DK1342230T3 - Forbedring af den perceptuelle præstation af fremgangsmåder til höjfrekvensrekonstruktionskodning ved adaptiv filtrering - Google Patents

Forbedring af den perceptuelle præstation af fremgangsmåder til höjfrekvensrekonstruktionskodning ved adaptiv filtrering

Info

Publication number
DK1342230T3
DK1342230T3 DK01983041T DK01983041T DK1342230T3 DK 1342230 T3 DK1342230 T3 DK 1342230T3 DK 01983041 T DK01983041 T DK 01983041T DK 01983041 T DK01983041 T DK 01983041T DK 1342230 T3 DK1342230 T3 DK 1342230T3
Authority
DK
Denmark
Prior art keywords
high frequency
adaptive filtering
improving
frequency reconstruction
coding methods
Prior art date
Application number
DK01983041T
Other languages
English (en)
Inventor
Kristofer Kjoerling
Per Ekstrand
Fredrik Henn
Lars Villemoes
Original Assignee
Coding Tech 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20281813&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK1342230(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Coding Tech Ab filed Critical Coding Tech Ab
Application granted granted Critical
Publication of DK1342230T3 publication Critical patent/DK1342230T3/da

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Amplifiers (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Networks Using Active Elements (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Filters And Equalizers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DK01983041T 2000-11-14 2001-11-13 Forbedring af den perceptuelle præstation af fremgangsmåder til höjfrekvensrekonstruktionskodning ved adaptiv filtrering DK1342230T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0004163A SE0004163D0 (sv) 2000-11-14 2000-11-14 Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering

Publications (1)

Publication Number Publication Date
DK1342230T3 true DK1342230T3 (da) 2004-08-02

Family

ID=20281813

Family Applications (1)

Application Number Title Priority Date Filing Date
DK01983041T DK1342230T3 (da) 2000-11-14 2001-11-13 Forbedring af den perceptuelle præstation af fremgangsmåder til höjfrekvensrekonstruktionskodning ved adaptiv filtrering

Country Status (14)

Country Link
US (2) US7003451B2 (da)
EP (1) EP1342230B1 (da)
JP (2) JP3954495B2 (da)
KR (1) KR100517229B1 (da)
CN (2) CN1267890C (da)
AT (1) ATE264533T1 (da)
AU (1) AU2002214496A1 (da)
DE (1) DE60102838T2 (da)
DK (1) DK1342230T3 (da)
ES (1) ES2215935T3 (da)
HK (1) HK1056429A1 (da)
PT (1) PT1342230E (da)
SE (1) SE0004163D0 (da)
WO (1) WO2002041301A1 (da)

Families Citing this family (100)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7742927B2 (en) * 2000-04-18 2010-06-22 France Telecom Spectral enhancing method and device
SE0004163D0 (sv) * 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US20030108108A1 (en) * 2001-11-15 2003-06-12 Takashi Katayama Decoder, decoding method, and program distribution medium therefor
US7469206B2 (en) 2001-11-29 2008-12-23 Coding Technologies Ab Methods for improving high frequency reconstruction
US20030187663A1 (en) * 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
JP4296752B2 (ja) 2002-05-07 2009-07-15 ソニー株式会社 符号化方法及び装置、復号方法及び装置、並びにプログラム
KR100462615B1 (ko) * 2002-07-11 2004-12-20 삼성전자주식회사 적은 계산량으로 고주파수 성분을 복원하는 오디오 디코딩방법 및 장치
CN1328707C (zh) * 2002-07-19 2007-07-25 日本电气株式会社 音频解码设备以及解码方法
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
EP1543307B1 (en) * 2002-09-19 2006-02-22 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus and method
KR100917464B1 (ko) * 2003-03-07 2009-09-14 삼성전자주식회사 대역 확장 기법을 이용한 디지털 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치
US7844451B2 (en) * 2003-09-16 2010-11-30 Panasonic Corporation Spectrum coding/decoding apparatus and method for reducing distortion of two band spectrums
WO2005027095A1 (ja) * 2003-09-16 2005-03-24 Matsushita Electric Industrial Co., Ltd. 符号化装置および復号化装置
EP1675908B1 (en) * 2003-10-07 2008-12-17 Coloplast A/S Composition useful as an adhesive ans use of such a composition
JP4741476B2 (ja) * 2004-04-23 2011-08-03 パナソニック株式会社 符号化装置
KR100608062B1 (ko) * 2004-08-04 2006-08-02 삼성전자주식회사 오디오 데이터의 고주파수 복원 방법 및 그 장치
KR101194902B1 (ko) * 2005-02-24 2012-10-25 파나소닉 주식회사 데이터 재생장치
EP1864281A1 (en) 2005-04-01 2007-12-12 QUALCOMM Incorporated Systems, methods, and apparatus for highband burst suppression
PL1875463T3 (pl) 2005-04-22 2019-03-29 Qualcomm Incorporated Układy, sposoby i urządzenie do wygładzania współczynnika wzmocnienia
US7548853B2 (en) * 2005-06-17 2009-06-16 Shmunk Dmitry V Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
DK1742509T3 (da) * 2005-07-08 2013-11-04 Oticon As Et system og en fremgangsmåde til eliminering af feedback og støj i et høreapparat
US8121836B2 (en) * 2005-07-11 2012-02-21 Lg Electronics Inc. Apparatus and method of processing an audio signal
US8396717B2 (en) 2005-09-30 2013-03-12 Panasonic Corporation Speech encoding apparatus and speech encoding method
EP1984911A4 (en) * 2006-01-18 2012-03-14 Lg Electronics Inc DEVICE AND METHOD FOR SIGNAL CODING AND DECODING
EP1827002A1 (en) * 2006-02-22 2007-08-29 Alcatel Lucent Method of controlling an adaptation of a filter
US7590523B2 (en) * 2006-03-20 2009-09-15 Mindspeed Technologies, Inc. Speech post-processing using MDCT coefficients
EP1852849A1 (en) * 2006-05-05 2007-11-07 Deutsche Thomson-Brandt Gmbh Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
EP1852848A1 (en) * 2006-05-05 2007-11-07 Deutsche Thomson-Brandt GmbH Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream
KR101390188B1 (ko) * 2006-06-21 2014-04-30 삼성전자주식회사 적응적 고주파수영역 부호화 및 복호화 방법 및 장치
US8010352B2 (en) 2006-06-21 2011-08-30 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
US9159333B2 (en) 2006-06-21 2015-10-13 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
US20080109215A1 (en) * 2006-06-26 2008-05-08 Chi-Min Liu High frequency reconstruction by linear extrapolation
US8077821B2 (en) * 2006-09-25 2011-12-13 Zoran Corporation Optimized timing recovery device and method using linear predictor
WO2008053970A1 (fr) * 2006-11-02 2008-05-08 Panasonic Corporation Dispositif de codage de la voix, dispositif de décodage de la voix et leurs procédés
FR2911020B1 (fr) * 2006-12-28 2009-05-01 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
FR2911031B1 (fr) 2006-12-28 2009-04-10 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
DE102007003187A1 (de) * 2007-01-22 2008-10-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines zu sendenden Signals oder eines decodierten Signals
KR101355376B1 (ko) * 2007-04-30 2014-01-23 삼성전자주식회사 고주파수 영역 부호화 및 복호화 방법 및 장치
MX2010001394A (es) * 2007-08-27 2010-03-10 Ericsson Telefon Ab L M Frecuencia de transicion adaptiva entre llenado de ruido y extension de anchura de banda.
KR101373004B1 (ko) * 2007-10-30 2014-03-26 삼성전자주식회사 고주파수 신호 부호화 및 복호화 장치 및 방법
US9177569B2 (en) 2007-10-30 2015-11-03 Samsung Electronics Co., Ltd. Apparatus, medium and method to encode and decode high frequency signal
KR100970446B1 (ko) * 2007-11-21 2010-07-16 한국전자통신연구원 주파수 확장을 위한 가변 잡음레벨 결정 장치 및 그 방법
EP2077551B1 (en) * 2008-01-04 2011-03-02 Dolby Sweden AB Audio encoder and decoder
JPWO2009087923A1 (ja) * 2008-01-11 2011-05-26 日本電気株式会社 信号分析制御、信号分析、信号制御のシステム、装置、方法及びプログラム
CN101960514A (zh) * 2008-03-14 2011-01-26 日本电气株式会社 信号分析控制***及其方法、信号控制装置及其方法和程序
US8374854B2 (en) * 2008-03-28 2013-02-12 Southern Methodist University Spatio-temporal speech enhancement technique based on generalized eigenvalue decomposition
WO2009131066A1 (ja) * 2008-04-21 2009-10-29 日本電気株式会社 信号分析制御及び信号制御のシステム、装置、方法及びプログラム
MY163454A (en) * 2008-07-11 2017-09-15 Frauenhofer-Gesellschaft Zur Apparatus or method for generating a bandwidth extended signal
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
USRE47180E1 (en) 2008-07-11 2018-12-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating a bandwidth extended signal
JP5284475B2 (ja) * 2008-08-25 2013-09-11 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 前白色化を伴うｌｍｓアルゴリズムによって適応させられる適応フィルタの更新済みフィルタ係数を決定する方法
WO2010028292A1 (en) * 2008-09-06 2010-03-11 Huawei Technologies Co., Ltd. Adaptive frequency prediction
WO2010028297A1 (en) 2008-09-06 2010-03-11 GH Innovation, Inc. Selective bandwidth extension
WO2010028299A1 (en) * 2008-09-06 2010-03-11 Huawei Technologies Co., Ltd. Noise-feedback for spectral envelope quantization
WO2010028301A1 (en) * 2008-09-06 2010-03-11 GH Innovation, Inc. Spectrum harmonic/noise sharpness control
WO2010031003A1 (en) 2008-09-15 2010-03-18 Huawei Technologies Co., Ltd. Adding second enhancement layer to celp based core layer
US8577673B2 (en) * 2008-09-15 2013-11-05 Huawei Technologies Co., Ltd. CELP post-processing for music signals
GB2466201B (en) * 2008-12-10 2012-07-11 Skype Ltd Regeneration of wideband speech
US9947340B2 (en) * 2008-12-10 2018-04-17 Skype Regeneration of wideband speech
GB0822537D0 (en) 2008-12-10 2009-01-14 Skype Ltd Regeneration of wideband speech
JP5423684B2 (ja) * 2008-12-19 2014-02-19 富士通株式会社 音声帯域拡張装置及び音声帯域拡張方法
BR122019023704B1 (pt) 2009-01-16 2020-05-05 Dolby Int Ab sistema para gerar um componente de frequência alta de um sinal de áudio e método para realizar reconstrução de frequência alta de um componente de frequência alta
CN105225667B (zh) 2009-03-17 2019-04-05 杜比国际公司 编码器***、解码器***、编码方法和解码方法
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
TWI643187B (zh) 2009-05-27 2018-12-01 瑞典商杜比國際公司 從訊號的低頻成份產生該訊號之高頻成份的系統與方法，及其機上盒、電腦程式產品、軟體程式及儲存媒體
WO2011001578A1 (ja) * 2009-06-29 2011-01-06 パナソニック株式会社 通信装置
JP5754899B2 (ja) 2009-10-07 2015-07-29 ソニー株式会社 復号装置および方法、並びにプログラム
CN102754159B (zh) 2009-10-19 2016-08-24 杜比国际公司 指示音频对象的部分的元数据时间标记信息
JP5609737B2 (ja) 2010-04-13 2014-10-22 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
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
BR112012024360B1 (pt) * 2010-07-19 2020-11-03 Dolby International Ab sistema configurado para gerar uma pluralidade de sinais de áudio de sub-banda de alta frequência, decodificador de áudio, codificador, método para gerar uma pluralidade de sinais de sub-banda de alta frequência, método para decodificar um fluxo de bits, método para gerar dados de controle a partir de um sinal de áudio e meio de armazenamento
US9047875B2 (en) 2010-07-19 2015-06-02 Futurewei Technologies, Inc. Spectrum flatness control for bandwidth extension
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
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
ES2938725T3 (es) 2010-09-16 2023-04-14 Dolby Int Ab Transposición armónica basada en bloque de subbanda mejorado de producto cruzado
JP5707842B2 (ja) 2010-10-15 2015-04-30 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
US9117440B2 (en) 2011-05-19 2015-08-25 Dolby International Ab Method, apparatus, and medium for detecting frequency extension coding in the coding history of an audio signal
EP3544006A1 (en) 2011-11-11 2019-09-25 Dolby International AB Upsampling using oversampled sbr
CN103366749B (zh) * 2012-03-28 2016-01-27 北京天籁传音数字技术有限公司 一种声音编解码装置及其方法
CN103366751B (zh) * 2012-03-28 2015-10-14 北京天籁传音数字技术有限公司 一种声音编解码装置及其方法
EP2682941A1 (de) * 2012-07-02 2014-01-08 Technische Universität Ilmenau Vorrichtung, Verfahren und Computerprogramm für frei wählbare Frequenzverschiebungen in der Subband-Domäne
RU2608447C1 (ru) 2013-01-29 2017-01-18 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для генерирования расширенного по частоте сигнала, используя временное сглаживание поддиапазонов
KR101732059B1 (ko) 2013-05-15 2017-05-04 삼성전자주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
EP2830064A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
KR101406748B1 (ko) * 2013-08-13 2014-06-17 한국광성전자 주식회사 디지털 오디오 음질 개선 장치
US9666202B2 (en) * 2013-09-10 2017-05-30 Huawei Technologies Co., Ltd. Adaptive bandwidth extension and apparatus for the same
CN105531762B (zh) 2013-09-19 2019-10-01 索尼公司 编码装置和方法、解码装置和方法以及程序
KR102064890B1 (ko) * 2013-10-22 2020-02-11 삼성전자 주식회사 내부 및 외부 메모리를 선택적으로 사용하는 harq 데이터 처리 장치 및 그 처리 방법
US9293143B2 (en) * 2013-12-11 2016-03-22 Qualcomm Incorporated Bandwidth extension mode selection
CA3162763A1 (en) 2013-12-27 2015-07-02 Sony Corporation Decoding apparatus and method, and program
US20150194157A1 (en) * 2014-01-06 2015-07-09 Nvidia Corporation System, method, and computer program product for artifact reduction in high-frequency regeneration audio signals
CN111312278B (zh) 2014-03-03 2023-08-15 三星电子株式会社 用于带宽扩展的高频解码的方法及设备
SG10201808274UA (en) 2014-03-24 2018-10-30 Samsung Electronics Co Ltd High-band encoding method and device, and high-band decoding method and device
CN107851442B (zh) * 2015-04-13 2021-07-20 日本电信电话株式会社 匹配装置、判定装置、它们的方法、程序及记录介质
JP6611042B2 (ja) * 2015-12-02 2019-11-27 パナソニックＩｐマネジメント株式会社 音声信号復号装置及び音声信号復号方法
US10825467B2 (en) * 2017-04-21 2020-11-03 Qualcomm Incorporated Non-harmonic speech detection and bandwidth extension in a multi-source environment
CN111386568B (zh) * 2017-10-27 2023-10-13 弗劳恩霍夫应用研究促进协会 使用神经网络处理器生成带宽增强的音频信号的装置、方法或计算机可读存储介质
TWI809289B (zh) * 2018-01-26 2023-07-21 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
CN108630212B (zh) * 2018-04-03 2021-05-07 湖南商学院 非盲带宽扩展中高频激励信号的感知重建方法与装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4361875A (en) * 1980-06-23 1982-11-30 Bell Telephone Laboratories, Incorporated Multiple tone detector and locator
EP0208712B1 (en) * 1984-12-20 1993-04-07 Gte Laboratories Incorporated Adaptive method and apparatus for coding speech
US4776014A (en) * 1986-09-02 1988-10-04 General Electric Company Method for pitch-aligned high-frequency regeneration in RELP vocoders
US5127054A (en) * 1988-04-29 1992-06-30 Motorola, Inc. Speech quality improvement for voice coders and synthesizers
ES2164640T3 (es) * 1991-08-02 2002-03-01 Sony Corp Codificador digital con asignacion dinamica de bits de cuantificacion.
JP3144009B2 (ja) * 1991-12-24 2001-03-07 日本電気株式会社 音声符号復号化装置
US5347611A (en) * 1992-01-17 1994-09-13 Telogy Networks Inc. Apparatus and method for transparent tone passing over narrowband digital channels
GB2281680B (en) * 1993-08-27 1998-08-26 Motorola Inc A voice activity detector for an echo suppressor and an echo suppressor
US5915235A (en) * 1995-04-28 1999-06-22 Dejaco; Andrew P. Adaptive equalizer preprocessor for mobile telephone speech coder to modify nonideal frequency response of acoustic transducer
US5822360A (en) * 1995-09-06 1998-10-13 Solana Technology Development Corporation Method and apparatus for transporting auxiliary data in audio signals
US6035177A (en) * 1996-02-26 2000-03-07 Donald W. Moses Simultaneous transmission of ancillary and audio signals by means of perceptual coding
US5812971A (en) * 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
US5995561A (en) * 1996-04-10 1999-11-30 Silicon Systems, Inc. Method and apparatus for reducing noise correlation in a partial response channel
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
SE9903553D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
US6249762B1 (en) * 1999-04-01 2001-06-19 The United States Of America As Represented By The Secretary Of The Navy Method for separation of data into narrowband and broadband time series components
US6574593B1 (en) * 1999-09-22 2003-06-03 Conexant Systems, Inc. Codebook tables for encoding and decoding
CN1192355C (zh) * 1999-11-16 2005-03-09 皇家菲利浦电子有限公司 宽带音频传输***
SE0004163D0 (sv) * 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
JP4067762B2 (ja) * 2000-12-28 2008-03-26 ヤマハ株式会社 歌唱合成装置

Also Published As

Publication number Publication date
AU2002214496A1 (en) 2002-05-27
KR20030062338A (ko) 2003-07-23
WO2002041301A1 (en) 2002-05-23
JP2006079106A (ja) 2006-03-23
HK1056429A1 (en) 2004-02-13
EP1342230B1 (en) 2004-04-14
JP3954495B2 (ja) 2007-08-08
CN1766993B (zh) 2011-07-27
US20020087304A1 (en) 2002-07-04
CN1267890C (zh) 2006-08-02
PT1342230E (pt) 2004-09-30
CN1481545A (zh) 2004-03-10
US7433817B2 (en) 2008-10-07
DE60102838T2 (de) 2005-04-21
DE60102838D1 (de) 2004-05-19
ES2215935T3 (es) 2004-10-16
EP1342230A1 (en) 2003-09-10
US7003451B2 (en) 2006-02-21
US20060036432A1 (en) 2006-02-16
SE0004163D0 (sv) 2000-11-14
ATE264533T1 (de) 2004-04-15
KR100517229B1 (ko) 2005-09-27
JP2004514179A (ja) 2004-05-13
CN1766993A (zh) 2006-05-03

Similar Documents

Publication Publication Date Title
DK1342230T3 (da) Forbedring af den perceptuelle præstation af fremgangsmåder til höjfrekvensrekonstruktionskodning ved adaptiv filtrering
JP7383067B2 (ja) 高度なスペクトラム拡張を使用して量子化ノイズを低減するための圧縮伸張装置および方法
DK1914729T3 (da) Apparat og fremgangsmåde til justering af den spektrale indhyllingskurve af et højfrekvensrekonstrueret signal
JP5203077B2 (ja) 音声符号化装置及び方法、音声復号化装置及び方法、並びに、音声帯域拡張装置及び方法
RU2010125251A (ru) Способ и устройство для обработки сигнала
KR101430335B1 (ko) 가이드된 대역폭 확장 및 블라인드 대역폭 확장을 이용하여 광대역 신호를 생성하는 장치, 방법 및 컴퓨터 프로그램
EP2347412B1 (en) Method and system for frequency domain postfiltering of encoded audio data in a decoder
RU2682923C2 (ru) Улучшенное расширение диапазона частот в декодере звукового сигнала
RU2009116279A (ru) Способы и устройства кодирования и декодирования объектно-ориентированных аудиосигналов
JP4447546B2 (ja) 広帯域音声復元方法及び広帯域音声復元装置
JP3770901B2 (ja) 広帯域音声復元方法及び広帯域音声復元装置
JP3748081B2 (ja) 広帯域音声復元方法及び広帯域音声復元装置
JP3773509B2 (ja) 広帯域音声復元装置及び広帯域音声復元方法
JP3770900B2 (ja) 広帯域音声復元方法及び広帯域音声復元装置
JP4087823B2 (ja) 広帯域音声復元方法及び広帯域音声復元装置
JP3770899B2 (ja) 広帯域音声復元方法及び広帯域音声復元装置
JP3748080B2 (ja) 広帯域音声復元方法及び広帯域音声復元装置
KR101281945B1 (ko) 오디오 코딩 장치 및 방법
JP3748083B2 (ja) 広帯域音声復元方法及び広帯域音声復元装置
JP2005321828A (ja) 広帯域音声復元方法及び広帯域音声復元装置
JPWO2009038158A1 (ja) 音声復号装置、音声復号方法、プログラム及び携帯端末
JP2005321827A (ja) 広帯域音声復元方法及び広帯域音声復元装置
JP2005284317A (ja) 広帯域音声復元方法及び広帯域音声復元装置