音频解码器
BR112015025009B1 (pt) * 2013-04-05 2021-12-21 Dolby International Ab Unidades de quantização e quantização inversa, codificador e decodificador, métodos para quantizar e dequantizar
US9821908B2 (en) * 2013-06-07 2017-11-21 Bell Helicopter Textron Inc. System and method for assisting in rotor speed control
WO2014204935A2 (en) * 2013-06-17 2014-12-24 Dolby Laboratories Licensing Corporation Multi-stage quantization of parameter vectors from disparate signal dimensions
WO2014210284A1 (en) * 2013-06-27 2014-12-31 Dolby Laboratories Licensing Corporation Bitstream syntax for spatial voice coding
TWI579831B (zh) 2013-09-12 2017-04-21 杜比國際公司 用於參數量化的方法、用於量化的參數之解量化方法及其電腦可讀取的媒體、音頻編碼器、音頻解碼器及音頻系統
WO2015104447A1 (en) * 2014-01-13 2015-07-16 Nokia Technologies Oy Multi-channel audio signal classifier
EP3201916B1 (de) * 2014-10-01 2018-12-05 Dolby International AB Audiocodierer und -decodierer
KR102426965B1 (ko) * 2014-10-02 2022-08-01 돌비 인터네셔널 에이비 대화 향상을 위한 디코딩 방법 및 디코더
FR3048808A1 (fr) 2016-03-10 2017-09-15 Orange Codage et decodage optimise d'informations de spatialisation pour le codage et le decodage parametrique d'un signal audio multicanal
PL3539126T3 (pl) 2016-11-08 2021-04-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Urządzenie i sposób downmiksu lub upmiksu sygnału wielokanałowego przy wykorzystaniu kompensacji fazy
MY203778A (en) * 2017-11-17 2024-07-18 Fraunhofer Ges Zur Frderung Der Angewandten Forschung E V Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutions
GB2574239A (en) * 2018-05-31 2019-12-04 Nokia Technologies Oy Signalling of spatial audio parameters
EP3874492B1 (de) 2018-10-31 2023-12-06 Nokia Technologies Oy Bestimmung der codierung räumlicher audioparameter und zugehörige decodierung
GB2582749A (en) * 2019-03-28 2020-10-07 Nokia Technologies Oy Determination of the significance of spatial audio parameters and associated encoding
GB2595883A (en) * 2020-06-09 2021-12-15 Nokia Technologies Oy Spatial audio parameter encoding and associated decoding
IL298813A (en) * 2020-06-11 2023-02-01 Dolby Laboratories Licensing Corp Quantization and Entropy Coding of Navel Audio Codec Parameters with Low Density
GB2598773A (en) * 2020-09-14 2022-03-16 Nokia Technologies Oy Quantizing spatial audio parameters
KR20230084232A (ko) * 2020-10-05 2023-06-12 노키아 테크놀로지스 오와이 오디오 파라미터의 양자화
JP7689196B2 (ja) * 2021-03-22 2025-06-05 ノキア テクノロジーズ オサケユイチア 空間音声ストリームの結合

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2073913C1 (ru) 1990-09-19 1997-02-20 Н.В.Филипс Глоэлампенфабрикен Носитель записи, способ и устройство для записи информационных файлов и устройство для воспроизведения информации с такого носителя записи
DE4236989C2 (de) * 1992-11-02 1994-11-17 Fraunhofer Ges Forschung Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle
KR970011727B1 (en) * 1994-11-09 1997-07-14 Daewoo Electronics Co Ltd Apparatus for encoding of the audio signal
US6539357B1 (en) * 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
WO2003044775A1 (en) * 2001-11-23 2003-05-30 Koninklijke Philips Electronics N.V. Perceptual noise substitution
JP4296753B2 (ja) * 2002-05-20 2009-07-15 ソニー株式会社 音響信号符号化方法及び装置、音響信号復号方法及び装置、並びにプログラム及び記録媒体
ATE377339T1 (de) * 2002-07-12 2007-11-15 Koninkl Philips Electronics Nv Audio-kodierung
DE602004002390T2 (de) * 2003-02-11 2007-09-06 Koninklijke Philips Electronics N.V. Audiocodierung
JP2004309921A (ja) * 2003-04-09 2004-11-04 Sony Corp 符号化装置、符号化方法及びプログラム
WO2005010209A2 (de) * 2003-07-24 2005-02-03 Qiagen Gmbh Verfahren zur reversen transkription und/oder amplifikation von nukleinsäuren

Also Published As

Publication number Publication date
RU2376655C2 (ru) 2009-12-20
CN1993733B (zh) 2010-12-08
HK1095993A1 (en) 2007-05-25
JP4521032B2 (ja) 2010-08-11
CN1993733A (zh) 2007-07-04
DE602006000239T2 (de) 2008-09-18
US8054981B2 (en) 2011-11-08
ATE378675T1 (de) 2007-11-15
MY141427A (en) 2010-04-30
KR20070062502A (ko) 2007-06-15
US20070016416A1 (en) 2007-01-18
EP1754222B1 (de) 2007-11-14
EP1754222A1 (de) 2007-02-21
KR100878371B1 (ko) 2009-01-15
PL1754222T3 (pl) 2008-04-30
WO2006111294A1 (en) 2006-10-26
TW200703238A (en) 2007-01-16
BRPI0605857A (pt) 2007-12-18
RU2007106874A (ru) 2008-08-27
TWI327306B (en) 2010-07-11
JP2008517339A (ja) 2008-05-22
ES2297825T3 (es) 2008-05-01

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