[go: up one dir, main page]

BRPI0917762A2 - codificador de áudio e decodificador de extensão de largura de banda - Google Patents

codificador de áudio e decodificador de extensão de largura de banda

Info

Publication number
BRPI0917762A2
BRPI0917762A2 BRPI0917762A BRPI0917762A BRPI0917762A2 BR PI0917762 A2 BRPI0917762 A2 BR PI0917762A2 BR PI0917762 A BRPI0917762 A BR PI0917762A BR PI0917762 A BRPI0917762 A BR PI0917762A BR PI0917762 A2 BRPI0917762 A2 BR PI0917762A2
Authority
BR
Brazil
Prior art keywords
audio encoder
bandwidth extension
extension decoder
decoder
bandwidth
Prior art date
Application number
BRPI0917762A
Other languages
English (en)
Inventor
Christian Griebel
Frederik Nagel
Guillaume Fuchs
Jürgen Herre
Sascha Disch
Original Assignee
Fraunhofer Ges Forschung
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 Ges Forschung filed Critical Fraunhofer Ges Forschung
Priority to BR122015019030A priority Critical patent/BR122015019030B1/pt
Publication of BRPI0917762A2 publication Critical patent/BRPI0917762A2/pt
Publication of BRPI0917762B1 publication Critical patent/BRPI0917762B1/pt

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
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • 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
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04—Time compression or expansion
    • 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Circuits Of Receivers In General (AREA)
  • Stereophonic System (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
BRPI0917762-0A 2008-12-15 2009-12-11 Codificador de áudio e decodificador de extensão de largura de banda BRPI0917762B1 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR122015019030A BR122015019030B1 (pt) 2008-12-15 2009-12-11 codificador de audio e decodificador de extensão de largura de banda

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12255208P 2008-12-15 2008-12-15
US61/122,552 2008-12-15
PCT/EP2009/066980 WO2010069885A1 (en) 2008-12-15 2009-12-11 Audio encoder and bandwidth extension decoder

Publications (2)

Publication Number Publication Date
BRPI0917762A2 true BRPI0917762A2 (pt) 2016-07-26
BRPI0917762B1 BRPI0917762B1 (pt) 2020-09-29

Family

ID=42104496

Family Applications (2)

Application Number Title Priority Date Filing Date
BR122015019030A BR122015019030B1 (pt) 2008-12-15 2009-12-11 codificador de audio e decodificador de extensão de largura de banda
BRPI0917762-0A BRPI0917762B1 (pt) 2008-12-15 2009-12-11 Codificador de áudio e decodificador de extensão de largura de banda

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BR122015019030A BR122015019030B1 (pt) 2008-12-15 2009-12-11 codificador de audio e decodificador de extensão de largura de banda

Country Status (16)

Country Link
US (13) US8401862B2 (pt)
EP (12) EP4231290B1 (pt)
JP (3) JP2012512437A (pt)
KR (2) KR101424944B1 (pt)
CN (1) CN102246231B (pt)
AU (1) AU2009328247B9 (pt)
BR (2) BR122015019030B1 (pt)
CA (5) CA2908550C (pt)
DK (1) DK3364414T3 (pt)
ES (12) ES2613941T3 (pt)
HU (9) HUE064775T2 (pt)
MX (1) MX2011006163A (pt)
PL (12) PL2945159T3 (pt)
PT (3) PT2359366T (pt)
TR (1) TR201808500T4 (pt)
WO (1) WO2010069885A1 (pt)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6992481B2 (en) 2003-05-29 2006-01-31 Timex Group B. V. Method for compensating for predictable generated signals in an electronic device
EP4231290B1 (en) * 2008-12-15 2023-11-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio bandwidth extension decoder, corresponding method and computer program
EP4451267B1 (en) * 2009-10-21 2025-04-23 Dolby International AB Oversampling in a combined transposer filter bank
PL2545551T3 (pl) 2010-03-09 2018-03-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Poprawiona charakterystyka amplitudowa i zrównanie czasowe w powiększaniu szerokości pasma na bazie wokodera fazowego dla sygnałów audio
BR112012022577B1 (pt) 2010-03-09 2021-06-29 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Aparelho e método para manipular eventos sonoros transientes em sinais de áudio ao alterar a velocidade ou tom da repetição
KR101414736B1 (ko) 2010-03-09 2014-08-06 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 캐스케이드 필터뱅크들을 이용한 입력 오디오 신호를 처리하는 장치 및 방법
FR2961938B1 (fr) * 2010-06-25 2013-03-01 Inst Nat Rech Inf Automat Synthetiseur numerique audio ameliore
US8560330B2 (en) * 2010-07-19 2013-10-15 Futurewei Technologies, Inc. Energy envelope perceptual correction for high band coding
JP5714180B2 (ja) 2011-05-19 2015-05-07 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 パラメトリックオーディオコーディング方式の鑑識検出
US20130006644A1 (en) * 2011-06-30 2013-01-03 Zte Corporation Method and device for spectral band replication, and method and system for audio decoding
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
EP2860729A4 (en) * 2012-06-04 2016-03-02 Samsung Electronics Co Ltd AUDIOCODING METHOD AND DEVICE, AUDIO DECODING METHOD AND DEVICE AND MULTIMEDIA DEVICE THEREWITH
KR101990884B1 (ko) * 2012-09-04 2019-06-19 에스케이 텔레콤주식회사 이종망 간의 통신품질 향상 방법 및 장치
EP2709106A1 (en) 2012-09-17 2014-03-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating a bandwidth extended signal from a bandwidth limited audio signal
US9258428B2 (en) * 2012-12-18 2016-02-09 Cisco Technology, Inc. Audio bandwidth extension for conferencing
EP2950308B1 (en) * 2013-01-22 2020-02-19 Panasonic Corporation Bandwidth expansion parameter-generator, encoder, decoder, bandwidth expansion parameter-generating method, encoding method, and decoding method
PL3070713T3 (pl) 2013-01-29 2018-07-31 Fraunhofer Ges Forschung Koder audio, dekoder audio, sposób dostarczania zakodowanej informacji audio, sposób dostarczania zdekodowanej informacji audio, program komputerowy i zakodowana reprezentacja, stosujące adaptacyjne względem sygnału powiększanie szerokości pasma
CN103971694B (zh) 2013-01-29 2016-12-28 华为技术有限公司 带宽扩展频带信号的预测方法、解码设备
KR101757349B1 (ko) 2013-01-29 2017-07-14 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. 부대역들의 시간적 평활을 이용하여 주파수 향상 신호를 발생시키는 장치 및 방법
EP2981959B1 (en) 2013-04-05 2018-07-25 Dolby International AB Audio encoder and decoder for interleaved waveform coding
CN104217727B (zh) * 2013-05-31 2017-07-21 华为技术有限公司 信号解码方法及设备
EP2830059A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Noise filling energy adjustment
US10083708B2 (en) 2013-10-11 2018-09-25 Qualcomm Incorporated Estimation of mixing factors to generate high-band excitation signal
EP2871641A1 (en) * 2013-11-12 2015-05-13 Dialog Semiconductor B.V. Enhancement of narrowband audio signals using a single sideband AM modulation
RU2764260C2 (ru) 2013-12-27 2022-01-14 Сони Корпорейшн Устройство и способ декодирования
KR102340151B1 (ko) * 2014-01-07 2021-12-17 하만인터내셔날인더스트리스인코포레이티드 신호 품질-기반 압축 오디오 신호 향상 및 보상
FR3017484A1 (fr) * 2014-02-07 2015-08-14 Orange Extension amelioree de bande de frequence dans un decodeur de signaux audiofrequences
MX367639B (es) * 2014-03-31 2019-08-29 Fraunhofer Ges Forschung Codificador, decodificador, método de codificación, método de decodificación y programa.
US9984699B2 (en) * 2014-06-26 2018-05-29 Qualcomm Incorporated High-band signal coding using mismatched frequency ranges
EP2963646A1 (en) 2014-07-01 2016-01-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder and method for decoding an audio signal, encoder and method for encoding an audio signal
JP2016038435A (ja) * 2014-08-06 2016-03-22 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
US9875756B2 (en) * 2014-12-16 2018-01-23 Psyx Research, Inc. System and method for artifact masking
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
US10847170B2 (en) 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
KR101677137B1 (ko) * 2015-07-17 2016-11-17 국방과학연구소 변조 스펙트로그램을 이용한 수중 방사체의 데몬 및 lofar 특징을 동시 추출하는 방법 및 장치
EP3182411A1 (en) 2015-12-14 2017-06-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing an encoded audio signal
US20170178648A1 (en) * 2015-12-18 2017-06-22 Dolby International Ab Enhanced Block Switching and Bit Allocation for Improved Transform Audio Coding
WO2017158105A1 (en) * 2016-03-18 2017-09-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding by reconstructing phase information using a structure tensor on audio spectrograms
KR102721794B1 (ko) * 2016-11-18 2024-10-25 삼성전자주식회사 신호 처리 프로세서 및 신호 처리 프로세서의 제어 방법
TWI752166B (zh) 2017-03-23 2022-01-11 瑞典商都比國際公司 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合
EP3382703A1 (en) * 2017-03-31 2018-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and methods for processing an audio signal
GB2562253B (en) * 2017-05-09 2021-11-03 Imagination Tech Ltd Efficient detection of ranging code correlation function of a GNSS signal
US10896684B2 (en) * 2017-07-28 2021-01-19 Fujitsu Limited Audio encoding apparatus and audio encoding method
CN109729585B (zh) * 2017-10-27 2022-04-15 成都鼎桥通信技术有限公司 网络处理方法和装置
TWI834582B (zh) 2018-01-26 2024-03-01 瑞典商都比國際公司 用於執行一音訊信號之高頻重建之方法、音訊處理單元及非暫時性電腦可讀媒體
EP4485457A1 (en) 2019-08-20 2025-01-01 Dolby International AB Multi-lag format for audio coding
US11158297B2 (en) * 2020-01-13 2021-10-26 International Business Machines Corporation Timbre creation system
EP4211701A4 (en) * 2020-09-09 2024-09-11 Sparrow Acoustics Inc. METHOD AND SYSTEM FOR PERFORMING TIME DOMAIN PROCESSING OF A WAVEFORM SIGNAL
US20240323044A1 (en) * 2021-01-22 2024-09-26 Arris Enterprises Llc Hybrid fiber-coaxial networks
US20230110255A1 (en) * 2021-10-12 2023-04-13 Zoom Video Communications, Inc. Audio super resolution
WO2024050673A1 (zh) * 2022-09-05 2024-03-14 北京小米移动软件有限公司 一种音频信号频带扩展方法、装置、设备及存储介质

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512908A (en) 1947-10-16 1950-06-27 Mina M Arndt Telephone switchboard mounting plate with plug-in components
US5455888A (en) 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
US6449596B1 (en) 1996-02-08 2002-09-10 Matsushita Electric Industrial Co., Ltd. Wideband audio signal encoding apparatus that divides wide band audio data into a number of sub-bands of numbers of bits for quantization based on noise floor information
JPH10124088A (ja) 1996-10-24 1998-05-15 Sony Corp 音声帯域幅拡張装置及び方法
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
US6549884B1 (en) * 1999-09-21 2003-04-15 Creative Technology Ltd. Phase-vocoder pitch-shifting
US7742927B2 (en) * 2000-04-18 2010-06-22 France Telecom Spectral enhancing method and device
SE0001926D0 (sv) * 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
SE0004187D0 (sv) 2000-11-15 2000-11-15 Coding Technologies Sweden Ab Enhancing the performance of coding systems that use high frequency reconstruction methods
JP2003108197A (ja) * 2001-07-13 2003-04-11 Matsushita Electric Ind Co Ltd オーディオ信号復号化装置およびオーディオ信号符号化装置
MXPA03002115A (es) 2001-07-13 2003-08-26 Matsushita Electric Ind Co Ltd DISPOSITIVO DE DECODIFICACION Y CODIFICACION DE SEnAL DE AUDIO.
US6895375B2 (en) 2001-10-04 2005-05-17 At&T Corp. System for bandwidth extension of Narrow-band speech
EP1423847B1 (en) 2001-11-29 2005-02-02 Coding Technologies AB Reconstruction of high frequency components
US20040002844A1 (en) 2002-06-27 2004-01-01 Jess Jochen A.G. System and method for statistical modeling and statistical timing analysis of integrated circuits
US8090577B2 (en) 2002-08-08 2012-01-03 Qualcomm Incorported Bandwidth-adaptive quantization
JP3861770B2 (ja) 2002-08-21 2006-12-20 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
DE10328777A1 (de) 2003-06-25 2005-01-27 Coding Technologies Ab Vorrichtung und Verfahren zum Codieren eines Audiosignals und Vorrichtung und Verfahren zum Decodieren eines codierten Audiosignals
CN100590712C (zh) * 2003-09-16 2010-02-17 松下电器产业株式会社 编码装置和译码装置
DE10345996A1 (de) 2003-10-02 2005-04-28 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Verarbeiten von wenigstens zwei Eingangswerten
DE10345995B4 (de) 2003-10-02 2005-07-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Verarbeiten eines Signals mit einer Sequenz von diskreten Werten
JP4254479B2 (ja) * 2003-10-27 2009-04-15 ヤマハ株式会社 オーディオ帯域拡張再生装置
DE102004046746B4 (de) * 2004-09-27 2007-03-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Synchronisieren von Zusatzdaten und Basisdaten
KR20070084002A (ko) * 2004-11-05 2007-08-24 마츠시타 덴끼 산교 가부시키가이샤 스케일러블 복호화 장치 및 스케일러블 부호화 장치
DE602005013906D1 (de) * 2005-01-31 2009-05-28 Harman Becker Automotive Sys Bandbreitenerweiterung eines schmalbandigen akustischen Signals
JP4604864B2 (ja) 2005-06-14 2011-01-05 沖電気工業株式会社 帯域拡張装置及び不足帯域信号生成器
US7953605B2 (en) * 2005-10-07 2011-05-31 Deepen Sinha Method and apparatus for audio encoding and decoding using wideband psychoacoustic modeling and bandwidth extension
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US20080004866A1 (en) * 2006-06-30 2008-01-03 Nokia Corporation Artificial Bandwidth Expansion Method For A Multichannel Signal
JP5083779B2 (ja) * 2006-10-25 2012-11-28 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン オーディオ副帯値を生成する装置及び方法、並びに、時間領域オーディオサンプルを生成する装置及び方法
JP2008158300A (ja) * 2006-12-25 2008-07-10 Sony Corp 信号処理装置、信号処理方法、再生装置、再生方法、電子機器
US7912729B2 (en) * 2007-02-23 2011-03-22 Qnx Software Systems Co. High-frequency bandwidth extension in the time domain
DE102008015702B4 (de) 2008-01-31 2010-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Bandbreitenerweiterung eines Audiosignals
CN102789785B (zh) * 2008-03-10 2016-08-17 弗劳恩霍夫应用研究促进协会 操纵具有瞬变事件的音频信号的方法和设备
US7977562B2 (en) * 2008-06-20 2011-07-12 Microsoft Corporation Synthesized singing voice waveform generator
US8880410B2 (en) * 2008-07-11 2014-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating a bandwidth extended signal
MX2011000372A (es) * 2008-07-11 2011-05-19 Fraunhofer Ges Forschung Sintetizador de señales de audio y codificador de señales de audio.
WO2010036061A2 (en) * 2008-09-25 2010-04-01 Lg Electronics Inc. An apparatus for processing an audio signal and method thereof
WO2010036062A2 (en) * 2008-09-25 2010-04-01 Lg Electronics Inc. A method and an apparatus for processing a signal
EP4231290B1 (en) * 2008-12-15 2023-11-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio bandwidth extension decoder, corresponding method and computer program
ES2639716T3 (es) * 2009-01-28 2017-10-30 Dolby International Ab Transposición armónica mejorada
EP4451267B1 (en) * 2009-10-21 2025-04-23 Dolby International AB Oversampling in a combined transposer filter bank
AU2011263191B2 (en) * 2010-06-09 2016-06-16 Panasonic Intellectual Property Corporation Of America Bandwidth Extension Method, Bandwidth Extension Apparatus, Program, Integrated Circuit, and Audio Decoding Apparatus
AU2012220369C1 (en) 2011-02-25 2017-12-14 Mobile Pipe Solutions Limited Mobile plastics extrusion plant
CN105976830B (zh) * 2013-01-11 2019-09-20 华为技术有限公司 音频信号编码和解码方法、音频信号编码和解码装置
US9666202B2 (en) * 2013-09-10 2017-05-30 Huawei Technologies Co., Ltd. Adaptive bandwidth extension and apparatus for the same

Also Published As

Publication number Publication date
CN102246231A (zh) 2011-11-16
US11741978B2 (en) 2023-08-29
US9058802B2 (en) 2015-06-16
EP4224475C0 (en) 2023-10-11
BR122015019030A2 (pt) 2019-08-27
EP4231293A1 (en) 2023-08-23
EP4231293B1 (en) 2023-11-15
ES2968886T3 (es) 2024-05-14
EP4231292B1 (en) 2023-11-15
EP4231293C0 (en) 2023-11-15
PT2359366T (pt) 2017-01-20
PL4224475T3 (pl) 2024-03-18
PL4231290T3 (pl) 2024-04-02
US20230049083A1 (en) 2023-02-16
EP4231294B1 (en) 2023-11-15
EP4231291C0 (en) 2023-11-15
ES2968884T3 (es) 2024-05-14
US20230053046A1 (en) 2023-02-16
AU2009328247B2 (en) 2013-06-06
US11631418B2 (en) 2023-04-18
WO2010069885A1 (en) 2010-06-24
HUE064774T2 (hu) 2024-04-28
PT2945159T (pt) 2018-06-26
PL2945159T3 (pl) 2018-08-31
EP4224474C0 (en) 2023-11-01
EP4231290B1 (en) 2023-11-15
BRPI0917762B1 (pt) 2020-09-29
HUE064620T2 (hu) 2024-04-28
EP4231292C0 (en) 2023-11-15
HUE064653T2 (hu) 2024-04-28
EP4231291A1 (en) 2023-08-23
US20230051135A1 (en) 2023-02-16
EP4231294A1 (en) 2023-08-23
MX2011006163A (es) 2011-11-02
EP2945159A1 (en) 2015-11-18
KR20130133914A (ko) 2013-12-09
US20230041923A1 (en) 2023-02-09
PT3364414T (pt) 2022-07-04
ES2921059T3 (es) 2022-08-17
US20210151063A1 (en) 2021-05-20
KR101424944B1 (ko) 2014-08-01
EP4053838B1 (en) 2023-06-21
US10229696B2 (en) 2019-03-12
PL4224474T3 (pl) 2024-04-02
PL4231292T3 (pl) 2024-04-02
EP2359366B1 (en) 2016-11-02
ES2968852T3 (es) 2024-05-14
PL4231293T3 (pl) 2024-04-08
US20110288873A1 (en) 2011-11-24
AU2009328247B9 (en) 2013-12-05
US20230072871A1 (en) 2023-03-09
HUE064777T2 (hu) 2024-04-28
TR201808500T4 (tr) 2018-07-23
EP4231290A1 (en) 2023-08-23
US11705146B2 (en) 2023-07-18
CA2908550C (en) 2018-02-13
US11626124B2 (en) 2023-04-11
US20190156845A1 (en) 2019-05-23
EP4231291B1 (en) 2023-11-15
JP5970014B2 (ja) 2016-08-17
EP4231295C0 (en) 2024-02-21
PL4231295T3 (pl) 2024-05-06
CN102246231B (zh) 2013-07-10
EP4224475A1 (en) 2023-08-09
US8401862B2 (en) 2013-03-19
US20230377590A1 (en) 2023-11-23
EP4231292A1 (en) 2023-08-23
HUE064767T2 (hu) 2024-04-28
CA2989886A1 (en) 2010-06-24
HUE065515T2 (hu) 2024-05-28
JP6076407B2 (ja) 2017-02-08
CA2908847A1 (en) 2010-06-24
US11646043B2 (en) 2023-05-09
CA2908576C (en) 2018-11-27
ES2968885T3 (es) 2024-05-14
JP2015187747A (ja) 2015-10-29
BR122015019030B1 (pt) 2020-05-05
ES2978009T3 (es) 2024-09-04
ES2613941T3 (es) 2017-05-29
EP4231295A1 (en) 2023-08-23
EP4231290C0 (en) 2023-11-15
EP4231295B1 (en) 2024-02-21
HUE064775T2 (hu) 2024-04-28
EP3364414B1 (en) 2022-04-13
PL4053838T3 (pl) 2023-11-13
US20150243293A1 (en) 2015-08-27
PL2359366T3 (pl) 2017-04-28
PL4231294T3 (pl) 2024-04-08
US20230037621A1 (en) 2023-02-09
EP4053838C0 (en) 2023-06-21
US11664039B2 (en) 2023-05-30
CA2746837A1 (en) 2010-06-24
EP4053838A1 (en) 2022-09-07
US10937437B2 (en) 2021-03-02
EP4224474B1 (en) 2023-11-01
ES2966659T3 (es) 2024-04-23
CA2746837C (en) 2016-09-20
ES2976382T3 (es) 2024-07-31
KR20110095354A (ko) 2011-08-24
CA2908847C (en) 2018-02-13
EP4224475B1 (en) 2023-10-11
ES2974285T3 (es) 2024-06-26
JP2012512437A (ja) 2012-05-31
US20130185082A1 (en) 2013-07-18
HUE064771T2 (hu) 2024-04-28
JP2014142653A (ja) 2014-08-07
DK3364414T3 (da) 2022-06-27
AU2009328247A1 (en) 2011-07-07
HK1259024A1 (en) 2019-11-22
EP2945159B1 (en) 2018-03-21
CA2908576A1 (en) 2010-06-24
ES2674386T3 (es) 2018-06-29
EP4231294C0 (en) 2023-11-15
EP4224474A1 (en) 2023-08-09
KR101369267B1 (ko) 2014-03-04
EP3364414A1 (en) 2018-08-22
CA2908550A1 (en) 2010-06-24
EP2359366A1 (en) 2011-08-24
US11594237B2 (en) 2023-02-28
PL3364414T3 (pl) 2022-08-16
PL4231291T3 (pl) 2024-04-15
CA2989886C (en) 2020-05-05
HK1217810A1 (en) 2017-01-20
ES2951163T3 (es) 2023-10-18
HUE064773T2 (hu) 2024-04-28
US11670316B2 (en) 2023-06-06
US20230032124A1 (en) 2023-02-02

Similar Documents

Publication Publication Date Title
BRPI0917762A2 (pt) codificador de áudio e decodificador de extensão de largura de banda
EP4224471C0 (en) AUDIO ENCODER AND AUDIO DECODER
EP4235660C0 (en) AUDIO DECODER
BRPI1010165A2 (pt) codificador de extensão de largura de banda, decodificador de extensão de largura de banda e codificador de voz de fase
BRPI0816557A2 (pt) codificação de áudio usando upmix
EP2211553A4 (en) CODIER AND DECODER
EP2287836A4 (en) ENCODER, DECODER AND METHOD THEREFOR
BRPI0918042A2 (pt) intensificação de reprodução de múltiplos canais de áudio
BRPI0814129A2 (pt) Dispositivo de codificação de áudio e método de codificação de áudio
HK40114881A (en) Audio encoder and decoder
HK40113560A (en) Audio encoder and decoder
BRPI0909151A2 (pt) aparelho de codificação e decodificação de vídeo
PT3937167T (pt) Codificador de áudio e descodificador de áudio
FR2920630B1 (fr) Decodeur de television numerique
ES1067459Y (es) Grabador-reproductor digital de sonidos autofijable
SE0602469L (sv) Audiokabel

Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 29/09/2020, OBSERVADAS AS CONDICOES LEGAIS.