PL4148729T3 - Urządzenie do próbkowania w dół sygnału audio - Google Patents

Urządzenie do próbkowania w dół sygnału audio

Info

Publication number
PL4148729T3
PL4148729T3 PL22203358.1T PL22203358T PL4148729T3 PL 4148729 T3 PL4148729 T3 PL 4148729T3 PL 22203358 T PL22203358 T PL 22203358T PL 4148729 T3 PL4148729 T3 PL 4148729T3
Authority
PL
Poland
Prior art keywords
downsampling
audio signal
audio
signal
Prior art date
Application number
PL22203358.1T
Other languages
English (en)
Inventor
Lars Villemoes
Per Ekstrand
Sascha Disch
Frederik Nagel
Stephan Wilde
Original Assignee
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Dolby International 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 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., Dolby International Ab filed Critical Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Publication of PL4148729T3 publication Critical patent/PL4148729T3/pl

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
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • G10L21/0232Processing in the frequency domain
    • 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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 subband decomposition
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/04Time compression or expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Auxiliary Devices For Music (AREA)
  • Networks Using Active Elements (AREA)
PL22203358.1T 2010-03-09 2011-03-04 Urządzenie do próbkowania w dół sygnału audio PL4148729T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31212710P 2010-03-09 2010-03-09

Publications (1)

Publication Number Publication Date
PL4148729T3 true PL4148729T3 (pl) 2025-05-26

Family

ID=43987731

Family Applications (4)

Application Number Title Priority Date Filing Date
PL11715452T PL2545553T3 (pl) 2010-03-09 2011-03-04 Urządzenie i sposób do przetwarzania sygnału audio z użyciem zrównania granicy obszaru
PL19179788.5T PL3570278T3 (pl) 2010-03-09 2011-03-04 Rekonstrukcja wysokiej częstotliwości wejściowego sygnału audio przy użyciu kaskadowych banków filtrów
PL22203358.1T PL4148729T3 (pl) 2010-03-09 2011-03-04 Urządzenie do próbkowania w dół sygnału audio
PL24209945.5T PL4475124T3 (pl) 2010-03-09 2011-03-04 Próbkowanie w dół sygnału audio

Family Applications Before (2)

Application Number Title Priority Date Filing Date
PL11715452T PL2545553T3 (pl) 2010-03-09 2011-03-04 Urządzenie i sposób do przetwarzania sygnału audio z użyciem zrównania granicy obszaru
PL19179788.5T PL3570278T3 (pl) 2010-03-09 2011-03-04 Rekonstrukcja wysokiej częstotliwości wejściowego sygnału audio przy użyciu kaskadowych banków filtrów

Family Applications After (1)

Application Number Title Priority Date Filing Date
PL24209945.5T PL4475124T3 (pl) 2010-03-09 2011-03-04 Próbkowanie w dół sygnału audio

Country Status (18)

Country Link
US (8) US9792915B2 (pl)
EP (6) EP3570278B1 (pl)
JP (2) JP5588025B2 (pl)
KR (2) KR101414736B1 (pl)
CN (2) CN102939628B (pl)
AR (2) AR080477A1 (pl)
AU (2) AU2011226212B2 (pl)
BR (5) BR112012022574B1 (pl)
CA (2) CA2792450C (pl)
ES (4) ES3058766T3 (pl)
HU (1) HUE070311T2 (pl)
MX (2) MX2012010416A (pl)
MY (1) MY154204A (pl)
PL (4) PL2545553T3 (pl)
RU (1) RU2586846C2 (pl)
SG (1) SG183967A1 (pl)
TW (2) TWI444991B (pl)
WO (2) WO2011110499A1 (pl)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP2362375A1 (en) * 2010-02-26 2011-08-31 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Apparatus and method for modifying an audio signal using harmonic locking
AU2011226212B2 (en) * 2010-03-09 2014-03-27 Dolby International Ab Apparatus and method for processing an input audio signal using cascaded filterbanks
JP5850216B2 (ja) * 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、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
US9093080B2 (en) 2010-06-09 2015-07-28 Panasonic Intellectual Property Corporation Of America Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatus
US8958510B1 (en) * 2010-06-10 2015-02-17 Fredric J. Harris Selectable bandwidth filter
JP6075743B2 (ja) 2010-08-03 2017-02-08 ソニー株式会社 信号処理装置および方法、並びにプログラム
IL317702A (en) 2010-09-16 2025-02-01 Dolby Int Ab Method and system for harmonic, block, subchannel, and enhanced transposition by rhetorical multiplication
US8620646B2 (en) * 2011-08-08 2013-12-31 The Intellisis Corporation System and method for tracking sound pitch across an audio signal using harmonic envelope
USRE48258E1 (en) 2011-11-11 2020-10-13 Dolby International Ab Upsampling using oversampled SBR
TWI478548B (zh) * 2012-05-09 2015-03-21 Univ Nat Pingtung Sci & Tech 對等網路串流傳輸方法
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
CN103915104B (zh) * 2012-12-31 2017-07-21 华为技术有限公司 信号带宽扩展方法和用户设备
US9530430B2 (en) * 2013-02-22 2016-12-27 Mitsubishi Electric Corporation Voice emphasis device
WO2014142576A1 (ko) * 2013-03-14 2014-09-18 엘지전자 주식회사 무선 통신 시스템에서 단말 간 직접 통신을 이용한 신호 수신 방법
WO2014153607A1 (en) * 2013-03-26 2014-10-02 Barratt Lachlan Paul Audio filtering with adjusted averaging curves
US9305031B2 (en) 2013-04-17 2016-04-05 International Business Machines Corporation Exiting windowing early for stream computing
JP6305694B2 (ja) * 2013-05-31 2018-04-04 クラリオン株式会社 信号処理装置及び信号処理方法
US9454970B2 (en) * 2013-07-03 2016-09-27 Bose Corporation Processing multichannel audio signals
EP2830054A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework
TWI548190B (zh) * 2013-08-12 2016-09-01 中心微電子德累斯頓股份公司 根據控制法則來控制功率轉換器的功率級之控制器及方法
CN105612510B (zh) * 2013-08-28 2018-11-13 兰德音频有限公司 用于使用语义数据执行自动音频制作的系统和方法
TWI557726B (zh) * 2013-08-29 2016-11-11 杜比國際公司 用於決定音頻信號的高頻帶信號的主比例因子頻帶表之系統和方法
KR102159990B1 (ko) 2013-09-17 2020-09-25 주식회사 윌러스표준기술연구소 멀티미디어 신호 처리 방법 및 장치
US10083708B2 (en) 2013-10-11 2018-09-25 Qualcomm Incorporated Estimation of mixing factors to generate high-band excitation signal
US10580417B2 (en) 2013-10-22 2020-03-03 Industry-Academic Cooperation Foundation, Yonsei University Method and apparatus for binaural rendering audio signal using variable order filtering in frequency domain
CN104681034A (zh) * 2013-11-27 2015-06-03 杜比实验室特许公司 音频信号处理
US9922660B2 (en) * 2013-11-29 2018-03-20 Sony Corporation Device for expanding frequency band of input signal via up-sampling
KR101627657B1 (ko) 2013-12-23 2016-06-07 주식회사 윌러스표준기술연구소 오디오 신호의 필터 생성 방법 및 이를 위한 파라메터화 장치
KR102356012B1 (ko) 2013-12-27 2022-01-27 소니그룹주식회사 복호화 장치 및 방법, 및 프로그램
KR101782917B1 (ko) 2014-03-19 2017-09-28 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
KR101856540B1 (ko) 2014-04-02 2018-05-11 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
US9306606B2 (en) * 2014-06-10 2016-04-05 The Boeing Company Nonlinear filtering using polyphase filter banks
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
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
EP2980794A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
KR101523559B1 (ko) * 2014-11-24 2015-05-28 가락전자 주식회사 토폴로지를 이용한 오디오 스트림 형성 장치 및 방법
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
TWI693595B (zh) * 2015-03-13 2020-05-11 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流
TWI879690B (zh) 2015-03-13 2025-04-01 瑞典商杜比國際公司 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體
WO2016180704A1 (en) 2015-05-08 2016-11-17 Dolby International Ab Dialog enhancement complemented with frequency transposition
KR101661713B1 (ko) * 2015-05-28 2016-10-04 제주대학교 산학협력단 파라메트릭 어레이 응용을 위한 변조 방법 및 장치
US9514766B1 (en) * 2015-07-08 2016-12-06 Continental Automotive Systems, Inc. Computationally efficient data rate mismatch compensation for telephony clocks
JP6797187B2 (ja) 2015-08-25 2020-12-09 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 オーディオ・デコーダおよびデコード方法
EP3353785B2 (en) * 2015-09-22 2021-09-22 Koninklijke Philips N.V. Audio signal processing
US10586553B2 (en) 2015-09-25 2020-03-10 Dolby Laboratories Licensing Corporation Processing high-definition audio data
EP3171362B1 (en) * 2015-11-19 2019-08-28 Harman Becker Automotive Systems GmbH Bass enhancement and separation of an audio signal into a harmonic and transient signal component
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
US10157621B2 (en) * 2016-03-18 2018-12-18 Qualcomm Incorporated Audio signal decoding
US10825467B2 (en) * 2017-04-21 2020-11-03 Qualcomm Incorporated Non-harmonic speech detection and bandwidth extension in a multi-source environment
US10848363B2 (en) * 2017-11-09 2020-11-24 Qualcomm Incorporated Frequency division multiplexing for mixed numerology
WO2019121982A1 (en) * 2017-12-19 2019-06-27 Dolby International Ab Methods and apparatus for unified speech and audio decoding qmf based harmonic transposer improvements
US11771779B2 (en) 2018-01-26 2023-10-03 Hadasit Medical Research Services & Development Limited Non-metallic magnetic resonance contrast agent
TWI869186B (zh) * 2018-01-26 2025-01-01 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
IL313391B2 (en) 2018-04-25 2025-05-01 Dolby Int Ab Integrating high-frequency audio restoration techniques
IL313348B2 (en) 2018-04-25 2025-08-01 Dolby Int Ab Integration of high frequency reconstruction techniques with reduced post-processing delay
US20230085013A1 (en) * 2020-01-28 2023-03-16 Hewlett-Packard Development Company, L.P. Multi-channel decomposition and harmonic synthesis
CN111768793B (zh) * 2020-07-11 2023-09-01 北京百瑞互联技术有限公司 一种lc3音频编码器编码优化方法、系统、存储介质
TWI834408B (zh) * 2022-12-02 2024-03-01 元智大學 兩階濾波器
WO2025201625A1 (en) * 2024-03-25 2025-10-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder and decoder

Family Cites Families (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55107313A (en) 1979-02-08 1980-08-18 Pioneer Electronic Corp Adjuster for audio quality
US5455888A (en) 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
US6766300B1 (en) 1996-11-07 2004-07-20 Creative Technology Ltd. Method and apparatus for transient detection and non-distortion time scaling
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
SE0001926D0 (sv) 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
JP4152192B2 (ja) 2001-04-13 2008-09-17 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション オーディオ信号の高品質タイムスケーリング及びピッチスケーリング
EP1351401B1 (en) 2001-07-13 2009-01-14 Panasonic Corporation Audio signal decoding device and audio signal encoding device
US6895375B2 (en) 2001-10-04 2005-05-17 At&T Corp. System for bandwidth extension of Narrow-band speech
US20030187663A1 (en) * 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
JP4227772B2 (ja) 2002-07-19 2009-02-18 日本電気株式会社 オーディオ復号装置と復号方法およびプログラム
JP4313993B2 (ja) 2002-07-19 2009-08-12 パナソニック株式会社 オーディオ復号化装置およびオーディオ復号化方法
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
KR100524065B1 (ko) * 2002-12-23 2005-10-26 삼성전자주식회사 시간-주파수 상관성을 이용한 개선된 오디오 부호화및/또는 복호화 방법과 그 장치
US7372907B2 (en) * 2003-06-09 2008-05-13 Northrop Grumman Corporation Efficient and flexible oversampled filterbank with near perfect reconstruction constraint
US20050018796A1 (en) * 2003-07-07 2005-01-27 Sande Ravindra Kumar Method of combining an analysis filter bank following a synthesis filter bank and structure therefor
US7337108B2 (en) 2003-09-10 2008-02-26 Microsoft Corporation System and method for providing high-quality stretching and compression of a digital audio signal
CN101556800B (zh) * 2003-10-23 2012-05-23 松下电器产业株式会社 音频频谱编解码方法和装置、声音信号发送和接收装置
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
ES2791001T3 (es) 2004-11-02 2020-10-30 Koninklijke Philips Nv Codificación y decodificación de señales de audio mediante el uso de bancos de filtros de valor complejo
CN1668058B (zh) * 2005-02-21 2011-06-15 南望信息产业集团有限公司 基于递归最小平方差的子带回声抵消器
EP1829424B1 (en) 2005-04-15 2009-01-21 Dolby Sweden AB Temporal envelope shaping of decorrelated signals
JP2007017628A (ja) 2005-07-06 2007-01-25 Matsushita Electric Ind Co Ltd 復号化装置
US7565289B2 (en) 2005-09-30 2009-07-21 Apple Inc. Echo avoidance in audio time stretching
JP4760278B2 (ja) 2005-10-04 2011-08-31 株式会社ケンウッド 補間装置、オーディオ再生装置、補間方法および補間プログラム
US9154875B2 (en) 2005-12-13 2015-10-06 Nxp B.V. Device for and method of processing an audio data stream
US7676374B2 (en) * 2006-03-28 2010-03-09 Nokia Corporation Low complexity subband-domain filtering in the case of cascaded filter banks
FR2910743B1 (fr) * 2006-12-22 2009-02-20 Thales Sa Banque de filtres numeriques cascadable, et circuit de reception comportant une telle banque de filtre en cascade.
WO2009078681A1 (en) * 2007-12-18 2009-06-25 Lg Electronics Inc. A method and an apparatus for processing an audio signal
CN101471072B (zh) * 2007-12-27 2012-01-25 华为技术有限公司 高频重建方法、编码装置和解码装置
DE102008015702B4 (de) 2008-01-31 2010-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Bandbreitenerweiterung eines Audiosignals
US9275652B2 (en) 2008-03-10 2016-03-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Device and method for manipulating an audio signal having a transient event
US9147902B2 (en) 2008-07-04 2015-09-29 Guangdong Institute of Eco-Environmental and Soil Sciences Microbial fuel cell stack
BRPI0904958B1 (pt) 2008-07-11 2020-03-03 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Aparelho e método para calcular dados de extensão de largura de banda usando um quadro controlado por inclinação espectral
RU2512090C2 (ru) * 2008-07-11 2014-04-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ генерирования сигнала с расширенной полосой пропускания
RU2494477C2 (ru) 2008-07-11 2013-09-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство и способ генерирования выходных данных расширения полосы пропускания
EP2224433B1 (en) * 2008-09-25 2020-05-27 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
PL4231295T3 (pl) * 2008-12-15 2024-05-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sposób dekodowania powiększania szerokości pasma audio oraz program komputerowy
WO2010086461A1 (en) 2009-01-28 2010-08-05 Dolby International Ab Improved harmonic transposition
EP2214165A3 (en) 2009-01-30 2010-09-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for manipulating an audio signal comprising a transient event
ES3051141T3 (en) * 2009-10-21 2025-12-26 Dolby Int Ab Oversampling in a combined transposer filter bank
US8321216B2 (en) 2010-02-23 2012-11-27 Broadcom Corporation Time-warping of audio signals for packet loss concealment avoiding audible artifacts
EP2545551B1 (en) 2010-03-09 2017-10-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Improved magnitude response and temporal alignment in phase vocoder based bandwidth extension for audio signals
AU2011226212B2 (en) * 2010-03-09 2014-03-27 Dolby International Ab Apparatus and method for processing an input audio signal using cascaded filterbanks

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