HK1095993A1 - Energy dependent quantization for efficient codingof spatial audio parameters - Google Patents

Energy dependent quantization for efficient codingof spatial audio parameters

Info

Publication number
HK1095993A1
HK1095993A1 HK07103451A HK07103451A HK1095993A1 HK 1095993 A1 HK1095993 A1 HK 1095993A1 HK 07103451 A HK07103451 A HK 07103451A HK 07103451 A HK07103451 A HK 07103451A HK 1095993 A1 HK1095993 A1 HK 1095993A1
Authority
HK
Hong Kong
Prior art keywords
channel
codingof
efficient
spatial audio
measure
Prior art date
Application number
HK07103451A
Other languages
English (en)
Inventor
Jonas Roeden
Jonas Engdegard
Heiko Purnhagen
Jeroen Breebaart
Erik Schuijers
Steven Van De Par
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
Publication of HK1095993A1 publication Critical patent/HK1095993A1/xx

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/03Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; 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)
HK07103451A 2005-04-19 2007-03-30 Energy dependent quantization for efficient codingof spatial audio parameters HK1095993A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US67294305P 2005-04-19 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 (1)

Publication Number Publication Date
HK1095993A1 true HK1095993A1 (en) 2007-05-25

Family

ID=36581679

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07103451A HK1095993A1 (en) 2005-04-19 2007-03-30 Energy dependent quantization for efficient codingof spatial audio parameters

Country Status (15)

Country Link
US (1) US8054981B2 (ru)
EP (1) EP1754222B1 (ru)
JP (1) JP4521032B2 (ru)
KR (1) KR100878371B1 (ru)
CN (1) CN1993733B (ru)
AT (1) ATE378675T1 (ru)
BR (1) BRPI0605857A (ru)
DE (1) DE602006000239T2 (ru)
ES (1) ES2297825T3 (ru)
HK (1) HK1095993A1 (ru)
MY (1) MY141427A (ru)
PL (1) PL1754222T3 (ru)
RU (1) RU2376655C2 (ru)
TW (1) TWI327306B (ru)
WO (1) WO2006111294A1 (ru)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8768691B2 (en) * 2005-03-25 2014-07-01 Panasonic Corporation Sound encoding device and sound encoding method
EP1943642A4 (en) * 2005-09-27 2009-07-01 Lg Electronics Inc METHOD AND DEVICE FOR CODING / DECODING A MULTI-CHANNEL AUDIO SIGNAL
KR20080071971A (ko) * 2006-03-30 2008-08-05 엘지전자 주식회사 미디어 신호 처리 방법 및 장치
WO2008069584A2 (en) * 2006-12-07 2008-06-12 Lg Electronics Inc. A method and an apparatus for decoding an audio signal
JP5404412B2 (ja) * 2007-11-01 2014-01-29 パナソニック株式会社 符号化装置、復号装置およびこれらの方法
WO2009125046A1 (en) * 2008-04-11 2009-10-15 Nokia Corporation Processing of signals
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
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
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
PL2740222T3 (pl) 2011-08-04 2015-08-31 Dolby Int Ab Usprawniony stereofoniczny radiowy odbiornik FM poprzez użycie stereo parametrycznego
EP2702587B1 (en) 2012-04-05 2015-04-01 Huawei Technologies Co., Ltd. Method for inter-channel difference estimation and spatial audio coding device
CN104509130B (zh) * 2012-05-29 2017-03-29 诺基亚技术有限公司 立体声音频信号编码器
US9380317B2 (en) * 2012-10-08 2016-06-28 Qualcomm Incorporated Identification of operation points applicable to nested SEI message in video coding
US9544566B2 (en) 2012-12-14 2017-01-10 Qualcomm Incorporated Disparity vector derivation
CN116665683A (zh) 2013-02-21 2023-08-29 杜比国际公司 用于参数化多声道编码的方法
KR102072365B1 (ko) * 2013-04-05 2020-02-03 돌비 인터네셔널 에이비 고급 양자화기
US9821908B2 (en) * 2013-06-07 2017-11-21 Bell Helicopter Textron Inc. System and method for assisting in rotor speed control
EP3011562A2 (en) * 2013-06-17 2016-04-27 Dolby Laboratories Licensing Corporation Multi-stage quantization of parameter vectors from disparate signal dimensions
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
JP6235725B2 (ja) * 2014-01-13 2017-11-22 ノキア テクノロジーズ オサケユイチア マルチ・チャンネル・オーディオ信号分類器
RU2696952C2 (ru) * 2014-10-01 2019-08-07 Долби Интернешнл Аб Аудиокодировщик и декодер
EP3201918B1 (en) * 2014-10-02 2018-12-12 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
ES2938244T3 (es) * 2016-11-08 2023-04-05 Fraunhofer Ges Forschung Aparato y procedimiento para codificar o decodificar una señal multicanal usando una ganancia lateral y una ganancia residual
GB2574239A (en) * 2018-05-31 2019-12-04 Nokia Technologies Oy Signalling of spatial audio parameters
FI3874492T3 (fi) * 2018-10-31 2024-01-08 Nokia Technologies Oy Spatiaalisten äänten parametrikoodauksen ja siihen liittyvän dekoodauksen määrittäminen
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU642540B2 (en) 1990-09-19 1993-10-21 Philips Electronics N.V. Record carrier on which a main data file and a control file have been recorded, method of and device for recording the main data file and the control file, and device for reading the record carrier
KR970011727B1 (en) * 1994-11-09 1997-07-14 Daewoo Electronics Co Ltd Apparatus for encoding of the audio signal
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
EP1451809A1 (en) * 2001-11-23 2004-09-01 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
DE60317203T2 (de) 2002-07-12 2008-08-07 Koninklijke Philips Electronics N.V. Audio-kodierung
JP4431568B2 (ja) 2003-02-11 2010-03-17 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 音声符号化
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
CA2533119A1 (en) * 2003-07-24 2005-02-03 Qiagen Gmbh Method for the reverse transcription and/or amplification of nucleic acids

Also Published As

Publication number Publication date
US20070016416A1 (en) 2007-01-18
CN1993733A (zh) 2007-07-04
RU2007106874A (ru) 2008-08-27
BRPI0605857A (pt) 2007-12-18
TWI327306B (en) 2010-07-11
RU2376655C2 (ru) 2009-12-20
EP1754222A1 (en) 2007-02-21
JP4521032B2 (ja) 2010-08-11
US8054981B2 (en) 2011-11-08
CN1993733B (zh) 2010-12-08
DE602006000239D1 (de) 2007-12-27
KR100878371B1 (ko) 2009-01-15
ES2297825T3 (es) 2008-05-01
WO2006111294A1 (en) 2006-10-26
DE602006000239T2 (de) 2008-09-18
TW200703238A (en) 2007-01-16
EP1754222B1 (en) 2007-11-14
JP2008517339A (ja) 2008-05-22
PL1754222T3 (pl) 2008-04-30
KR20070062502A (ko) 2007-06-15
ATE378675T1 (de) 2007-11-15
MY141427A (en) 2010-04-30

Similar Documents

Publication Publication Date Title
HK1095993A1 (en) Energy dependent quantization for efficient codingof spatial audio parameters
TW200737127A (en) Reduced number of channels decoding
EP1735775B8 (en) Method for representing multi-channel audio signals
CN105164749B (zh) 多声道音频的混合编码
AU2006340728A1 (en) Enhanced method for signal shaping in multi-channel audio reconstruction
PL1866911T3 (pl) Skalowalne, wielokanałowe kodowanie dźwięku
TW200701822A (en) Multi-channel hierarchical audio coding with compact side-information
HK1106606A1 (en) Stereo compatible multi-channel audio coding
PL1866912T3 (pl) Kodowanie wielokanałowego sygnału audio
BR0304540A (pt) Métodos para codificar um sinal de áudio, e para decodificar um sinal de áudio codificado, codificador para codificar um sinal de áudio, aparelho para fornecer um sinal de áudio, sinal de áudio codificado, meio de armazenagem, e, decodificador para decodificar um sinal de áudio codificado
IL190765A (en) A method for improved time and space design of multichannel audio signals
MY163042A (en) Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering
MY154100A (en) Method and apparatus to encode and decode an audio/speech signal
SG144743A1 (en) Conversion of synthesized spectral components for encoding and low- complexity transcoding
MY166169A (en) Audio signal encoder,audio signal decoder,method for encoding or decoding an audio signal using an aliasing-cancellation
EP2028648A3 (en) Multi-channel audio encoding and decoding
WO2010008175A3 (ko) 음성/오디오 통합 신호의 부호화/복호화 장치
HK1111855A1 (en) Device and method for generating an encoded stereo signal
CA2900724A1 (en) Companding apparatus and method to reduce quantization noise using advanced spectral extension
TW200746045A (en) Method for encoding and decoding multi-channel audio signal and apparatus thereof
WO2008126382A1 (ja) 符号化装置および符号化方法
WO2009048239A3 (en) Encoding and decoding method using variable subband analysis and apparatus thereof
ATE511691T1 (de) Auf virtuellen quellenpositionsinformationen basierte quantisierung und dequantisierung von kanalniveauunterschieden
TW200603074A (en) Audio coding device and method
AU2002249824A1 (en) Partial encryption of assembled bitstreams