ATE378675T1 - Energieabhängige quantisierung für effiziente kodierung räumlicher audioparameter - Google Patents

Energieabhängige quantisierung für effiziente kodierung räumlicher audioparameter

Info

Publication number
ATE378675T1
ATE378675T1 AT06724214T AT06724214T ATE378675T1 AT E378675 T1 ATE378675 T1 AT E378675T1 AT 06724214 T AT06724214 T AT 06724214T AT 06724214 T AT06724214 T AT 06724214T AT E378675 T1 ATE378675 T1 AT E378675T1
Authority
AT
Austria
Prior art keywords
channel
spatial audio
measure
efficient coding
channels
Prior art date
Application number
AT06724214T
Other languages
English (en)
Inventor
Jonas Roeden
Jonas Engdegard
Heiko Purnhagen
Jeroen Breebaart
Erik Schuijers
De Par Steven Van
Johannes Hilpert
Juergen Herre
Original Assignee
Coding Tech Ab
Fraunhofer Ges Forschung
Koninkl Philips Electronics Nv
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 Coding Tech Ab, Fraunhofer Ges Forschung, Koninkl Philips Electronics Nv filed Critical Coding Tech Ab
Application granted granted Critical
Publication of ATE378675T1 publication Critical patent/ATE378675T1/de

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
    • G10L19/03—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
    • G10L19/04—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)
AT06724214T 2005-04-19 2006-04-10 Energieabhängige quantisierung für effiziente kodierung räumlicher audioparameter ATE378675T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67294305P 2005-04-19 2005-04-19

Publications (1)

Publication Number Publication Date
ATE378675T1 true ATE378675T1 (de) 2007-11-15

Family

ID=36581679

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06724214T ATE378675T1 (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)

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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
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JP5752134B2 (ja) * 2009-10-15 2015-07-22 オランジュ 最適化された低スループットパラメトリック符号化／復号化
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
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KR20120038311A (ko) * 2010-10-13 2012-04-23 삼성전자주식회사 공간 파라미터 부호화 장치 및 방법，그리고 공간 파라미터 복호화 장치 및 방법
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CN103534753B (zh) 2012-04-05 2015-05-27 华为技术有限公司 用于信道间差估计的方法和空间音频编码装置
WO2013179084A1 (en) * 2012-05-29 2013-12-05 Nokia Corporation Stereo audio signal encoder
US9319703B2 (en) 2012-10-08 2016-04-19 Qualcomm Incorporated Hypothetical reference decoder parameter syntax structure
US9350970B2 (en) 2012-12-14 2016-05-24 Qualcomm Incorporated Disparity vector derivation
US9715880B2 (en) 2013-02-21 2017-07-25 Dolby International Ab Methods for parametric multi-channel encoding
JP6158421B2 (ja) 2013-04-05 2017-07-05 ドルビー・インターナショナル・アーベー 先進量子化器
US9821908B2 (en) * 2013-06-07 2017-11-21 Bell Helicopter Textron Inc. System and method for assisting in rotor speed control
JP2016524191A (ja) * 2013-06-17 2016-08-12 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 異なる信号次元からのパラメータ・ベクトルの多段階量子化
US9530422B2 (en) 2013-06-27 2016-12-27 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
US9911423B2 (en) 2014-01-13 2018-03-06 Nokia Technologies Oy Multi-channel audio signal classifier
EP3201916B1 (de) * 2014-10-01 2018-12-05 Dolby International AB Audiocodierer und -decodierer
WO2016050854A1 (en) * 2014-10-02 2016-04-07 Dolby International Ab Decoding method and decoder for dialog enhancement
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
PT3539125T (pt) 2016-11-08 2023-01-27 Fraunhofer Ges Forschung Aparelho e método para codificar ou descodificar um sinal multicanal utilizando um ganho side e um ganho residual
BR112020011035A2 (pt) * 2017-11-17 2020-11-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. aparelho e método para codificar ou decodificar parâmetros de codificação de áudio direcional com o uso de diferentes resoluções de tempo frequência
GB2574239A (en) * 2018-05-31 2019-12-04 Nokia Technologies Oy Signalling of spatial audio parameters
US12009001B2 (en) 2018-10-31 2024-06-11 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
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
EP4165632A2 (de) * 2020-06-11 2023-04-19 Dolby Laboratories Licensing Corporation Quantisierung und entropiecodierung von parametern für einen audio-codec mit niedriger latenz
GB2598773A (en) * 2020-09-14 2022-03-16 Nokia Technologies Oy Quantizing spatial audio parameters
PT4226368T (pt) * 2020-10-05 2024-11-28 Nokia Technologies Oy Quantificação de parâmetros de áudio
WO2022200666A1 (en) * 2021-03-22 2022-09-29 Nokia Technologies Oy Combining spatial audio streams

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Also Published As

Publication number Publication date
EP1754222B1 (de) 2007-11-14
CN1993733A (zh) 2007-07-04
BRPI0605857A (pt) 2007-12-18
KR100878371B1 (ko) 2009-01-15
TWI327306B (en) 2010-07-11
US8054981B2 (en) 2011-11-08
CN1993733B (zh) 2010-12-08
DE602006000239D1 (de) 2007-12-27
RU2376655C2 (ru) 2009-12-20
JP4521032B2 (ja) 2010-08-11
DE602006000239T2 (de) 2008-09-18
PL1754222T3 (pl) 2008-04-30
MY141427A (en) 2010-04-30
HK1095993A1 (en) 2007-05-25
KR20070062502A (ko) 2007-06-15
US20070016416A1 (en) 2007-01-18
TW200703238A (en) 2007-01-16
ES2297825T3 (es) 2008-05-01
JP2008517339A (ja) 2008-05-22
WO2006111294A1 (en) 2006-10-26
EP1754222A1 (de) 2007-02-21
RU2007106874A (ru) 2008-08-27

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