MX347936B - Decodificador y codificador de audio. - Google Patents

Decodificador y codificador de audio.

Info

Publication number
MX347936B
MX347936B MX2015011145A MX2015011145A MX347936B MX 347936 B MX347936 B MX 347936B MX 2015011145 A MX2015011145 A MX 2015011145A MX 2015011145 A MX2015011145 A MX 2015011145A MX 347936 B MX347936 B MX 347936B
Authority
MX
Mexico
Prior art keywords
decoder
audio encoder
channel audio
audio signal
decoding
Prior art date
Application number
MX2015011145A
Other languages
English (en)
Other versions
MX2015011145A (es
Inventor
Heiko Purnhagen
Kristofer Kjoerling
Harald Mundt
Leif Sehlstrom
Karl Jonas Roeden
Original Assignee
Dolby Int 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 Dolby Int Ab filed Critical Dolby Int Ab
Publication of MX2015011145A publication Critical patent/MX2015011145A/es
Publication of MX347936B publication Critical patent/MX347936B/es

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
    • G10L19/04—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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • G10L19/0212—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 orthogonal transformation
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Error Detection And Correction (AREA)

Abstract

La presente divulgación proporciona métodos, dispositivos y productos de programas informáticos para codificar y decodificar una señal de audio multicanal a base de una señal de entrada. De acuerdo a la divulgación, se utiliza un enfoque híbrido de usar tanto la codificación estérea paramétrica como la representación discreta de la señal de audio multicanal procesada que puede mejorar la calidad del audio codificada y decodificada para ciertas velocidades de bits.
MX2015011145A 2013-04-05 2014-04-04 Decodificador y codificador de audio. MX347936B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361808680P 2013-04-05 2013-04-05
PCT/EP2014/056852 WO2014161992A1 (en) 2013-04-05 2014-04-04 Audio encoder and decoder

Publications (2)

Publication Number Publication Date
MX2015011145A MX2015011145A (es) 2016-01-12
MX347936B true MX347936B (es) 2017-05-19

Family

ID=50439393

Family Applications (4)

Application Number Title Priority Date Filing Date
MX2019012711A MX391551B (es) 2013-04-05 2014-04-04 Decodificador y codificador de audio
MX2017006575A MX369023B (es) 2013-04-05 2014-04-04 Decodificador y codificador de audio.
MX2015011145A MX347936B (es) 2013-04-05 2014-04-04 Decodificador y codificador de audio.
MX2022004397A MX2022004397A (es) 2013-04-05 2015-08-27 Decodificador y codificador de audio.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
MX2019012711A MX391551B (es) 2013-04-05 2014-04-04 Decodificador y codificador de audio
MX2017006575A MX369023B (es) 2013-04-05 2014-04-04 Decodificador y codificador de audio.

Family Applications After (1)

Application Number Title Priority Date Filing Date
MX2022004397A MX2022004397A (es) 2013-04-05 2015-08-27 Decodificador y codificador de audio.

Country Status (20)

Country Link
US (7) US9489957B2 (es)
EP (3) EP3627506B1 (es)
JP (8) JP6031201B2 (es)
KR (7) KR102094129B1 (es)
CN (2) CN105308680B (es)
AU (1) AU2014247001B2 (es)
BR (7) BR122017006819B1 (es)
CA (1) CA2900743C (es)
DK (1) DK2954519T3 (es)
ES (2) ES2748939T3 (es)
HU (1) HUE031660T2 (es)
IL (1) IL240117A0 (es)
MX (4) MX391551B (es)
MY (4) MY185848A (es)
PL (1) PL2954519T3 (es)
RU (2) RU2641265C1 (es)
SG (1) SG11201506139YA (es)
TW (1) TWI546799B (es)
UA (1) UA113117C2 (es)
WO (1) WO2014161992A1 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI546799B (zh) 2013-04-05 2016-08-21 杜比國際公司 音頻編碼器及解碼器
WO2015007774A1 (de) 2013-07-18 2015-01-22 Basf Se Vereinzelung einer polyarylenetherlösung
KR102244612B1 (ko) * 2014-04-21 2021-04-26 삼성전자주식회사 무선 통신 시스템에서 음성 데이터를 송신 및 수신하기 위한 장치 및 방법
EP2980795A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
EP3067887A1 (en) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal
EP3285257A4 (en) 2015-06-17 2018-03-07 Samsung Electronics Co., Ltd. Method and device for processing internal channels for low complexity format conversion
MY181992A (en) 2016-01-22 2021-01-18 Fraunhofer Ges Forschung Apparatus and method for encoding or decoding a multi-channel signal using spectral-domain resampling
US10146500B2 (en) * 2016-08-31 2018-12-04 Dts, Inc. Transform-based audio codec and method with subband energy smoothing
US10339947B2 (en) 2017-03-22 2019-07-02 Immersion Networks, Inc. System and method for processing audio data
EP3588495A1 (en) 2018-06-22 2020-01-01 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Multichannel audio coding
KR20220054645A (ko) 2019-09-03 2022-05-03 돌비 레버러토리즈 라이쎈싱 코오포레이션 저지연, 저주파 효과 코덱
TWI882003B (zh) * 2020-09-03 2025-05-01 美商杜拜研究特許公司 低延遲、低頻率效應之編碼解碼器

Family Cites Families (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5459B2 (es) 1973-12-20 1979-01-05
IT1044736B (it) * 1975-04-23 1980-04-21 Cselt Centro Studi Lab Telecom Sistema numerico per la trasmissione dei canali di due fasci modulati a impulsi codificati alla velocita di un solo fascio
JP2000122679A (ja) * 1998-10-15 2000-04-28 Sony Corp 音声帯域拡張方法及び装置、音声合成方法及び装置
JP3677185B2 (ja) * 1999-11-29 2005-07-27 株式会社東芝 符号分割多重伝送方式と送信装置及び受信装置
SE0004187D0 (sv) * 2000-11-15 2000-11-15 Coding Technologies Sweden Ab Enhancing the performance of coding systems that use high frequency reconstruction methods
US7292901B2 (en) * 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
CN1279512C (zh) * 2001-11-29 2006-10-11 编码技术股份公司 用于改善高频重建的方法和装置
US20030220800A1 (en) 2002-05-21 2003-11-27 Budnikov Dmitry N. Coding multichannel audio signals
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
CA3026267C (en) 2004-03-01 2019-04-16 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters
EP1895512A3 (en) 2004-04-05 2014-09-17 Koninklijke Philips N.V. Multi-channel encoder
JP4950040B2 (ja) 2004-06-21 2012-06-13 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 マルチチャンネルオーディオ信号を符号化及び復号する方法及び装置
EP1768107B1 (en) * 2004-07-02 2016-03-09 Panasonic Intellectual Property Corporation of America Audio signal decoding device
US7573912B2 (en) * 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
ES2313646T3 (es) 2005-03-30 2009-03-01 Koninklijke Philips Electronics N.V. Codificacion y descodificacion de audio.
JP2006323037A (ja) * 2005-05-18 2006-11-30 Matsushita Electric Ind Co Ltd オーディオ信号復号化装置
JP4918490B2 (ja) * 2005-09-02 2012-04-18 パナソニック株式会社 エネルギー整形装置及びエネルギー整形方法
US7974713B2 (en) * 2005-10-12 2011-07-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Temporal and spatial shaping of multi-channel audio signals
US20080255859A1 (en) * 2005-10-20 2008-10-16 Lg Electronics, Inc. Method for Encoding and Decoding Multi-Channel Audio Signal and Apparatus Thereof
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
ATE527833T1 (de) 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
JP2010503881A (ja) * 2006-09-13 2010-02-04 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 音声・音響送信器及び受信器のための方法及び装置
KR101435893B1 (ko) * 2006-09-22 2014-09-02 삼성전자주식회사 대역폭 확장 기법 및 스테레오 부호화 기법을 이용한오디오 신호의 부호화/복호화 방법 및 장치
JP5141180B2 (ja) * 2006-11-09 2013-02-13 ソニー株式会社 周波数帯域拡大装置及び周波数帯域拡大方法、再生装置及び再生方法、並びに、プログラム及び記録媒体
KR101405972B1 (ko) 2007-07-02 2014-06-12 엘지전자 주식회사 방송 수신기 및 방송신호 처리방법
US8295494B2 (en) * 2007-08-13 2012-10-23 Lg Electronics Inc. Enhancing audio with remixing capability
MX2010003807A (es) 2007-10-09 2010-07-28 Koninkl Philips Electronics Nv Metodo y aparato para generar una señal de audio binaural.
WO2009068087A1 (en) * 2007-11-27 2009-06-04 Nokia Corporation Multichannel audio coding
CA2708861C (en) * 2007-12-18 2016-06-21 Lg Electronics Inc. A method and an apparatus for processing an audio signal
WO2009084914A1 (en) * 2008-01-01 2009-07-09 Lg Electronics Inc. A method and an apparatus for processing an audio signal
EP2250641B1 (en) * 2008-03-04 2011-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus for mixing a plurality of input data streams
PL2304723T3 (pl) * 2008-07-11 2013-03-29 Fraunhofer Ges Forschung Urządzenie i sposób dekodowania zakodowanego sygnału audio
EP2146344B1 (en) * 2008-07-17 2016-07-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding/decoding scheme having a switchable bypass
TWI413109B (zh) * 2008-10-01 2013-10-21 Dolby Lab Licensing Corp 用於上混系統之解相關器
US20100223061A1 (en) 2009-02-27 2010-09-02 Nokia Corporation Method and Apparatus for Audio Coding
WO2010097748A1 (en) 2009-02-27 2010-09-02 Koninklijke Philips Electronics N.V. Parametric stereo encoding and decoding
BR122019023877B1 (pt) * 2009-03-17 2021-08-17 Dolby International Ab Sistema codificador, sistema decodificador, método para codificar um sinal estéreo para um sinal de fluxo de bits e método para decodificar um sinal de fluxo de bits para um sinal estéreo
CN103325374B (zh) 2009-04-08 2017-06-06 弗劳恩霍夫应用研究促进协会 使用相位值平滑对下混频音频信号进行上混频的装置、方法和计算机程序
KR20110018107A (ko) 2009-08-17 2011-02-23 삼성전자주식회사 레지듀얼 신호 인코딩 및 디코딩 방법 및 장치
EP2483887B1 (en) * 2009-09-29 2017-07-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mpeg-saoc audio signal decoder, method for providing an upmix signal representation using mpeg-saoc decoding and computer program using a time/frequency-dependent common inter-object-correlation parameter value
EP4571739A1 (en) * 2009-10-20 2025-06-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellation
CN102257567B (zh) * 2009-10-21 2014-05-07 松下电器产业株式会社 音响信号处理装置、音响编码装置及音响解码装置
KR101710113B1 (ko) * 2009-10-23 2017-02-27 삼성전자주식회사 위상 정보와 잔여 신호를 이용한 부호화／복호화 장치 및 방법
CA2793320C (en) * 2010-04-09 2016-07-12 Dolby International Ab Mdct-based complex prediction stereo coding
EP2375409A1 (en) 2010-04-09 2011-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction
BR112012026324B1 (pt) 2010-04-13 2021-08-17 Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E. V Codificador de aúdio ou vídeo, decodificador de aúdio ou vídeo e métodos relacionados para o processamento do sinal de aúdio ou vídeo de múltiplos canais usando uma direção de previsão variável
MX2013002188A (es) 2010-08-25 2013-03-18 Fraunhofer Ges Forschung Aparato para generar una señal decorrelacionada utilizando informacion de fase transmitida.
EP2477188A1 (en) 2011-01-18 2012-07-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of slot positions of events in an audio signal frame
KR101742136B1 (ko) * 2011-03-18 2017-05-31 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 콘텐츠를 표현하는 비트스트림의 프레임들 내의 프레임 요소 배치
FR2973551A1 (fr) 2011-03-29 2012-10-05 France Telecom Allocation par sous-bandes de bits de quantification de parametres d'information spatiale pour un codage parametrique
WO2012146757A1 (en) 2011-04-28 2012-11-01 Dolby International Ab Efficient content classification and loudness estimation
WO2012158333A1 (en) 2011-05-19 2012-11-22 Dolby Laboratories Licensing Corporation Forensic detection of parametric audio coding schemes
US9166864B1 (en) * 2012-01-18 2015-10-20 Google Inc. Adaptive streaming for legacy media frameworks
CN116741187A (zh) * 2013-04-05 2023-09-12 杜比国际公司 立体声音频编码器和解码器
TWI546799B (zh) * 2013-04-05 2016-08-21 杜比國際公司 音頻編碼器及解碼器
EP2830065A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency
US9685164B2 (en) * 2014-03-31 2017-06-20 Qualcomm Incorporated Systems and methods of switching coding technologies at a device

Also Published As

Publication number Publication date
JP7413418B2 (ja) 2024-01-15
JP2024038139A (ja) 2024-03-19
CN109410966A (zh) 2019-03-01
BR122022004786A8 (pt) 2022-09-06
SG11201506139YA (en) 2015-09-29
TWI546799B (zh) 2016-08-21
EP3627506A1 (en) 2020-03-25
EP3171361B1 (en) 2019-07-24
AU2014247001A1 (en) 2015-08-13
BR122022004787B1 (pt) 2022-10-18
US11830510B2 (en) 2023-11-28
JP6537683B2 (ja) 2019-07-03
MY204463A (en) 2024-08-29
KR102142837B1 (ko) 2020-08-28
JP2026048669A (ja) 2026-03-17
US10438602B2 (en) 2019-10-08
TW201505024A (zh) 2015-02-01
HUE031660T2 (en) 2017-07-28
KR102094129B1 (ko) 2020-03-30
KR101763129B1 (ko) 2017-07-31
BR112015019711A2 (pt) 2017-07-18
AU2014247001B2 (en) 2015-08-27
BR122020017065B1 (pt) 2022-03-22
CN105308680A (zh) 2016-02-03
MX369023B (es) 2019-10-25
JP7778768B2 (ja) 2025-12-02
BR122022004784B8 (pt) 2022-09-13
MY185848A (en) 2021-06-14
EP2954519A1 (en) 2015-12-16
IL240117A0 (en) 2015-09-24
JP6808781B2 (ja) 2021-01-06
CA2900743C (en) 2016-08-16
BR122021004537B1 (pt) 2022-03-22
CN105308680B (zh) 2019-03-19
EP2954519B1 (en) 2017-02-01
US12293768B2 (en) 2025-05-06
JP6031201B2 (ja) 2016-11-24
MY183360A (en) 2021-02-18
PL2954519T3 (pl) 2017-06-30
KR20170087529A (ko) 2017-07-28
US20240153517A1 (en) 2024-05-09
JP2021047450A (ja) 2021-03-25
RU2641265C1 (ru) 2018-01-16
US20160012825A1 (en) 2016-01-14
JP2022068353A (ja) 2022-05-09
JP2016513287A (ja) 2016-05-12
JP2019191596A (ja) 2019-10-31
CA2900743A1 (en) 2014-10-09
ES2619117T3 (es) 2017-06-23
KR20220044609A (ko) 2022-04-08
BR122022004784B1 (pt) 2022-06-07
US20220059110A1 (en) 2022-02-24
US9489957B2 (en) 2016-11-08
MX2015011145A (es) 2016-01-12
BR122017006819A2 (pt) 2019-09-03
JP2017078858A (ja) 2017-04-27
KR20240038819A (ko) 2024-03-25
KR20200033988A (ko) 2020-03-30
MY196084A (en) 2023-03-14
US20200098381A1 (en) 2020-03-26
MX391551B (es) 2025-03-21
BR122022004787A8 (pt) 2022-09-06
KR102201951B1 (ko) 2021-01-12
DK2954519T3 (en) 2017-03-20
JP6377110B2 (ja) 2018-08-22
EP3171361A1 (en) 2017-05-24
EP3627506B1 (en) 2024-09-18
US20250329339A1 (en) 2025-10-23
KR20210005315A (ko) 2021-01-13
RU2602988C1 (ru) 2016-11-20
KR20150113976A (ko) 2015-10-08
WO2014161992A1 (en) 2014-10-09
MX2022004397A (es) 2022-06-16
JP2018185536A (ja) 2018-11-22
US9728199B2 (en) 2017-08-08
US11114107B2 (en) 2021-09-07
US20160343383A1 (en) 2016-11-24
ES2748939T3 (es) 2020-03-18
BR122022004786A2 (es) 2017-07-18
BR122022004787A2 (es) 2017-07-18
KR102380370B1 (ko) 2022-04-01
BR122022004786B1 (pt) 2022-10-04
HK1213080A1 (en) 2016-06-24
JP7033182B2 (ja) 2022-03-09
US20170301362A1 (en) 2017-10-19
BR112015019711B1 (pt) 2022-04-26
BR122017006819B1 (pt) 2022-07-26
UA113117C2 (xx) 2016-12-12
MX2019012711A (es) 2019-12-16
KR20200096328A (ko) 2020-08-11
CN109410966B (zh) 2023-08-29

Similar Documents

Publication Publication Date Title
EP4300488A3 (en) Stereo audio encoder and decoder
MX347936B (es) Decodificador y codificador de audio.
MX357667B (es) Codificador de audio, decodificador de audio, metodos y programa de computacion usando señales residuales codificadas conjuntamente.
MX354657B (es) Codificador de audio, decodificador de audio y métodos relacionados que usan procesamiento de dos canales dentro de un marco de relleno inteligente de espacios.
MX347062B (es) Codificador de audio, decodificador de audio, método para proveer una información de audio codificada, método para proveer una información de audio decodificada, programa de computación y representación codificada utilizando una ampliación de ancho de banda adaptada por la señal.
MY199366A (en) Mdct-based complex prediction stereo decoding
MX2016000902A (es) Descodificador de audio multicanal, codificacor de audio multicanal, metodos, programa de computadora y representacion de audio codificada usando una decorrelacion de señales de audio renderizadas.
ZA202204764B (en) Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
EP4425489A3 (en) Enhanced soundfield coding using parametric component generation
MY176779A (en) Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder
EP2752845A3 (en) Methods for encoding and decoding multi-channel audio signal
MY176406A (en) Encoder, decoder, system and method employing a residual concept for parametric audio object coding
EP4439552A3 (en) Method and device for quantization of linear prediction coefficient and method and device for inverse quantization
MX360729B (es) Decodificador de audio, método y programa de computación que utiliza una respuesta de entrada cero para obtener una transición suave.
ZA201600080B (en) Apparatus and method for audio signal envelope encoding, processing and decoding by splitting the audio signal envelope employing distribution quantization and coding
TH170345A (th) ตัวเข้ารหัสและตัวถอดรหัสเสียงออดิโอ
TH1501004234A (th) ตัวถอดรหัสสำหรับการสร้างสัญญาณเสียงที่ได้รับการปรับปรุงความถี่ วิธีการของการ ถอดรหัสตัวเข้ารหัสสำหรับการสร้างสัญญาณที่ได้รับการเข้ารหัส และวิธีการของการ เข้ารหัสที่ใช้สารสนเทศข้างเคียงการเลือกบีบอัด

Legal Events

Date Code Title Description
FG Grant or registration