ES2629025T3 - Codificador y descodificador de audio - Google Patents

Codificador y descodificador de audio Download PDF

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Publication number
ES2629025T3
ES2629025T3 ES14725736.4T ES14725736T ES2629025T3 ES 2629025 T3 ES2629025 T3 ES 2629025T3 ES 14725736 T ES14725736 T ES 14725736T ES 2629025 T3 ES2629025 T3 ES 2629025T3
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ES
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entropy
vector
encoded
index value
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ES14725736.4T
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English (en)
Spanish (es)
Inventor
Leif Jonas SAMUELSSON
Heiko Purnhagen
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Dolby International AB
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Dolby International AB
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    • 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
    • G10L19/0017Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/032Quantisation or dequantisation of spectral components
    • G10L19/038Vector quantisation, e.g. TwinVQ audio
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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
    • G10L19/032Quantisation or dequantisation of spectral components
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)
  • Stereophonic System (AREA)
ES14725736.4T 2013-05-24 2014-05-23 Codificador y descodificador de audio Active ES2629025T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361827264P 2013-05-24 2013-05-24
US201361827264P 2013-05-24
PCT/EP2014/060731 WO2014187988A2 (en) 2013-05-24 2014-05-23 Audio encoder and decoder

Publications (1)

Publication Number Publication Date
ES2629025T3 true ES2629025T3 (es) 2017-08-07

Family

ID=50771514

Family Applications (3)

Application Number Title Priority Date Filing Date
ES14725736.4T Active ES2629025T3 (es) 2013-05-24 2014-05-23 Codificador y descodificador de audio
ES19193266T Active ES2902518T3 (es) 2013-05-24 2014-05-23 Codificador de audio
ES21198240T Active ES2965423T3 (es) 2013-05-24 2014-05-23 Codificador de audio

Family Applications After (2)

Application Number Title Priority Date Filing Date
ES19193266T Active ES2902518T3 (es) 2013-05-24 2014-05-23 Codificador de audio
ES21198240T Active ES2965423T3 (es) 2013-05-24 2014-05-23 Codificador de audio

Country Status (18)

Country Link
US (8) US9704493B2 (cg-RX-API-DMAC7.html)
EP (5) EP3961622B1 (cg-RX-API-DMAC7.html)
JP (7) JP6105159B2 (cg-RX-API-DMAC7.html)
KR (10) KR102384348B1 (cg-RX-API-DMAC7.html)
CN (2) CN105229729B (cg-RX-API-DMAC7.html)
AU (1) AU2014270301B2 (cg-RX-API-DMAC7.html)
BR (1) BR112015029031B1 (cg-RX-API-DMAC7.html)
CA (5) CA3251568A1 (cg-RX-API-DMAC7.html)
DK (1) DK3005350T3 (cg-RX-API-DMAC7.html)
ES (3) ES2629025T3 (cg-RX-API-DMAC7.html)
IL (1) IL242410B (cg-RX-API-DMAC7.html)
MX (3) MX350117B (cg-RX-API-DMAC7.html)
MY (2) MY173644A (cg-RX-API-DMAC7.html)
PL (1) PL3005350T3 (cg-RX-API-DMAC7.html)
RU (3) RU2676041C1 (cg-RX-API-DMAC7.html)
SG (2) SG10201710019SA (cg-RX-API-DMAC7.html)
UA (1) UA112833C2 (cg-RX-API-DMAC7.html)
WO (1) WO2014187988A2 (cg-RX-API-DMAC7.html)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9666198B2 (en) 2013-05-24 2017-05-30 Dolby International Ab Reconstruction of audio scenes from a downmix
EP3005355B1 (en) 2013-05-24 2017-07-19 Dolby International AB Coding of audio scenes
ES2640815T3 (es) 2013-05-24 2017-11-06 Dolby International Ab Codificación eficiente de escenas de audio que comprenden objetos de audio
ES2629025T3 (es) 2013-05-24 2017-08-07 Dolby International Ab Codificador y descodificador de audio
RU2634422C2 (ru) 2013-05-24 2017-10-27 Долби Интернешнл Аб Эффективное кодирование звуковых сцен, содержащих звуковые объекты
JP6396452B2 (ja) 2013-10-21 2018-09-26 ドルビー・インターナショナル・アーベー オーディオ・エンコーダおよびデコーダ
EP3127109B1 (en) 2014-04-01 2018-03-14 Dolby International AB Efficient coding of audio scenes comprising audio objects
GB2528460B (en) 2014-07-21 2018-05-30 Gurulogic Microsystems Oy Encoder, decoder and method
EP3320539A1 (en) * 2015-07-06 2018-05-16 Nokia Technologies OY Bit error detector for an audio signal decoder
US10249312B2 (en) 2015-10-08 2019-04-02 Qualcomm Incorporated Quantization of spatial vectors
US9961475B2 (en) * 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from object-based audio to HOA
KR102546098B1 (ko) * 2016-03-21 2023-06-22 한국전자통신연구원 블록 기반의 오디오 부호화/복호화 장치 및 그 방법
CN107886960B (zh) * 2016-09-30 2020-12-01 华为技术有限公司 一种音频信号重建方法及装置
CN116324979A (zh) * 2020-09-28 2023-06-23 三星电子株式会社 音频编码装置和方法,以及音频解码装置和方法
US12259827B2 (en) * 2023-01-31 2025-03-25 Avago Technologies International Sales Pte. Limited Systems and methods for address scrambling

Family Cites Families (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5470801A (en) 1977-11-16 1979-06-07 Mitsubishi Monsanto Chem Sound shielding plate
JPS615159A (ja) 1984-06-16 1986-01-10 株式会社アイジー技術研究所 サイデイングボ−ド
DE4423612A1 (de) 1994-07-06 1996-01-11 Basf Ag 2-[(Dihydro)pyrazolyl-3'-oxymethylen]-anilide, Verfahren zu ihrer Herstelung und ihre Verwendung
EP1345331B1 (en) * 2000-12-22 2008-08-20 Sony Corporation Encoder
JP4008244B2 (ja) * 2001-03-02 2007-11-14 松下電器産業株式会社 符号化装置および復号化装置
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
JP2003110429A (ja) * 2001-09-28 2003-04-11 Sony Corp 符号化方法及び装置、復号方法及び装置、伝送方法及び装置、並びに記録媒体
JP3982397B2 (ja) 2001-11-28 2007-09-26 日本ビクター株式会社 可変長符号化データ復号化用プログラム及び可変長符号化データ受信用プログラム
US7263692B2 (en) * 2003-06-30 2007-08-28 Intel Corporation System and method for software-pipelining of loops with sparse matrix routines
US7912122B2 (en) 2004-01-20 2011-03-22 Panasonic Corporation Picture coding method, picture decoding method, picture coding apparatus, picture decoding apparatus
US7895034B2 (en) * 2004-09-17 2011-02-22 Digital Rise Technology Co., Ltd. Audio encoding system
US20060080090A1 (en) 2004-10-07 2006-04-13 Nokia Corporation Reusing codebooks in parameter quantization
EP1691348A1 (en) 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
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
TWI396188B (zh) 2005-08-02 2013-05-11 Dolby Lab Licensing Corp 依聆聽事件之函數控制空間音訊編碼參數的技術
KR20070037945A (ko) 2005-10-04 2007-04-09 삼성전자주식회사 오디오 신호의 부호화/복호화 방법 및 장치
KR100857121B1 (ko) 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US8271274B2 (en) 2006-02-22 2012-09-18 France Telecom Coding/decoding of a digital audio signal, in CELP technique
EP1989707A2 (fr) * 2006-02-24 2008-11-12 France Telecom Procede de codage binaire d'indices de quantification d'une enveloppe d'un signal, procede de decodage d'une enveloppe d'un signal et modules de codage et decodage correspondants
WO2008046531A1 (en) * 2006-10-16 2008-04-24 Dolby Sweden Ab Enhanced coding and parameter representation of multichannel downmixed object coding
US7953595B2 (en) 2006-10-18 2011-05-31 Polycom, Inc. Dual-transform coding of audio signals
CA2729752C (en) 2008-07-10 2018-06-05 Voiceage Corporation Multi-reference lpc filter quantization and inverse quantization device and method
PL4407613T3 (pl) 2008-07-11 2025-09-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekoder audio
MX2011003824A (es) 2008-10-08 2011-05-02 Fraunhofer Ges Forschung Esquema de codificacion/decodificacion de audio conmutado de resolucion multiple.
EP2214161A1 (en) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for upmixing a downmix audio signal
US8194862B2 (en) 2009-07-31 2012-06-05 Activevideo Networks, Inc. Video game system with mixing of independent pre-encoded digital audio bitstreams
UA48138U (ru) 2009-08-31 2010-03-10 Винницкий Национальный Технический Университет Способ направленного поиска векторов при уплотнении языковых сигналов
KR101710113B1 (ko) 2009-10-23 2017-02-27 삼성전자주식회사 위상 정보와 잔여 신호를 이용한 부호화/복호화 장치 및 방법
US9117458B2 (en) 2009-11-12 2015-08-25 Lg Electronics Inc. Apparatus for processing an audio signal and method thereof
US8505001B2 (en) 2009-12-17 2013-08-06 Broadcom Corporation Method and system for utilizing data flow graphs to compile shaders
EP2543039B1 (en) 2010-03-02 2018-11-28 Telefonaktiebolaget LM Ericsson (publ) Source code adaption based on communication link quality and source coding delay.
JP5814340B2 (ja) 2010-04-09 2015-11-17 ドルビー・インターナショナル・アーベー Mdctベース複素予測ステレオ符号化
ES2950751T3 (es) 2010-04-13 2023-10-13 Fraunhofer Ges Forschung Codificador de audio o vídeo, decodificador de audio o vídeo y métodos relacionados para procesar señales de audio o vídeo multicanal usando una dirección de predicción variable
US9112591B2 (en) 2010-04-16 2015-08-18 Samsung Electronics Co., Ltd. Apparatus for encoding/decoding multichannel signal and method thereof
KR101798079B1 (ko) * 2010-05-10 2017-11-16 삼성전자주식회사 픽셀값의 차분을 이용하여 영상 프레임을 부호화하는 방법 및 이를 위한 장치
US8660195B2 (en) 2010-08-10 2014-02-25 Qualcomm Incorporated Using quantized prediction memory during fast recovery coding
US9111526B2 (en) * 2010-10-25 2015-08-18 Qualcomm Incorporated Systems, method, apparatus, and computer-readable media for decomposition of a multichannel music signal
CA2832032C (en) * 2011-04-20 2019-09-24 Panasonic Corporation Device and method for execution of huffman coding
IN2014CN03413A (cg-RX-API-DMAC7.html) * 2011-11-01 2015-07-03 Koninkl Philips Nv
US9223376B2 (en) * 2012-03-23 2015-12-29 Qualcomm Incorporated Managing electrical current in a portable computing device when two or more communications overlap in drawing power during a transmission
EP3748632A1 (en) * 2012-07-09 2020-12-09 Koninklijke Philips N.V. Encoding and decoding of audio signals
ES2629025T3 (es) * 2013-05-24 2017-08-07 Dolby International Ab Codificador y descodificador de audio

Also Published As

Publication number Publication date
JP2021179627A (ja) 2021-11-18
KR102192245B1 (ko) 2020-12-17
JP2020016884A (ja) 2020-01-30
SG11201509001YA (en) 2015-12-30
EP3961622B1 (en) 2023-11-01
CA2990261C (en) 2020-06-16
EP3252757A1 (en) 2017-12-06
SG10201710019SA (en) 2018-01-30
US10714104B2 (en) 2020-07-14
KR20200013091A (ko) 2020-02-05
KR20240151867A (ko) 2024-10-18
MY173644A (en) 2020-02-13
CA3077876C (en) 2022-08-09
JP7585379B2 (ja) 2024-11-18
CN110085238A (zh) 2019-08-02
IL242410B (en) 2018-11-29
CN105229729B (zh) 2019-03-19
KR20200145837A (ko) 2020-12-30
EP3605532A1 (en) 2020-02-05
KR20210060660A (ko) 2021-05-26
KR102072777B1 (ko) 2020-02-03
US20160111098A1 (en) 2016-04-21
JP2017102484A (ja) 2017-06-08
WO2014187988A2 (en) 2014-11-27
UA112833C2 (uk) 2016-10-25
EP3961622A1 (en) 2022-03-02
JP2025028867A (ja) 2025-03-05
KR20220045259A (ko) 2022-04-12
KR20170087971A (ko) 2017-07-31
EP3005350B1 (en) 2017-05-10
KR102384348B1 (ko) 2022-04-08
CN110085238B (zh) 2023-06-02
DK3005350T3 (en) 2017-07-17
CA3251568A1 (en) 2025-02-24
JP2025100674A (ja) 2025-07-03
RU2015155311A (ru) 2017-06-30
MY199032A (en) 2023-10-10
ES2902518T3 (es) 2022-03-28
US9940939B2 (en) 2018-04-10
WO2014187988A3 (en) 2015-02-05
AU2014270301B2 (en) 2017-08-03
CA2990261A1 (en) 2014-11-27
EP4290510A3 (en) 2024-02-14
CA2911746C (en) 2018-02-13
JP2016526186A (ja) 2016-09-01
US20210390963A1 (en) 2021-12-16
EP4290510B1 (en) 2025-11-05
RU2676041C1 (ru) 2018-12-25
US20230282219A1 (en) 2023-09-07
KR20160013154A (ko) 2016-02-03
JP6105159B2 (ja) 2017-03-29
US10418038B2 (en) 2019-09-17
BR112015029031A2 (pt) 2017-07-25
AU2014270301A1 (en) 2015-11-19
KR102572382B1 (ko) 2023-09-01
MX375380B (es) 2025-03-06
US20200411017A1 (en) 2020-12-31
US20170309279A1 (en) 2017-10-26
KR102715092B1 (ko) 2024-10-11
JP2023076575A (ja) 2023-06-01
EP3252757B1 (en) 2019-12-25
KR101763131B1 (ko) 2017-07-31
RU2710909C1 (ru) 2020-01-14
MX2015015926A (es) 2016-04-06
PL3005350T3 (pl) 2017-09-29
RU2643489C2 (ru) 2018-02-01
JP7258086B2 (ja) 2023-04-14
ES2965423T3 (es) 2024-04-15
CA3077876A1 (en) 2014-11-27
CA2911746A1 (en) 2014-11-27
KR101895198B1 (ko) 2018-09-07
JP6573640B2 (ja) 2019-09-11
US20200013415A1 (en) 2020-01-09
US20180240465A1 (en) 2018-08-23
HK1217246A1 (en) 2016-12-30
CA3163664C (en) 2025-07-08
KR102280461B1 (ko) 2021-07-22
MX2020010038A (es) 2020-10-14
KR20230129576A (ko) 2023-09-08
US11024320B2 (en) 2021-06-01
BR112015029031B1 (pt) 2021-02-23
CA3163664A1 (en) 2014-11-27
US20250356860A1 (en) 2025-11-20
EP3605532B1 (en) 2021-09-29
KR20220148314A (ko) 2022-11-04
EP3005350A2 (en) 2016-04-13
KR102459010B1 (ko) 2022-10-27
JP6920382B2 (ja) 2021-08-18
MX350117B (es) 2017-08-28
US12236961B2 (en) 2025-02-25
KR20180099942A (ko) 2018-09-05
RU2019141091A (ru) 2021-06-15
US11594233B2 (en) 2023-02-28
CN105229729A (zh) 2016-01-06
US9704493B2 (en) 2017-07-11
EP4290510A2 (en) 2023-12-13

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