SE9800268L - En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion - Google Patents

En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion

Info

Publication number
SE9800268L
SE9800268L SE9800268A SE9800268A SE9800268L SE 9800268 L SE9800268 L SE 9800268L SE 9800268 A SE9800268 A SE 9800268A SE 9800268 A SE9800268 A SE 9800268A SE 9800268 L SE9800268 L SE 9800268L
Authority
SE
Sweden
Prior art keywords
codec
data flow
combination
flow based
bandwidth expansion
Prior art date
Application number
SE9800268A
Other languages
English (en)
Other versions
SE9800268D0 (sv
SE512719C2 (sv
Inventor
Lars Gustaf Liljeryd
Per Rune Albin Ekstrand
Lars Fredrik Henn
Kristofer Kjoerling
Original Assignee
Lars Gustaf Liljeryd
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
Priority claimed from SE9702213A external-priority patent/SE9702213D0/sv
Priority claimed from SE9704634A external-priority patent/SE9704634D0/sv
Application filed by Lars Gustaf Liljeryd filed Critical Lars Gustaf Liljeryd
Priority to SE9800268A priority Critical patent/SE512719C2/sv
Publication of SE9800268D0 publication Critical patent/SE9800268D0/sv
Priority to RU99104814/09A priority patent/RU2256293C2/ru
Priority to AT98921697T priority patent/ATE257987T1/de
Priority to BRPI9805989-0A priority patent/BR9805989B1/pt
Priority to PT03020094T priority patent/PT1367566E/pt
Priority to DK98921697T priority patent/DK0940015T3/da
Priority to PCT/IB1998/000893 priority patent/WO1998057436A2/en
Priority to EP98921697A priority patent/EP0940015B1/en
Priority to DE69831435T priority patent/DE69831435T2/de
Priority to DK03020094T priority patent/DK1367566T3/da
Priority to DE69821089T priority patent/DE69821089T2/de
Priority to PT98921697T priority patent/PT940015E/pt
Priority to ES98921697T priority patent/ES2213901T3/es
Priority to EP03020094A priority patent/EP1367566B1/en
Priority to AT03020094T priority patent/ATE303679T1/de
Priority to JP50196299A priority patent/JP3871347B2/ja
Priority to US09/230,799 priority patent/US6680972B1/en
Priority to CNB988007924A priority patent/CN1206816C/zh
Priority to CNB2004101000787A priority patent/CN1308916C/zh
Priority to AU74465/98A priority patent/AU7446598A/en
Priority to ES03020094T priority patent/ES2247466T3/es
Publication of SE9800268L publication Critical patent/SE9800268L/sv
Publication of SE512719C2 publication Critical patent/SE512719C2/sv
Priority to HK01101733A priority patent/HK1030843A1/xx
Priority to US10/680,224 priority patent/US6925116B2/en
Priority to US10/681,105 priority patent/US7328162B2/en
Priority to US10/682,030 priority patent/US7283955B2/en
Priority to HK04100528A priority patent/HK1057815A1/xx
Priority to JP2004355011A priority patent/JP4220461B2/ja

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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Luminescent Compositions (AREA)
  • Pyridine Compounds (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Cosmetics (AREA)
SE9800268A 1997-06-10 1998-01-30 En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion SE512719C2 (sv)

Priority Applications (27)

Application Number Priority Date Filing Date Title
SE9800268A SE512719C2 (sv) 1997-06-10 1998-01-30 En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
CNB2004101000787A CN1308916C (zh) 1997-06-10 1998-06-09 采用频带复现增强源编码
AU74465/98A AU7446598A (en) 1997-06-10 1998-06-09 Source coding enhancement using spectral-band replication
ES03020094T ES2247466T3 (es) 1997-06-10 1998-06-09 Mejora de codificacion de la fuente utilizando replicacion de la banda espectral.
ES98921697T ES2213901T3 (es) 1997-06-10 1998-06-09 Mejora de codificacion de la fuente utilizando la replica de la banda espectral.
AT03020094T ATE303679T1 (de) 1997-06-10 1998-06-09 Verbesserung von quellenkodierung unter verwendung von spektralbandreplikation
BRPI9805989-0A BR9805989B1 (pt) 1997-06-10 1998-06-09 método e aparelho para decodificar um sinal codificado.
PT03020094T PT1367566E (pt) 1997-06-10 1998-06-09 Melhoria da codificacao na fonte utilizando-se a reproducao da banda espectral
DK98921697T DK0940015T3 (da) 1997-06-10 1998-06-09 Forbedring af kildekodning ved anvendelse af spektralbåndreplikation
PCT/IB1998/000893 WO1998057436A2 (en) 1997-06-10 1998-06-09 Source coding enhancement using spectral-band replication
EP98921697A EP0940015B1 (en) 1997-06-10 1998-06-09 Source coding enhancement using spectral-band replication
DE69831435T DE69831435T2 (de) 1997-06-10 1998-06-09 Verbesserung von Quellenkodierung unter Verwendung von Spektralbandreplikation
DK03020094T DK1367566T3 (da) 1997-06-10 1998-06-09 Forbedring af kildekodning ved anvendelse af spektralbåndreplikation
DE69821089T DE69821089T2 (de) 1997-06-10 1998-06-09 Verbesserung von quellenkodierung unter verwendung von spektralbandreplikation
PT98921697T PT940015E (pt) 1997-06-10 1998-06-09 Melhoria da codificacao na fonte utilizando-se a reproducao da banda espectral
RU99104814/09A RU2256293C2 (ru) 1997-06-10 1998-06-09 Усовершенствование исходного кодирования с использованием дублирования спектральной полосы
EP03020094A EP1367566B1 (en) 1997-06-10 1998-06-09 Source coding enhancement using spectral-band replication
AT98921697T ATE257987T1 (de) 1997-06-10 1998-06-09 Verbesserung von quellenkodierung unter verwendung von spektralbandreplikation
JP50196299A JP3871347B2 (ja) 1997-06-10 1998-06-09 スペクトル帯域複製を用いた原始コーディングの強化
US09/230,799 US6680972B1 (en) 1997-06-10 1998-06-09 Source coding enhancement using spectral-band replication
CNB988007924A CN1206816C (zh) 1997-06-10 1998-06-09 采用频带复现增强源编码
HK01101733A HK1030843A1 (en) 1997-06-10 2001-03-12 Source coding enhancement using spectral-band replication.
US10/680,224 US6925116B2 (en) 1997-06-10 2003-10-08 Source coding enhancement using spectral-band replication
US10/681,105 US7328162B2 (en) 1997-06-10 2003-10-09 Source coding enhancement using spectral-band replication
US10/682,030 US7283955B2 (en) 1997-06-10 2003-10-10 Source coding enhancement using spectral-band replication
HK04100528A HK1057815A1 (en) 1997-06-10 2004-01-27 Source coding enhancement using spectral-band replication.
JP2004355011A JP4220461B2 (ja) 1997-06-10 2004-12-08 時間的に離散した音声信号のアップサンプリングした信号を発生する方法と装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9702213A SE9702213D0 (sv) 1997-06-10 1997-06-10 A method and a device for bit-rate reduction using synthetic bandwidth expansion
SE9704634A SE9704634D0 (sv) 1997-12-12 1997-12-12 Synthetic bandwidth expansion of audio signals
SE9800268A SE512719C2 (sv) 1997-06-10 1998-01-30 En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion

Publications (3)

Publication Number Publication Date
SE9800268D0 SE9800268D0 (sv) 1998-01-30
SE9800268L true SE9800268L (sv) 1998-12-11
SE512719C2 SE512719C2 (sv) 2000-05-02

Family

ID=27355877

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9800268A SE512719C2 (sv) 1997-06-10 1998-01-30 En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion

Country Status (14)

Country Link
US (4) US6680972B1 (sv)
EP (2) EP1367566B1 (sv)
JP (2) JP3871347B2 (sv)
CN (2) CN1206816C (sv)
AT (2) ATE257987T1 (sv)
AU (1) AU7446598A (sv)
BR (1) BR9805989B1 (sv)
DE (2) DE69821089T2 (sv)
DK (2) DK0940015T3 (sv)
ES (2) ES2213901T3 (sv)
HK (2) HK1030843A1 (sv)
PT (2) PT940015E (sv)
SE (1) SE512719C2 (sv)
WO (1) WO1998057436A2 (sv)

Families Citing this family (416)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1179348C (zh) * 1996-11-07 2004-12-08 皇家菲利浦电子有限公司 比特流信号的数据处理
JP4193243B2 (ja) * 1998-10-07 2008-12-10 ソニー株式会社 音響信号符号化方法及び装置、音響信号復号化方法及び装置並びに記録媒体
SE9903552D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Efficient spectral envelope coding using dynamic scalefactor grouping and time/frequency switching
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)
US7085377B1 (en) * 1999-07-30 2006-08-01 Lucent Technologies Inc. Information delivery in a multi-stream digital broadcasting system
US6978236B1 (en) * 1999-10-01 2005-12-20 Coding Technologies Ab Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
US7061992B2 (en) * 2000-01-18 2006-06-13 National Researc Council Of Canada Parallel correlator architecture
FI119576B (sv) * 2000-03-07 2008-12-31 Nokia Corp Talbehandlingsanordning och förfarande för behandling av tal, samt en digital radiotelefon
EP1190415B1 (en) * 2000-03-15 2007-08-08 Koninklijke Philips Electronics N.V. Laguerre function for audio coding
FR2807897B1 (fr) * 2000-04-18 2003-07-18 France Telecom Methode et dispositif d'enrichissement spectral
US7742927B2 (en) 2000-04-18 2010-06-22 France Telecom Spectral enhancing method and device
US7330814B2 (en) * 2000-05-22 2008-02-12 Texas Instruments Incorporated Wideband speech coding with modulated noise highband excitation system and method
SE0001926D0 (sv) 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
US6718300B1 (en) * 2000-06-02 2004-04-06 Agere Systems Inc. Method and apparatus for reducing aliasing in cascaded filter banks
JP3538122B2 (ja) * 2000-06-14 2004-06-14 株式会社ケンウッド 周波数補間装置、周波数補間方法及び記録媒体
JP3576935B2 (ja) * 2000-07-21 2004-10-13 株式会社ケンウッド 周波数間引き装置、周波数間引き方法及び記録媒体
JP3576941B2 (ja) * 2000-08-25 2004-10-13 株式会社ケンウッド 周波数間引き装置、周波数間引き方法及び記録媒体
US20020049586A1 (en) * 2000-09-11 2002-04-25 Kousuke Nishio Audio encoder, audio decoder, and broadcasting system
SE0004163D0 (sv) 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
SE0004187D0 (sv) * 2000-11-15 2000-11-15 Coding Technologies Sweden Ab Enhancing the performance of coding systems that use high frequency reconstruction methods
SE0004818D0 (sv) * 2000-12-22 2000-12-22 Coding Technologies Sweden Ab Enhancing source coding systems by adaptive transposition
US20020087315A1 (en) * 2000-12-29 2002-07-04 Lee Victor Wai Leung Computer-implemented multi-scanning language method and system
US6845170B2 (en) 2001-01-11 2005-01-18 Sony Corporation Watermark resistant to resizing and rotation
US20020128839A1 (en) * 2001-01-12 2002-09-12 Ulf Lindgren Speech bandwidth extension
ATE319162T1 (de) * 2001-01-19 2006-03-15 Koninkl Philips Electronics Nv Breitband-signalübertragungssystem
US7660424B2 (en) 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
FR2821475B1 (fr) * 2001-02-23 2003-05-09 France Telecom Procede et dispositif de reconstruction spectrale de signaux a plusieurs voies, notamment de signaux stereophoniques
FR2821501B1 (fr) * 2001-02-23 2004-07-16 France Telecom Procede et dispositif de reconstruction spectrale d'un signal a spectre incomplet et systeme de codage/decodage associe
FR2821476B1 (fr) * 2001-02-23 2003-04-11 France Telecom Procede de reconstruction spectrale de signal audio a spectre incomplet et dispositif correspondant
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
US6865273B2 (en) * 2002-06-05 2005-03-08 Sony Corporation Method and apparatus to detect watermark that are resistant to resizing, rotation and translation
US7602936B2 (en) * 2001-03-08 2009-10-13 Sony Corporation Method to make wavelet watermarks resistant to affine transformations
SE0101175D0 (sv) * 2001-04-02 2001-04-02 Coding Technologies Sweden Ab Aliasing reduction using complex-exponential-modulated filterbanks
AUPR433901A0 (en) 2001-04-10 2001-05-17 Lake Technology Limited High frequency signal construction method
US7711123B2 (en) * 2001-04-13 2010-05-04 Dolby Laboratories Licensing Corporation Segmenting audio signals into auditory events
US7400651B2 (en) 2001-06-29 2008-07-15 Kabushiki Kaisha Kenwood Device and method for interpolating frequency components of signal
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US8605911B2 (en) 2001-07-10 2013-12-10 Dolby International Ab Efficient and scalable parametric stereo coding for low bitrate audio coding applications
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
CN1272911C (zh) * 2001-07-13 2006-08-30 松下电器产业株式会社 音频信号解码装置及音频信号编码装置
JP4012506B2 (ja) * 2001-08-24 2007-11-21 株式会社ケンウッド 信号の周波数成分を適応的に補間するための装置および方法
JP2005506584A (ja) * 2001-10-25 2005-03-03 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 減少された帯域幅の伝送路上での広帯域オーディオ信号の伝送方法
DE60204039T2 (de) * 2001-11-02 2006-03-02 Matsushita Electric Industrial Co., Ltd., Kadoma Vorrichtung zur kodierung und dekodierung von audiosignalen
DE10154932B4 (de) * 2001-11-08 2008-01-03 Grundig Multimedia B.V. Verfahren zur Audiocodierung
JP4308229B2 (ja) * 2001-11-14 2009-08-05 パナソニック株式会社 符号化装置および復号化装置
JP3926726B2 (ja) * 2001-11-14 2007-06-06 松下電器産業株式会社 符号化装置および復号化装置
CN100395817C (zh) 2001-11-14 2008-06-18 松下电器产业株式会社 编码设备、解码设备和解码方法
US20030108108A1 (en) * 2001-11-15 2003-06-12 Takashi Katayama Decoder, decoding method, and program distribution medium therefor
JPWO2003042648A1 (ja) * 2001-11-16 2005-03-10 松下電器産業株式会社 音声符号化装置、音声復号化装置、音声符号化方法および音声復号化方法
US7433489B2 (en) * 2001-11-28 2008-10-07 Sony Electronics Inc. Method to ensure temporal synchronization and reduce complexity in the detection of temporal watermarks
US7317811B2 (en) * 2001-11-28 2008-01-08 Sony Electronics Inc. Method to decode temporal watermarks in compressed video
US7469206B2 (en) 2001-11-29 2008-12-23 Coding Technologies Ab Methods for improving high frequency reconstruction
JP4317355B2 (ja) * 2001-11-30 2009-08-19 パナソニック株式会社 符号化装置、符号化方法、復号化装置、復号化方法および音響データ配信システム
US7240001B2 (en) * 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
CN1288625C (zh) 2002-01-30 2006-12-06 松下电器产业株式会社 音频编码与解码设备及其方法
JP3751001B2 (ja) * 2002-03-06 2006-03-01 株式会社東芝 オーディオ信号再生方法および再生装置
CN1625876B (zh) * 2002-03-20 2011-01-26 伊哥·玻利索维奇·多尼夫 传输离散信号的方法和系统
US20030187663A1 (en) 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
WO2003085644A1 (en) 2002-04-11 2003-10-16 Matsushita Electric Industrial Co., Ltd. Encoding device and decoding device
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
US7447631B2 (en) * 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
US7921445B2 (en) * 2002-06-06 2011-04-05 International Business Machines Corporation Audio/video speedup system and method in a server-client streaming architecture
TWI288915B (en) * 2002-06-17 2007-10-21 Dolby Lab Licensing Corp Improved audio coding system using characteristics of a decoded signal to adapt synthesized spectral components
KR100462615B1 (ko) 2002-07-11 2004-12-20 삼성전자주식회사 적은 계산량으로 고주파수 성분을 복원하는 오디오 디코딩방법 및 장치
US7376280B2 (en) * 2002-07-14 2008-05-20 Apple Inc Video encoding and decoding
US7379956B2 (en) * 2002-07-14 2008-05-27 Apple Inc. Encoding and decoding data arrays
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
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
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
EP1527442B1 (en) * 2002-08-01 2006-04-05 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus and audio decoding method based on spectral band replication
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
US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
JP3881943B2 (ja) * 2002-09-06 2007-02-14 松下電器産業株式会社 音響符号化装置及び音響符号化方法
TW564375B (en) * 2002-09-17 2003-12-01 Ind Tech Res Inst Amplitude phase shift information embedding and detecting method based on phase features
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
AU2006235812B2 (en) * 2002-09-18 2009-10-01 Dolby International Ab Method for reduction of aliasing introduced 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
US7191136B2 (en) * 2002-10-01 2007-03-13 Ibiquity Digital Corporation Efficient coding of high frequency signal information in a signal using a linear/non-linear prediction model based on a low pass baseband
KR100501930B1 (ko) * 2002-11-29 2005-07-18 삼성전자주식회사 적은 계산량으로 고주파수 성분을 복원하는 오디오 디코딩방법 및 장치
JP4041385B2 (ja) * 2002-11-29 2008-01-30 株式会社ケンウッド 信号補間装置、信号補間方法及びプログラム
AU2002953284A0 (en) * 2002-12-12 2003-01-02 Lake Technology Limited Digital multirate filtering
KR100524065B1 (ko) * 2002-12-23 2005-10-26 삼성전자주식회사 시간-주파수 상관성을 이용한 개선된 오디오 부호화및/또는 복호화 방법과 그 장치
US20040252772A1 (en) * 2002-12-31 2004-12-16 Markku Renfors Filter bank based signal processing
TWI220753B (en) * 2003-01-20 2004-09-01 Mediatek Inc Method for determining quantization parameters
US7318027B2 (en) 2003-02-06 2008-01-08 Dolby Laboratories Licensing Corporation Conversion of synthesized spectral components for encoding and low-complexity transcoding
JP4380174B2 (ja) * 2003-02-27 2009-12-09 沖電気工業株式会社 帯域補正装置
KR100917464B1 (ko) * 2003-03-07 2009-09-14 삼성전자주식회사 대역 확장 기법을 이용한 디지털 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치
KR100923301B1 (ko) * 2003-03-22 2009-10-23 삼성전자주식회사 대역 확장 기법을 이용한 오디오 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치
KR100923300B1 (ko) * 2003-03-22 2009-10-23 삼성전자주식회사 대역 확장 기법을 이용한 오디오 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치
RU2244386C2 (ru) * 2003-03-28 2005-01-10 Корпорация "Самсунг Электроникс" Способ восстановления высокочастотной составляющей аудиосигнала и устройство для его реализации
EP1621047B1 (en) * 2003-04-17 2007-04-11 Koninklijke Philips Electronics N.V. Audio signal generation
KR101169596B1 (ko) 2003-04-17 2012-07-30 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 신호 합성
US7318035B2 (en) * 2003-05-08 2008-01-08 Dolby Laboratories Licensing Corporation Audio coding systems and methods using spectral component coupling and spectral component regeneration
JP2005010621A (ja) * 2003-06-20 2005-01-13 Matsushita Electric Ind Co Ltd 音声帯域拡張装置及び帯域拡張方法
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
US7548852B2 (en) * 2003-06-30 2009-06-16 Koninklijke Philips Electronics N.V. Quality of decoded audio by adding noise
JP2005024756A (ja) * 2003-06-30 2005-01-27 Toshiba Corp 復号処理回路および移動端末装置
FI118550B (sv) * 2003-07-14 2007-12-14 Nokia Corp Förbättrad eksitation för högre frekvensbands kodning i en kodek som utiliserar banduppdelningsbaserade kodningsmetoder
US7082573B2 (en) 2003-07-30 2006-07-25 America Online, Inc. Method and system for managing digital assets
US7724827B2 (en) * 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US7844992B2 (en) * 2003-09-10 2010-11-30 Thomson Licensing Video on demand server system and method
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
JP4679049B2 (ja) 2003-09-30 2011-04-27 パナソニック株式会社 スケーラブル復号化装置
DE602004030594D1 (de) 2003-10-07 2011-01-27 Panasonic Corp Verfahren zur entscheidung der zeitgrenze zur codierung der spektro-hülle und frequenzauflösung
US7461003B1 (en) * 2003-10-22 2008-12-02 Tellabs Operations, Inc. Methods and apparatus for improving the quality of speech signals
EP2221808B1 (en) 2003-10-23 2012-07-11 Panasonic Corporation Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof
KR101106026B1 (ko) * 2003-10-30 2012-01-17 돌비 인터네셔널 에이비 오디오 신호 인코딩 또는 디코딩
US7672838B1 (en) 2003-12-01 2010-03-02 The Trustees Of Columbia University In The City Of New York Systems and methods for speech recognition using frequency domain linear prediction polynomials to form temporal and spectral envelopes from frequency domain representations of signals
KR100587953B1 (ko) * 2003-12-26 2006-06-08 한국전자통신연구원 대역-분할 광대역 음성 코덱에서의 고대역 오류 은닉 장치 및 그를 이용한 비트스트림 복호화 시스템
US7460990B2 (en) * 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
US6980933B2 (en) * 2004-01-27 2005-12-27 Dolby Laboratories Licensing Corporation Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients
CN101014997B (zh) * 2004-02-18 2012-04-04 皇家飞利浦电子股份有限公司 用于生成用于自动语音识别器的训练数据的方法和系统
JP4741476B2 (ja) 2004-04-23 2011-08-03 パナソニック株式会社 符号化装置
WO2005112005A1 (ja) * 2004-04-27 2005-11-24 Matsushita Electric Industrial Co., Ltd. スケーラブル符号化装置、スケーラブル復号化装置、およびこれらの方法
KR100937572B1 (ko) 2004-04-30 2010-01-19 힐크레스트 래보래토리스, 인크. 3ｄ 포인팅 장치 및 방법
US8629836B2 (en) 2004-04-30 2014-01-14 Hillcrest Laboratories, Inc. 3D pointing devices with orientation compensation and improved usability
WO2005111568A1 (ja) 2004-05-14 2005-11-24 Matsushita Electric Industrial Co., Ltd. 符号化装置、復号化装置、およびこれらの方法
CN101656075B (zh) * 2004-05-14 2012-08-29 松下电器产业株式会社 音频解码装置、音频解码方法以及通信终端和基站装置
CN102280109B (zh) 2004-05-19 2016-04-27 松下电器（美国）知识产权公司 编码装置、解码装置及它们的方法
WO2006000951A1 (en) 2004-06-21 2006-01-05 Koninklijke Philips Electronics N.V. Method of audio encoding
GB2416285A (en) 2004-07-14 2006-01-18 British Broadcasting Corp Transmission of a data signal in an audio signal
KR100608062B1 (ko) * 2004-08-04 2006-08-02 삼성전자주식회사 오디오 데이터의 고주파수 복원 방법 및 그 장치
WO2006018748A1 (en) * 2004-08-17 2006-02-23 Koninklijke Philips Electronics N.V. Scalable audio coding
KR100640893B1 (ko) * 2004-09-07 2006-11-02 엘지전자 주식회사 음성 인식용 베이스밴드 모뎀 및 이동통신용 단말기
US7860721B2 (en) * 2004-09-17 2010-12-28 Panasonic Corporation Audio encoding device, decoding device, and method capable of flexibly adjusting the optimal trade-off between a code rate and sound quality
US7630902B2 (en) * 2004-09-17 2009-12-08 Digital Rise Technology Co., Ltd. Apparatus and methods for digital audio coding using codebook application ranges
US7620675B1 (en) * 2004-09-23 2009-11-17 Texas Instruments Incorporated Image and audio transform methods
JP4618634B2 (ja) * 2004-10-07 2011-01-26 Ｋｄｄｉ株式会社 圧縮オーディオデータ処理方法
JP4815780B2 (ja) * 2004-10-20 2011-11-16 ヤマハ株式会社 オーバーサンプリングシステム、デコードｌｓｉ、およびオーバーサンプリング方法
US7555081B2 (en) * 2004-10-29 2009-06-30 Harman International Industries, Incorporated Log-sampled filter system
WO2006048814A1 (en) 2004-11-02 2006-05-11 Koninklijke Philips Electronics N.V. Encoding and decoding of audio signals using complex-valued filter banks
SE0402652D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
EP1798724B1 (en) * 2004-11-05 2014-06-18 Panasonic Corporation Encoder, decoder, encoding method, and decoding method
WO2006058129A2 (en) 2004-11-23 2006-06-01 Hillcrest Laboratories, Inc. Semantic gaming and application transformation
KR100657916B1 (ko) * 2004-12-01 2006-12-14 삼성전자주식회사 주파수 대역간의 유사도를 이용한 오디오 신호 처리 장치및 방법
US20060143013A1 (en) * 2004-12-28 2006-06-29 Broadcom Corporation Method and system for playing audio at an accelerated rate using multiresolution analysis technique keeping pitch constant
US8082156B2 (en) 2005-01-11 2011-12-20 Nec Corporation Audio encoding device, audio encoding method, and audio encoding program for encoding a wide-band audio signal
US20060187770A1 (en) * 2005-02-23 2006-08-24 Broadcom Corporation Method and system for playing audio at a decelerated rate using multiresolution analysis technique keeping pitch constant
KR101194902B1 (ko) * 2005-02-24 2012-10-25 파나소닉 주식회사 데이터 재생장치
JP4761506B2 (ja) * 2005-03-01 2011-08-31 国立大学法人北陸先端科学技術大学院大学 音声処理方法と装置及びプログラム並びに音声システム
JP4645241B2 (ja) * 2005-03-10 2011-03-09 ヤマハ株式会社 音声処理装置およびプログラム
KR100707186B1 (ko) * 2005-03-24 2007-04-13 삼성전자주식회사 오디오 부호화 및 복호화 장치와 그 방법 및 기록 매체
EP1864281A1 (en) * 2005-04-01 2007-12-12 QUALCOMM Incorporated Systems, methods, and apparatus for highband burst suppression
KR100818268B1 (ko) * 2005-04-14 2008-04-02 삼성전자주식회사 오디오 데이터 부호화 및 복호화 장치와 방법
US7627481B1 (en) * 2005-04-19 2009-12-01 Apple Inc. Adapting masking thresholds for encoding a low frequency transient signal in audio data
US8086451B2 (en) 2005-04-20 2011-12-27 Qnx Software Systems Co. System for improving speech intelligibility through high frequency compression
US7813931B2 (en) * 2005-04-20 2010-10-12 QNX Software Systems, Co. System for improving speech quality and intelligibility with bandwidth compression/expansion
US8249861B2 (en) 2005-04-20 2012-08-21 Qnx Software Systems Limited High frequency compression integration
PL1875463T3 (pl) 2005-04-22 2019-03-29 Qualcomm Incorporated Układy, sposoby i urządzenie do wygładzania współczynnika wzmocnienia
DK1742509T3 (da) 2005-07-08 2013-11-04 Oticon As Et system og en fremgangsmåde til eliminering af feedback og støj i et høreapparat
DE102005032724B4 (de) * 2005-07-13 2009-10-08 Siemens Ag Verfahren und Vorrichtung zur künstlichen Erweiterung der Bandbreite von Sprachsignalen
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
KR100803205B1 (ko) 2005-07-15 2008-02-14 삼성전자주식회사 저비트율 오디오 신호 부호화/복호화 방법 및 장치
US7562021B2 (en) * 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
US20070030923A1 (en) * 2005-08-02 2007-02-08 Xiaoming Yu High accuracy non data-aided frequency estimator for M-ary phase shift keying modulation
US8599925B2 (en) * 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
JP4715385B2 (ja) * 2005-08-19 2011-07-06 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
WO2007028407A1 (en) 2005-09-06 2007-03-15 Nero Ag Method for signing a data package and signing apparatus
JP4627548B2 (ja) * 2005-09-08 2011-02-09 パイオニア株式会社 帯域拡張装置、帯域拡張方法および帯域拡張プログラム
US8396717B2 (en) 2005-09-30 2013-03-12 Panasonic Corporation Speech encoding apparatus and speech encoding method
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
US20070118361A1 (en) * 2005-10-07 2007-05-24 Deepen Sinha Window apparatus and method
US8069035B2 (en) * 2005-10-14 2011-11-29 Panasonic Corporation Scalable encoding apparatus, scalable decoding apparatus, and methods of them
KR100739180B1 (ko) * 2005-10-20 2007-07-13 엘지전자 주식회사 이동 통신 단말기의 멀티미디어 데이터를 송수신하는 장치및 그 방법
EP1943643B1 (en) 2005-11-04 2019-10-09 Nokia Technologies Oy Audio compression
US8103516B2 (en) * 2005-11-30 2012-01-24 Panasonic Corporation Subband coding apparatus and method of coding subband
JP5034228B2 (ja) * 2005-11-30 2012-09-26 株式会社Ｊｖｃケンウッド 補間装置、音再生装置、補間方法および補間プログラム
US7489111B2 (en) 2005-12-08 2009-02-10 Robert W. Wise Holstered cordless power tool
US7536299B2 (en) * 2005-12-19 2009-05-19 Dolby Laboratories Licensing Corporation Correlating and decorrelating transforms for multiple description coding systems
TWI311856B (en) * 2006-01-04 2009-07-01 Quanta Comp Inc Synthesis subband filtering method and apparatus
US7831434B2 (en) 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
KR100739786B1 (ko) * 2006-01-20 2007-07-13 삼성전자주식회사 다중 채널 디지털 앰프 시스템 및 그 신호 처리 방법
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
WO2007098258A1 (en) * 2006-02-24 2007-08-30 Neural Audio Corporation Audio codec conditioning system and method
US7590523B2 (en) * 2006-03-20 2009-09-15 Mindspeed Technologies, Inc. Speech post-processing using MDCT coefficients
CN101406073B (zh) * 2006-03-28 2013-01-09 弗劳恩霍夫应用研究促进协会 用于多声道音频重构中的信号成形的增强的方法
WO2007114291A1 (ja) * 2006-03-31 2007-10-11 Matsushita Electric Industrial Co., Ltd. 音声符号化装置、音声復号化装置、およびこれらの方法
US8392176B2 (en) * 2006-04-10 2013-03-05 Qualcomm Incorporated Processing of excitation in audio coding and decoding
EP2200026B1 (en) * 2006-05-10 2011-10-12 Panasonic Corporation Encoding apparatus and encoding method
JP2007310298A (ja) * 2006-05-22 2007-11-29 Oki Electric Ind Co Ltd 帯域外信号生成装置及び周波数帯域拡張装置
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
CN101479790B (zh) * 2006-06-29 2012-05-23 Nxp股份有限公司 噪声合成
JP4704499B2 (ja) * 2006-07-04 2011-06-15 ドルビー インターナショナル アクチボラゲット 圧縮サブバンド・フィルタ・インパルス応答を作るためのフィルタ・コンプレッサおよび方法
EP1881485A1 (en) 2006-07-18 2008-01-23 Deutsche Thomson-Brandt Gmbh Audio bitstream data structure arrangement of a lossy encoded signal together with lossless encoded extension data for said signal
EP2054879B1 (en) * 2006-08-15 2010-01-20 Broadcom Corporation Re-phasing of decoder states after packet loss
JP2008066851A (ja) * 2006-09-05 2008-03-21 Sony Corp 情報処理装置および情報処理方法、記録媒体、並びに、プログラム
CN101140759B (zh) * 2006-09-08 2010-05-12 华为技术有限公司 语音或音频信号的带宽扩展方法及系统
US8041578B2 (en) * 2006-10-18 2011-10-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Encoding an information signal
US8126721B2 (en) * 2006-10-18 2012-02-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Encoding an information signal
US8417532B2 (en) * 2006-10-18 2013-04-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Encoding an information signal
US8295507B2 (en) * 2006-11-09 2012-10-23 Sony Corporation Frequency band extending apparatus, frequency band extending method, player apparatus, playing method, program and recording medium
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
JP4967618B2 (ja) * 2006-11-24 2012-07-04 富士通株式会社 復号化装置および復号化方法
JP5103880B2 (ja) * 2006-11-24 2012-12-19 富士通株式会社 復号化装置および復号化方法
EP1927981B1 (en) * 2006-12-01 2013-02-20 Nuance Communications, Inc. Spectral refinement of audio signals
WO2008084688A1 (ja) * 2006-12-27 2008-07-17 Panasonic Corporation 符号化装置、復号装置及びこれらの方法
KR101379263B1 (ko) 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
EP1947644B1 (en) * 2007-01-18 2019-06-19 Nuance Communications, Inc. Method and apparatus for providing an acoustic signal with extended band-width
US7852745B2 (en) * 2007-03-02 2010-12-14 Signalink Technologies Inc. Non-orthogonal frequency-division multiplexed communication through a non-linear transmission medium
GB0704622D0 (en) * 2007-03-09 2007-04-18 Skype Ltd Speech coding system and method
EP2133872B1 (en) * 2007-03-30 2012-02-29 Panasonic Corporation Encoding device and encoding method
US7761290B2 (en) 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US7774205B2 (en) * 2007-06-15 2010-08-10 Microsoft Corporation Coding of sparse digital media spectral data
US8046214B2 (en) 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
JP5098492B2 (ja) * 2007-07-30 2012-12-12 ソニー株式会社 信号処理装置及び信号処理方法、並びにプログラム
US20090198500A1 (en) * 2007-08-24 2009-08-06 Qualcomm Incorporated Temporal masking in audio coding based on spectral dynamics in frequency sub-bands
US8428957B2 (en) 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands
WO2009029035A1 (en) * 2007-08-27 2009-03-05 Telefonaktiebolaget Lm Ericsson (Publ) Improved transform coding of speech and audio signals
WO2009055718A1 (en) * 2007-10-24 2009-04-30 Red Shift Company, Llc Producing phonitos based on feature vectors
US8396704B2 (en) * 2007-10-24 2013-03-12 Red Shift Company, Llc Producing time uniform feature vectors
US8249883B2 (en) 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
EP2202729B1 (en) * 2007-10-26 2017-03-15 D&M Holdings, Inc. Audio signal interpolation device and audio signal interpolation method
WO2009057327A1 (ja) * 2007-10-31 2009-05-07 Panasonic Corporation 符号化装置および復号装置
KR101290622B1 (ko) * 2007-11-02 2013-07-29 후아웨이 테크놀러지 컴퍼니 리미티드 오디오 복호화 방법 및 장치
CN101896968A (zh) * 2007-11-06 2010-11-24 诺基亚公司 音频编码装置及其方法
RU2483368C2 (ru) * 2007-11-06 2013-05-27 Нокиа Корпорейшн Кодер
WO2009059632A1 (en) * 2007-11-06 2009-05-14 Nokia Corporation An encoder
KR100970446B1 (ko) * 2007-11-21 2010-07-16 한국전자통신연구원 주파수 확장을 위한 가변 잡음레벨 결정 장치 및 그 방법
US8504377B2 (en) * 2007-11-21 2013-08-06 Lg Electronics Inc. Method and an apparatus for processing a signal using length-adjusted window
US8688441B2 (en) 2007-11-29 2014-04-01 Motorola Mobility Llc Method and apparatus to facilitate provision and use of an energy value to determine a spectral envelope shape for out-of-signal bandwidth content
EP2229677B1 (en) * 2007-12-18 2015-09-16 LG Electronics Inc. A method and an apparatus for processing an audio signal
WO2009081568A1 (ja) 2007-12-21 2009-07-02 Panasonic Corporation 符号化装置、復号装置および符号化方法
WO2009084221A1 (ja) * 2007-12-27 2009-07-09 Panasonic Corporation 符号化装置、復号装置およびこれらの方法
EP2077551B1 (en) * 2008-01-04 2011-03-02 Dolby Sweden AB Audio encoder and decoder
KR101413968B1 (ko) * 2008-01-29 2014-07-01 삼성전자주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
DE102008015702B4 (de) * 2008-01-31 2010-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Bandbreitenerweiterung eines Audiosignals
US8433582B2 (en) * 2008-02-01 2013-04-30 Motorola Mobility Llc Method and apparatus for estimating high-band energy in a bandwidth extension system
US20090201983A1 (en) 2008-02-07 2009-08-13 Motorola, Inc. Method and apparatus for estimating high-band energy in a bandwidth extension system
US20090203395A1 (en) * 2008-02-08 2009-08-13 Sony Ericsson Mobile Communications Ab Amplitude modulation radio transmission with extended bandwidth
MX2010009932A (es) 2008-03-10 2010-11-30 Fraunhofer Ges Forschung Metodo y dispositivo para manipular una señal de audio que tiene un evento transitorio.
JP5326311B2 (ja) 2008-03-19 2013-10-30 沖電気工業株式会社 音声帯域拡張装置、方法及びプログラム、並びに、音声通信装置
ES2796493T3 (es) * 2008-03-20 2020-11-27 Fraunhofer Ges Forschung Aparato y método para convertir una señal de audio en una representación parametrizada, aparato y método para modificar una representación parametrizada, aparato y método para sintetizar una representación parametrizada de una señal de audio
JP2009300707A (ja) * 2008-06-13 2009-12-24 Sony Corp 情報処理装置および方法、並びにプログラム
US8909361B2 (en) * 2008-06-19 2014-12-09 Broadcom Corporation Method and system for processing high quality audio in a hardware audio codec for audio transmission
US9378751B2 (en) * 2008-06-19 2016-06-28 Broadcom Corporation Method and system for digital gain processing in a hardware audio CODEC for audio transmission
JP5224219B2 (ja) * 2008-06-26 2013-07-03 独立行政法人科学技術振興機構 オーディオ信号圧縮装置、オーディオ信号圧縮方法、オーディオ信号復号装置及びオーディオ信号復号方法
US20140184509A1 (en) 2013-01-02 2014-07-03 Movea Sa Hand held pointing device with roll compensation
US8010313B2 (en) 2008-06-27 2011-08-30 Movea Sa Hand held pointing device with roll compensation
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
MY163454A (en) * 2008-07-11 2017-09-15 Frauenhofer-Gesellschaft Zur Apparatus or method for generating a bandwidth extended signal
PL2346030T3 (pl) * 2008-07-11 2015-03-31 Fraunhofer Ges Forschung Koder audio, sposób kodowania sygnału audio oraz program komputerowy
MX2011000367A (es) * 2008-07-11 2011-03-02 Fraunhofer Ges Forschung Un aparato y un metodo para calcular una cantidad de envolventes espectrales.
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
ES2796552T3 (es) * 2008-07-11 2020-11-27 Fraunhofer Ges Forschung Sintetizador de señales de audio y codificador de señales de audio
KR101756834B1 (ko) * 2008-07-14 2017-07-12 삼성전자주식회사 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치
US8463412B2 (en) * 2008-08-21 2013-06-11 Motorola Mobility Llc Method and apparatus to facilitate determining signal bounding frequencies
US8326640B2 (en) * 2008-08-26 2012-12-04 Broadcom Corporation Method and system for multi-band amplitude estimation and gain control in an audio CODEC
JP2010079275A (ja) * 2008-08-29 2010-04-08 Sony Corp 周波数帯域拡大装置及び方法、符号化装置及び方法、復号化装置及び方法、並びにプログラム
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
US8352279B2 (en) * 2008-09-06 2013-01-08 Huawei Technologies Co., Ltd. Efficient temporal envelope coding approach by prediction between low band signal and high band signal
WO2010028301A1 (en) * 2008-09-06 2010-03-11 GH Innovation, Inc. Spectrum harmonic/noise sharpness control
US8577673B2 (en) * 2008-09-15 2013-11-05 Huawei Technologies Co., Ltd. CELP post-processing for music signals
WO2010031003A1 (en) 2008-09-15 2010-03-18 Huawei Technologies Co., Ltd. Adding second enhancement layer to celp based core layer
US8831958B2 (en) 2008-09-25 2014-09-09 Lg Electronics Inc. Method and an apparatus for a bandwidth extension using different schemes
EP2184929B1 (en) 2008-11-10 2013-04-03 Oticon A/S N band FM demodulation to aid cochlear hearing impaired persons
US8548816B1 (en) * 2008-12-01 2013-10-01 Marvell International Ltd. Efficient scalefactor estimation in advanced audio coding and MP3 encoder
GB2466201B (en) 2008-12-10 2012-07-11 Skype Ltd Regeneration of wideband speech
CN101751925B (zh) * 2008-12-10 2011-12-21 华为技术有限公司 一种语音解码方法及装置
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
PL4224475T3 (pl) 2008-12-15 2024-03-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
AU2013203159B2 (en) * 2008-12-15 2015-09-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder and bandwidth extension decoder
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
US20100191534A1 (en) * 2009-01-23 2010-07-29 Qualcomm Incorporated Method and apparatus for compression or decompression of digital signals
DK2211339T3 (en) * 2009-01-23 2017-08-28 Oticon As listening System
CA3210604A1 (en) 2009-01-28 2010-08-05 Dolby International Ab Improved harmonic transposition
AU2013211560B2 (en) * 2009-01-28 2016-04-28 Dolby International Ab Improved harmonic transposition
AU2015221516B2 (en) * 2009-01-28 2017-08-10 Dolby International Ab Improved Harmonic Transposition
RU2493618C2 (ru) 2009-01-28 2013-09-20 Долби Интернешнл Аб Усовершенствованное гармоническое преобразование
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
US8463599B2 (en) 2009-02-04 2013-06-11 Motorola Mobility Llc Bandwidth extension method and apparatus for a modified discrete cosine transform audio coder
EP2394442B1 (en) 2009-02-06 2016-12-21 Oticon A/S Spectral band substitution to avoid howls and sub-oscillation
TWI788752B (zh) * 2009-02-18 2023-01-01 瑞典商杜比國際公司 用於高頻重建或參數立體聲之複指數調變濾波器組
TWI618350B (zh) 2009-02-18 2018-03-11 杜比國際公司 用於高頻重建或參數立體聲之複指數調變濾波器組
CN105225667B (zh) 2009-03-17 2019-04-05 杜比国际公司 编码器系统、解码器系统、编码方法和解码方法
JP5267257B2 (ja) * 2009-03-23 2013-08-21 沖電気工業株式会社 音声ミキシング装置、方法及びプログラム、並びに、音声会議システム
EP2239732A1 (en) 2009-04-09 2010-10-13 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Apparatus and method for generating a synthesis audio signal and for encoding an audio signal
RU2452044C1 (ru) 2009-04-02 2012-05-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство, способ и носитель с программным кодом для генерирования представления сигнала с расширенным диапазоном частот на основе представления входного сигнала с использованием сочетания гармонического расширения диапазона частот и негармонического расширения диапазона частот
JP4932917B2 (ja) * 2009-04-03 2012-05-16 株式会社エヌ・ティ・ティ・ドコモ 音声復号装置、音声復号方法、及び音声復号プログラム
JP4921611B2 (ja) * 2009-04-03 2012-04-25 株式会社エヌ・ティ・ティ・ドコモ 音声復号装置、音声復号方法、及び音声復号プログラム
CN101521014B (zh) * 2009-04-08 2011-09-14 武汉大学 音频带宽扩展编解码装置
CO6440537A2 (es) 2009-04-09 2012-05-15 Fraunhofer Ges Forschung Aparato y metodo para generar una señal de audio de sintesis y para codificar una señal de audio
AU2013207549B2 (en) * 2009-04-09 2015-06-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating a synthesis audio signal and for encoding an audio signal
AU2015264887B2 (en) * 2009-05-27 2017-12-07 Dolby International Ab Efficient Combined Harmonic Transposition
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
US8971551B2 (en) 2009-09-18 2015-03-03 Dolby International Ab Virtual bass synthesis using harmonic transposition
AU2013263712B2 (en) * 2009-05-27 2015-11-12 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
AU2014201331B2 (en) * 2009-06-29 2015-10-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Bandwidth extension encoder, bandwidth extension decoder and phase vocoder
ES2400661T3 (es) * 2009-06-29 2013-04-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificación y decodificación de extensión de ancho de banda
JP5365380B2 (ja) * 2009-07-07 2013-12-11 ソニー株式会社 音響信号処理装置、その処理方法およびプログラム
EP2306456A1 (en) * 2009-09-04 2011-04-06 Thomson Licensing Method for decoding an audio signal that has a base layer and an enhancement layer
JP5031006B2 (ja) * 2009-09-04 2012-09-19 パナソニック株式会社 スケーラブル復号化装置及びスケーラブル復号化方法
JP5433022B2 (ja) * 2009-09-18 2014-03-05 ドルビー インターナショナル アーベー 高調波転換
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
WO2011048792A1 (ja) * 2009-10-21 2011-04-28 パナソニック株式会社 音響信号処理装置、音響符号化装置および音響復号装置
EP3998606B8 (en) * 2009-10-21 2022-12-07 Dolby International AB Oversampling in a combined transposer filter bank
JP5844266B2 (ja) * 2009-10-21 2016-01-13 ドルビー・インターナショナル・アクチボラゲットＤｏｌｂｙ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ａｂ 適応オーバーサンプリングを用いる高周波数オーディオ信号を発生させるための装置および方法
US20110257978A1 (en) * 2009-10-23 2011-10-20 Brainlike, Inc. Time Series Filtering, Data Reduction and Voice Recognition in Communication Device
TWI484473B (zh) 2009-10-30 2015-05-11 Dolby Int Ab 用於從編碼位元串流擷取音訊訊號之節奏資訊、及估算音訊訊號之知覺顯著節奏的方法及系統
WO2011062536A1 (en) * 2009-11-19 2011-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Improved excitation signal bandwidth extension
CN102612712B (zh) * 2009-11-19 2014-03-12 瑞典爱立信有限公司 低频带音频信号的带宽扩展
JP5812998B2 (ja) * 2009-11-19 2015-11-17 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） オーディオコーデックにおけるラウドネスおよびシャープネスの補償のための方法および装置
KR101370870B1 (ko) * 2009-12-16 2014-03-07 돌비 인터네셔널 에이비 Ｓｂｒ 비트스트림 파라미터 다운믹스
AU2014200151B2 (en) * 2010-01-19 2015-04-16 Dolby International Ab Improved subband block based harmonic transposition
AU2015203065B2 (en) * 2010-01-19 2017-05-11 Dolby International Ab Improved subband block based harmonic transposition
EP4120263B1 (en) * 2010-01-19 2023-08-09 Dolby International AB Improved subband block based harmonic transposition
KR101712101B1 (ko) * 2010-01-28 2017-03-03 삼성전자 주식회사 신호 처리 방법 및 장치
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
ES2935637T3 (es) * 2010-03-09 2023-03-08 Fraunhofer Ges Forschung Reconstrucción de alta frecuencia de una señal de audio de entrada usando bancos de filtros en cascada
WO2011110496A1 (en) 2010-03-09 2011-09-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for handling transient sound events in audio signals when changing the replay speed or pitch
JP5854520B2 (ja) * 2010-03-09 2016-02-09 フラウンホーファーゲゼルシャフトツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． オーディオ信号用の位相ボコーダに基づく帯域幅拡張方法における改善された振幅応答及び時間的整列のための装置及び方法
EP2375782B1 (en) * 2010-04-09 2018-12-12 Oticon A/S Improvements in sound perception using frequency transposition by moving the envelope
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
JP5554876B2 (ja) 2010-04-16 2014-07-23 フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． ガイドされた帯域幅拡張およびブラインド帯域幅拡張を用いて広帯域信号を生成するため装置、方法およびコンピュータプログラム
US8452826B2 (en) * 2010-05-04 2013-05-28 Raytheon Applied Signal Technology, Inc. Digital frequency channelizer
US8751225B2 (en) 2010-05-12 2014-06-10 Electronics And Telecommunications Research Institute Apparatus and method for coding signal in a communication system
US8600737B2 (en) * 2010-06-01 2013-12-03 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for wideband speech coding
HUE028738T2 (en) * 2010-06-09 2017-01-30 Panasonic Ip Corp America Bandwidth Extension Procedure, Bandwidth Extension Device, Program, Integrated Circuit, and Audio Decoder
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
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
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
US8762158B2 (en) * 2010-08-06 2014-06-24 Samsung Electronics Co., Ltd. Decoding method and decoding apparatus therefor
JP5665987B2 (ja) 2010-08-12 2015-02-04 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ Ｑｍｆベースのオーディオコーデックの出力信号のリサンプリング
ES2938725T3 (es) 2010-09-16 2023-04-14 Dolby Int Ab Transposición armónica basada en bloque de subbanda mejorado de producto cruzado
JP5552988B2 (ja) * 2010-09-27 2014-07-16 富士通株式会社 音声帯域拡張装置および音声帯域拡張方法
US8868432B2 (en) * 2010-10-15 2014-10-21 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
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
US8924200B2 (en) * 2010-10-15 2014-12-30 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
KR20120046627A (ko) * 2010-11-02 2012-05-10 삼성전자주식회사 화자 적응 방법 및 장치
TWI412022B (zh) * 2010-12-30 2013-10-11 Univ Nat Cheng Kung 遞迴式離散餘弦正、逆轉換之系統
JP5743137B2 (ja) 2011-01-14 2015-07-01 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
MY165853A (en) 2011-02-14 2018-05-18 Fraunhofer Ges Forschung Linear prediction based coding scheme using spectral domain noise shaping
TWI483245B (zh) * 2011-02-14 2015-05-01 Fraunhofer Ges Forschung 利用重疊變換之資訊信號表示技術
EP2676270B1 (en) 2011-02-14 2017-02-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coding a portion of an audio signal using a transient detection and a quality result
EP2676268B1 (en) 2011-02-14 2014-12-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing a decoded audio signal in a spectral domain
TR201903388T4 (tr) 2011-02-14 2019-04-22 Fraunhofer Ges Forschung Bir ses sinyalinin parçalarının darbe konumlarının şifrelenmesi ve çözülmesi.
PL3407352T3 (pl) * 2011-02-18 2022-08-08 Ntt Docomo, Inc. Dekoder mowy, koder mowy, sposób dekodowania mowy, sposób kodowania mowy, program do dekodowania mowy i program do kodowania mowy
EP2697795B1 (en) * 2011-04-15 2015-06-17 Telefonaktiebolaget L M Ericsson (PUBL) Adaptive gain-shape rate sharing
JP5648123B2 (ja) * 2011-04-20 2015-01-07 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 音声音響符号化装置、音声音響復号装置、およびこれらの方法
JP5986565B2 (ja) * 2011-06-09 2016-09-06 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 音声符号化装置、音声復号装置、音声符号化方法及び音声復号方法
US9070361B2 (en) * 2011-06-10 2015-06-30 Google Technology Holdings LLC Method and apparatus for encoding a wideband speech signal utilizing downmixing of a highband component
DE102011106034A1 (de) * 2011-06-30 2013-01-03 Zte Corporation Verfahren und Vorrichtung zur Spektralbandreplikation und Verfahren und System zur Audiodecodierung
US20130006644A1 (en) * 2011-06-30 2013-01-03 Zte Corporation Method and device for spectral band replication, and method and system for audio decoding
EP2562751B1 (en) 2011-08-22 2014-06-11 Svox AG Temporal interpolation of adjacent spectra
JP6037156B2 (ja) 2011-08-24 2016-11-30 ソニー株式会社 符号化装置および方法、並びにプログラム
JP5975243B2 (ja) 2011-08-24 2016-08-23 ソニー株式会社 符号化装置および方法、並びにプログラム
JP5807453B2 (ja) * 2011-08-30 2015-11-10 富士通株式会社 符号化方法、符号化装置および符号化プログラム
US8774308B2 (en) 2011-11-01 2014-07-08 At&T Intellectual Property I, L.P. Method and apparatus for improving transmission of data on a bandwidth mismatched channel
US8781023B2 (en) 2011-11-01 2014-07-15 At&T Intellectual Property I, L.P. Method and apparatus for improving transmission of data on a bandwidth expanded channel
EP3544006A1 (en) 2011-11-11 2019-09-25 Dolby International AB Upsampling using oversampled sbr
JP5817499B2 (ja) 2011-12-15 2015-11-18 富士通株式会社 復号装置、符号化装置、符号化復号システム、復号方法、符号化方法、復号プログラム、及び符号化プログラム
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
WO2013142650A1 (en) 2012-03-23 2013-09-26 Dolby International Ab Enabling sampling rate diversity in a voice communication system
US8965290B2 (en) * 2012-03-29 2015-02-24 General Electric Company Amplitude enhanced frequency modulation
JP5997592B2 (ja) 2012-04-27 2016-09-28 株式会社Ｎｔｔドコモ 音声復号装置
EP2682941A1 (de) * 2012-07-02 2014-01-08 Technische Universität Ilmenau Vorrichtung, Verfahren und Computerprogramm für frei wählbare Frequenzverschiebungen in der Subband-Domäne
JP6065452B2 (ja) * 2012-08-14 2017-01-25 富士通株式会社 データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム
EP2704142B1 (en) 2012-08-27 2015-09-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for reproducing an audio signal, apparatus and method for generating a coded audio signal, computer program and coded audio signal
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
US9129600B2 (en) * 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
SG11201505912QA (en) 2013-01-29 2015-08-28 Fraunhofer Ges Forschung Audio encoder, audio decoder, method for providing an encoded audio information, method for providing a decoded audio information, computer program and encoded representation using a signal-adaptive bandwidth extension
JP6146069B2 (ja) 2013-03-18 2017-06-14 富士通株式会社 データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム
KR101632238B1 (ko) 2013-04-05 2016-06-21 돌비 인터네셔널 에이비 인터리브된 파형 코딩을 위한 오디오 인코더 및 디코더
EP4300488A3 (en) * 2013-04-05 2024-02-28 Dolby International AB Stereo audio encoder and decoder
US8804971B1 (en) 2013-04-30 2014-08-12 Dolby International Ab Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
AU2014280258B9 (en) 2013-06-10 2017-04-20 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for audio signal envelope encoding, processing and decoding by modelling a cumulative sum representation employing distribution quantization and coding
MY170179A (en) * 2013-06-10 2019-07-09 Fraunhofer Ges Forschung Apparatus and method for audio signal envelope encoding, processing and decoding by splitting the audio signal envelope employing distribution quantization and coding
DK2822263T3 (da) 2013-07-05 2019-06-17 Sennheiser Communications As Kommunikationsanordning med ekkoundertrykkelse
EP2830055A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Context-based entropy coding of sample values of a spectral envelope
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
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
EP2871641A1 (en) * 2013-11-12 2015-05-13 Dialog Semiconductor B.V. Enhancement of narrowband audio signals using a single sideband AM modulation
CN105765655A (zh) * 2013-11-22 2016-07-13 高通股份有限公司 高频带译码中的选择性相位补偿
CA3162763A1 (en) 2013-12-27 2015-07-02 Sony Corporation Decoding apparatus and method, and program
CN103795420B (zh) * 2014-02-10 2017-04-05 南京邮电大学 一种基于分段的sbr多属性数据压缩方法
EP4325488A3 (en) 2014-02-28 2024-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoding device, encoding device, decoding method, encoding method, terminal device, and base station device
JP6439296B2 (ja) * 2014-03-24 2018-12-19 ソニー株式会社 復号装置および方法、並びにプログラム
CN111710342B (zh) 2014-03-31 2024-04-16 弗朗霍弗应用研究促进协会 编码装置、解码装置、编码方法、解码方法及程序
EP2963649A1 (en) 2014-07-01 2016-01-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio processor and method for processing an audio signal using horizontal phase correction
KR102125410B1 (ko) * 2015-02-26 2020-06-22 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 타깃 시간 도메인 포락선을 사용하여 처리된 오디오 신호를 얻도록 오디오 신호를 처리하기 위한 장치 및 방법
TWI732403B (zh) * 2015-03-13 2021-07-01 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
TW202242853A (zh) * 2015-03-13 2022-11-01 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
WO2016180704A1 (en) 2015-05-08 2016-11-17 Dolby International Ab Dialog enhancement complemented with frequency transposition
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
US9837089B2 (en) * 2015-06-18 2017-12-05 Qualcomm Incorporated High-band signal generation
US10861475B2 (en) * 2015-11-10 2020-12-08 Dolby International Ab Signal-dependent companding system and method to reduce quantization noise
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
WO2017132366A1 (en) 2016-01-26 2017-08-03 Dolby Laboratories Licensing Corporation Adaptive quantization
JP6763194B2 (ja) * 2016-05-10 2020-09-30 株式会社Ｊｖｃケンウッド 符号化装置、復号装置、通信システム
EP3246923A1 (en) * 2016-05-20 2017-11-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing a multichannel audio signal
JP6621709B2 (ja) * 2016-05-26 2019-12-18 アルパイン株式会社 音声処理装置、音声処理方法及びコンピュータプログラム
CN107845385B (zh) * 2016-09-19 2021-07-13 南宁富桂精密工业有限公司 信息隐藏的编解码方法及系统
GB201620317D0 (en) * 2016-11-30 2017-01-11 Microsoft Technology Licensing Llc Audio signal processing
NO343581B1 (no) * 2017-03-01 2019-04-08 Dolby Int Ab Fremgangsmåte, anordning og program til spektralinnhyllingsjustering
CN109215675B (zh) * 2017-07-05 2021-08-03 苏州谦问万答吧教育科技有限公司 一种啸叫抑制的方法、装置及设备
US10714098B2 (en) * 2017-12-21 2020-07-14 Dolby Laboratories Licensing Corporation Selective forward error correction for spatial audio codecs
BR112020021832A2 (pt) 2018-04-25 2021-02-23 Dolby International Ab integração de técnicas de reconstrução de alta frequência
WO2019210068A1 (en) 2018-04-25 2019-10-31 Dolby Laboratories Licensing Corporation Integration of high frequency reconstruction techniques with reduced post-processing delay
EP3671741A1 (en) * 2018-12-21 2020-06-24 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Audio processor and method for generating a frequency-enhanced audio signal using pulse processing
CN113113032A (zh) * 2020-01-10 2021-07-13 华为技术有限公司 一种音频编解码方法和音频编解码设备
WO2022097242A1 (ja) * 2020-11-05 2022-05-12 日本電信電話株式会社 音信号高域補償方法、音信号後処理方法、音信号復号方法、これらの装置、プログラム、および記録媒体
WO2022097240A1 (ja) * 2020-11-05 2022-05-12 日本電信電話株式会社 音信号高域補償方法、音信号後処理方法、音信号復号方法、これらの装置、プログラム、および記録媒体
CN113516987B (zh) * 2021-07-16 2024-04-12 科大讯飞股份有限公司 一种说话人识别方法、装置、存储介质及设备

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150253A (en) * 1976-03-15 1979-04-17 Inter-Technology Exchange Ltd. Signal distortion circuit and method of use
US4667340A (en) * 1983-04-13 1987-05-19 Texas Instruments Incorporated Voice messaging system with pitch-congruent baseband coding
US4790016A (en) * 1985-11-14 1988-12-06 Gte Laboratories Incorporated Adaptive method and apparatus for coding speech
CA1220282A (en) * 1985-04-03 1987-04-07 Northern Telecom Limited Transmission of wideband speech signals
SE444750B (sv) * 1985-06-04 1986-04-28 Lars Gustaf Liljeryd Metod for att pa elektronisk veg astadkomma fortydligande av ljud- eller bildinformation jemte anordning for utforande av metoden
US4776014A (en) * 1986-09-02 1988-10-04 General Electric Company Method for pitch-aligned high-frequency regeneration in RELP vocoders
US4771465A (en) 1986-09-11 1988-09-13 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech sinusoidal vocoder with transmission of only subset of harmonics
US5127054A (en) * 1988-04-29 1992-06-30 Motorola, Inc. Speech quality improvement for voice coders and synthesizers
US5040217A (en) 1989-10-18 1991-08-13 At&T Bell Laboratories Perceptual coding of audio signals
US5388181A (en) * 1990-05-29 1995-02-07 Anderson; David J. Digital audio compression system
US5436940A (en) * 1992-06-11 1995-07-25 Massachusetts Institute Of Technology Quadrature mirror filter banks and method
CA2106440C (en) * 1992-11-30 1997-11-18 Jelena Kovacevic Method and apparatus for reducing correlated errors in subband coding systems with quantizers
US5684920A (en) 1994-03-17 1997-11-04 Nippon Telegraph And Telephone Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein
US5717823A (en) * 1994-04-14 1998-02-10 Lucent Technologies Inc. Speech-rate modification for linear-prediction based analysis-by-synthesis speech coders
US5687340A (en) * 1995-05-16 1997-11-11 Hewlett-Packard Company Reduced area floating point processor control logic utilizing a decoder between a control unit and the FPU
US5692050A (en) * 1995-06-15 1997-11-25 Binaura Corporation Method and apparatus for spatially enhancing stereo and monophonic signals
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US5687191A (en) 1995-12-06 1997-11-11 Solana Technology Development Corporation Post-compression hidden data transport
US5822370A (en) * 1996-04-16 1998-10-13 Aura Systems, Inc. Compression/decompression for preservation of high fidelity speech quality at low bandwidth
US6049766A (en) * 1996-11-07 2000-04-11 Creative Technology Ltd. Time-domain time/pitch scaling of speech or audio signals with transient handling
JP3017715B2 (ja) * 1997-10-31 2000-03-13 松下電器産業株式会社 音声再生装置
EP0957579A1 (en) * 1998-05-15 1999-11-17 Deutsche Thomson-Brandt Gmbh Method and apparatus for sampling-rate conversion of audio signals
JP3546755B2 (ja) * 1999-05-06 2004-07-28 ヤマハ株式会社 リズム音源信号の時間軸圧伸方法及び装置
US6988066B2 (en) * 2001-10-04 2006-01-17 At&T Corp. Method of bandwidth extension for narrow-band speech

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