BR9805989B1 - método e aparelho para decodificar um sinal codificado. - Google Patents

método e aparelho para decodificar um sinal codificado.

Info

Publication number
BR9805989B1
BR9805989B1 BRPI9805989-0A BR9805989A BR9805989B1 BR 9805989 B1 BR9805989 B1 BR 9805989B1 BR 9805989 A BR9805989 A BR 9805989A BR 9805989 B1 BR9805989 B1 BR 9805989B1
Authority
BR
Brazil
Prior art keywords
codec
combination
perceptual quality
given
bitrate
Prior art date
Application number
BRPI9805989-0A
Other languages
English (en)
Portuguese (pt)
Other versions
BR9805989A (pt
Inventor
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/xx
Priority claimed from SE9704634A external-priority patent/SE9704634D0/xx
Application filed filed Critical
Publication of BR9805989A publication Critical patent/BR9805989A/pt
Publication of BR9805989B1 publication Critical patent/BR9805989B1/pt

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • 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)
  • Spectrometry And Color Measurement (AREA)
  • Luminescent Compositions (AREA)
  • Pyridine Compounds (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Cosmetics (AREA)
BRPI9805989-0A 1997-06-10 1998-06-09 método e aparelho para decodificar um sinal codificado. BR9805989B1 (pt)

Applications Claiming Priority (4)

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
PCT/IB1998/000893 WO1998057436A2 (en) 1997-06-10 1998-06-09 Source coding enhancement using spectral-band replication

Publications (2)

Publication Number Publication Date
BR9805989A BR9805989A (pt) 1999-08-31
BR9805989B1 true BR9805989B1 (pt) 2009-12-01

Family

ID=27355877

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9805989-0A BR9805989B1 (pt) 1997-06-10 1998-06-09 método e aparelho para decodificar um sinal codificado.

Country Status (13)

Country Link
US (4) US6680972B1 (https=)
EP (2) EP1367566B1 (https=)
JP (2) JP3871347B2 (https=)
CN (2) CN1308916C (https=)
AT (2) ATE257987T1 (https=)
AU (1) AU7446598A (https=)
BR (1) BR9805989B1 (https=)
DE (2) DE69821089T2 (https=)
DK (2) DK0940015T3 (https=)
ES (2) ES2213901T3 (https=)
PT (2) PT940015E (https=)
SE (1) SE512719C2 (https=)
WO (1) WO1998057436A2 (https=)

Families Citing this family (427)

* 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
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)
SE9903552D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Efficient spectral envelope coding using dynamic scalefactor grouping and time/frequency switching
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
WO2001053982A1 (en) * 2000-01-18 2001-07-26 National Research Council Of Canada Parallel correlator archtitecture
FI119576B (fi) * 2000-03-07 2008-12-31 Nokia Corp Puheenkäsittelylaite ja menetelmä puheen käsittelemiseksi, sekä digitaalinen radiopuhelin
WO2001069593A1 (en) * 2000-03-15 2001-09-20 Koninklijke Philips Electronics N.V. Laguerre fonction for audio coding
US7742927B2 (en) 2000-04-18 2010-06-22 France Telecom Spectral enhancing method and device
FR2807897B1 (fr) † 2000-04-18 2003-07-18 France Telecom Methode et dispositif d'enrichissement spectral
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
WO2002058052A1 (en) * 2001-01-19 2002-07-25 Koninklijke Philips Electronics N.V. Wideband signal transmission system
US7660424B2 (en) 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
FR2821476B1 (fr) * 2001-02-23 2003-04-11 France Telecom Procede de reconstruction spectrale de signal audio a spectre incomplet et dispositif correspondant
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
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
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
US7602936B2 (en) * 2001-03-08 2009-10-13 Sony Corporation Method to make wavelet watermarks resistant to affine transformations
US6865273B2 (en) * 2002-06-05 2005-03-08 Sony Corporation Method and apparatus to detect watermark that are resistant to resizing, rotation and translation
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
WO2003003345A1 (en) 2001-06-29 2003-01-09 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
DE60230856D1 (de) * 2001-07-13 2009-03-05 Panasonic Corp Audiosignaldecodierungseinrichtung und audiosignalcodierungseinrichtung
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
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
KR20040048978A (ko) * 2001-10-25 2004-06-10 코닌클리케 필립스 일렉트로닉스 엔.브이. 감소된 대역폭을 가진 전송 채널 상에 광대역 오디오신호들을 전송하는 방법
CN1324558C (zh) 2001-11-02 2007-07-04 松下电器产业株式会社 编码设备,解码设备以及音频数据分配系统
DE10154932B4 (de) * 2001-11-08 2008-01-03 Grundig Multimedia B.V. Verfahren zur Audiocodierung
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
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
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
US7317811B2 (en) * 2001-11-28 2008-01-08 Sony Electronics Inc. Method to decode temporal watermarks in compressed video
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
DE60202881T2 (de) 2001-11-29 2006-01-19 Coding Technologies Ab Wiederherstellung von hochfrequenzkomponenten
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
DE60238791D1 (de) * 2002-03-20 2011-02-10 Dounaev Igor Borisovich Verfahren und systeme zur digitalen datenübertragung
US20030187663A1 (en) * 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
DE60307252T2 (de) 2002-04-11 2007-07-19 Matsushita Electric Industrial Co., Ltd., Kadoma Einrichtungen, verfahren und programme zur kodierung und dekodierung
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
BRPI0311601B8 (pt) 2002-07-19 2018-02-14 Matsushita Electric Industrial Co Ltd "aparelho e método decodificador de áudio"
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
US7058571B2 (en) * 2002-08-01 2006-06-06 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus and method for band expansion with aliasing suppression
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
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
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
ATE318405T1 (de) * 2002-09-19 2006-03-15 Matsushita Electric Industrial Co Ltd Audiodecodierungsvorrichtung und -verfahren
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
KR100923300B1 (ko) * 2003-03-22 2009-10-23 삼성전자주식회사 대역 확장 기법을 이용한 오디오 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
RU2244386C2 (ru) * 2003-03-28 2005-01-10 Корпорация "Самсунг Электроникс" Способ восстановления высокочастотной составляющей аудиосигнала и устройство для его реализации
US20070038439A1 (en) * 2003-04-17 2007-02-15 Koninklijke Philips Electronics N.V. Groenewoudseweg 1 Audio signal generation
DE602004005020T2 (de) * 2003-04-17 2007-10-31 Koninklijke Philips Electronics N.V. Audiosignalsynthese
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
CN100508030C (zh) * 2003-06-30 2009-07-01 皇家飞利浦电子股份有限公司 一种编码/解码音频信号的方法及相应设备
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 (fi) * 2003-07-14 2007-12-14 Nokia Corp Parannettu eksitaatio ylemmän kaistan koodaukselle koodekissa, joka käyttää kaistojen jakoon perustuvia koodausmenetelmiä
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
DE602004032587D1 (de) 2003-09-16 2011-06-16 Panasonic Corp Codierungsvorrichtung und Decodierungsvorrichtung
US7844451B2 (en) * 2003-09-16 2010-11-30 Panasonic Corporation Spectrum coding/decoding apparatus and method for reducing distortion of two band spectrums
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
EP1672618B1 (en) 2003-10-07 2010-12-15 Panasonic Corporation Method for deciding time boundary for encoding spectrum envelope and frequency resolution
US7461003B1 (en) * 2003-10-22 2008-12-02 Tellabs Operations, Inc. Methods and apparatus for improving the quality of speech signals
CN100507485C (zh) 2003-10-23 2009-07-01 松下电器产业株式会社 频谱编码装置和频谱解码装置
CN1875402B (zh) * 2003-10-30 2012-03-21 皇家飞利浦电子股份有限公司 音频信号编码或解码
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
EP1719114A2 (en) * 2004-02-18 2006-11-08 Philips Intellectual Property & Standards GmbH Method and system for generating training data for an automatic speech recogniser
RU2259632C1 (ru) * 2004-03-24 2005-08-27 Московский государственный университет путей сообщения (МИИТ) Способ деления полосы частот передаваемого сигнала и устройство для его осуществления
JP4741476B2 (ja) 2004-04-23 2011-08-03 パナソニック株式会社 符号化装置
KR20070009644A (ko) * 2004-04-27 2007-01-18 마츠시타 덴끼 산교 가부시키가이샤 스케일러블 부호화 장치, 스케일러블 복호화 장치 및 그방법
US8629836B2 (en) 2004-04-30 2014-01-14 Hillcrest Laboratories, Inc. 3D pointing devices with orientation compensation and improved usability
KR100985364B1 (ko) 2004-04-30 2010-10-04 힐크레스트 래보래토리스, 인크. 3ｄ 포인팅 장치 및 방법
CN100559138C (zh) * 2004-05-14 2009-11-11 松下电器产业株式会社 编码装置、解码装置以及编码/解码方法
EP1744139B1 (en) 2004-05-14 2015-11-11 Panasonic Intellectual Property Corporation of America Decoding apparatus and method thereof
US8463602B2 (en) 2004-05-19 2013-06-11 Panasonic Corporation Encoding device, decoding device, and method thereof
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
WO2006030754A1 (ja) * 2004-09-17 2006-03-23 Matsushita Electric Industrial Co., Ltd. オーディオ符号化装置、復号化装置、方法、及びプログラム
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
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
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
EP1798724B1 (en) 2004-11-05 2014-06-18 Panasonic Corporation Encoder, decoder, encoding method, and decoding method
US8137195B2 (en) 2004-11-23 2012-03-20 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
EP1840874B1 (en) * 2005-01-11 2019-04-10 NEC Corporation Audio encoding device, audio encoding method, and audio encoding program
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
US7970602B2 (en) * 2005-02-24 2011-06-28 Panasonic Corporation Data reproduction device
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
BRPI0608270A2 (pt) * 2005-04-01 2009-10-06 Qualcomm Inc sistemas, métodos e equipamento para filtragem anti-dispersão
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
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
US8086451B2 (en) 2005-04-20 2011-12-27 Qnx Software Systems Co. System for improving speech intelligibility through high frequency compression
CN101199003B (zh) 2005-04-22 2012-01-11 高通股份有限公司 用于增益因数衰减的系统、方法和设备
EP1742509B1 (en) 2005-07-08 2013-08-14 Oticon A/S A system and method for eliminating feedback and noise in a hearing device
DE102005032724B4 (de) * 2005-07-13 2009-10-08 Siemens Ag Verfahren und Vorrichtung zur künstlichen Erweiterung der Bandbreite von Sprachsignalen
US7562021B2 (en) * 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
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
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
WO2007029796A1 (ja) * 2005-09-08 2007-03-15 Pioneer Corporation 帯域拡張装置、帯域拡張方法および帯域拡張プログラム
CN101273404B (zh) 2005-09-30 2012-07-04 松下电器产业株式会社 语音编码装置以及语音编码方法
US20070118361A1 (en) * 2005-10-07 2007-05-24 Deepen Sinha Window apparatus and 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
CN101273403B (zh) * 2005-10-14 2012-01-18 松下电器产业株式会社 可扩展编码装置、可扩展解码装置以及其方法
KR100739180B1 (ko) * 2005-10-20 2007-07-13 엘지전자 주식회사 이동 통신 단말기의 멀티미디어 데이터를 송수신하는 장치및 그 방법
JP4950210B2 (ja) * 2005-11-04 2012-06-13 ノキア コーポレイション オーディオ圧縮
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
EP2381440A3 (en) * 2005-11-30 2012-03-21 Panasonic Corporation Subband coding apparatus and method of coding subband
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
KR100739786B1 (ko) * 2006-01-20 2007-07-13 삼성전자주식회사 다중 채널 디지털 앰프 시스템 및 그 신호 처리 방법
US7831434B2 (en) 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
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
KR101001835B1 (ko) * 2006-03-28 2010-12-15 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 멀티 채널 오디오 재구성에서 신호 셰이핑을 위한 개선 방법
US20090248407A1 (en) * 2006-03-31 2009-10-01 Panasonic Corporation Sound encoder, sound decoder, and their methods
US8392176B2 (en) * 2006-04-10 2013-03-05 Qualcomm Incorporated Processing of excitation in audio coding and decoding
ATE528750T1 (de) 2006-05-10 2011-10-15 Panasonic Corp Kodierungsvorrichtung und -verfahren
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
US9159333B2 (en) 2006-06-21 2015-10-13 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
KR101390188B1 (ko) * 2006-06-21 2014-04-30 삼성전자주식회사 적응적 고주파수영역 부호화 및 복호화 방법 및 장치
WO2007148925A1 (en) 2006-06-21 2007-12-27 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
PL4481731T3 (pl) * 2006-07-04 2025-12-01 Dolby International Ab Układ filtra zawierający konwerter filtra i kompresor filtra i sposób działania układu filtra
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
US20080046233A1 (en) 2006-08-15 2008-02-21 Broadcom Corporation Packet Loss Concealment for Sub-band Predictive Coding Based on Extrapolation of Full-band Audio Waveform
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
US8417532B2 (en) * 2006-10-18 2013-04-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Encoding an information signal
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
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
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
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
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
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
JP5355387B2 (ja) * 2007-03-30 2013-11-27 パナソニック株式会社 符号化装置および符号化方法
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
US8428957B2 (en) 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands
US20090198500A1 (en) * 2007-08-24 2009-08-06 Qualcomm Incorporated Temporal masking in audio coding based on spectral dynamics in frequency sub-bands
EP2186087B1 (en) 2007-08-27 2011-11-30 Telefonaktiebolaget L M Ericsson (PUBL) Improved transform coding of speech and audio signals
US8396704B2 (en) * 2007-10-24 2013-03-12 Red Shift Company, Llc Producing time uniform feature vectors
WO2009055715A1 (en) * 2007-10-24 2009-04-30 Red Shift Company, Llc Producing time uniform feature vectors of speech
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
EP2209114B1 (en) 2007-10-31 2014-05-14 Panasonic Corporation Speech coding/decoding apparatus/method
RU2449386C2 (ru) * 2007-11-02 2012-04-27 Хуавэй Текнолоджиз Ко., Лтд. Способ и устройство для аудиодекодирования
RU2483368C2 (ru) * 2007-11-06 2013-05-27 Нокиа Корпорейшн Кодер
WO2009059631A1 (en) * 2007-11-06 2009-05-14 Nokia Corporation Audio coding apparatus and method thereof
EP2227682A1 (en) * 2007-11-06 2010-09-15 Nokia Corporation An encoder
KR100970446B1 (ko) * 2007-11-21 2010-07-16 한국전자통신연구원 주파수 확장을 위한 가변 잡음레벨 결정 장치 및 그 방법
MX2010002629A (es) * 2007-11-21 2010-06-02 Lg Electronics Inc Metodo y aparato para procesar una señal.
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
AU2008339211B2 (en) * 2007-12-18 2011-06-23 Lg Electronics Inc. A method and an apparatus for processing an audio signal
ES2629453T3 (es) 2007-12-21 2017-08-09 Iii Holdings 12, Llc Codificador, descodificador y procedimiento de codificación
US20100280833A1 (en) * 2007-12-27 2010-11-04 Panasonic Corporation Encoding device, decoding device, and method thereof
DE602008005250D1 (de) * 2008-01-04 2011-04-14 Dolby Sweden Ab Audiokodierer und -dekodierer
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
KR101230479B1 (ko) 2008-03-10 2013-02-06 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 트랜지언트 이벤트를 갖는 오디오 신호를 조작하기 위한 장치 및 방법
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
ES2895268T3 (es) * 2008-03-20 2022-02-18 Fraunhofer Ges Forschung Aparato y método para modificar una representación parametrizada
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
US8010313B2 (en) * 2008-06-27 2011-08-30 Movea Sa Hand held pointing device with roll compensation
US20140184509A1 (en) 2013-01-02 2014-07-03 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
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
EP2346029B1 (en) 2008-07-11 2013-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, method for encoding an audio signal and corresponding computer program
CA2730200C (en) * 2008-07-11 2016-09-27 Max Neuendorf An apparatus and a method for generating bandwidth extension output data
JP5244971B2 (ja) * 2008-07-11 2013-07-24 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン オーディオ信号合成器及びオーディオ信号符号器
AU2009267460B2 (en) * 2008-07-11 2013-01-10 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. Apparatus and method for generating a bandwidth extended signal
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
WO2010028297A1 (en) 2008-09-06 2010-03-11 GH Innovation, Inc. Selective bandwidth extension
US8407046B2 (en) * 2008-09-06 2013-03-26 Huawei Technologies Co., Ltd. Noise-feedback for spectral envelope quantization
US8532983B2 (en) * 2008-09-06 2013-09-10 Huawei Technologies Co., Ltd. Adaptive frequency prediction for encoding or decoding an audio signal
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
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
EP2224433B1 (en) * 2008-09-25 2020-05-27 Lg Electronics Inc. An apparatus for processing an audio signal and method thereof
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
US9947340B2 (en) 2008-12-10 2018-04-17 Skype 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
GB0822537D0 (en) * 2008-12-10 2009-01-14 Skype Ltd Regeneration of wideband speech
AU2013203159B2 (en) * 2008-12-15 2015-09-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder and bandwidth extension decoder
ES2976382T3 (es) * 2008-12-15 2024-07-31 Fraunhofer Ges Zur Foerderungder Angewandten Forschung E V Decodificador de extensión de ancho de banda
EP2360687A4 (en) * 2008-12-19 2012-07-11 Fujitsu Ltd LANGUAGE EXPANSION DEVICE AND LANGUAGE TREATMENT PROCESS
PL3992966T3 (pl) 2009-01-16 2023-03-20 Dolby International Ab Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
DK2211339T3 (en) * 2009-01-23 2017-08-28 Oticon As listening System
US20100191534A1 (en) * 2009-01-23 2010-07-29 Qualcomm Incorporated Method and apparatus for compression or decompression of digital signals
ES2639716T3 (es) * 2009-01-28 2017-10-30 Dolby International Ab Transposición armónica mejorada
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
PL4503029T3 (pl) 2009-01-28 2026-03-16 Dolby International Ab Ulepszona transpozycja harmonicznych
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
AU2009339343A1 (en) 2009-02-06 2011-08-18 Oticon A/S Spectral band substitution to avoid howls and sub-oscillation
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
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
BR122019023947B1 (pt) 2009-03-17 2021-04-06 Dolby International Ab Sistema codificador, sistema decodificador, método para codificar um sinal estéreo para um sinal de fluxo de bits e método para decodificar um sinal de fluxo de bits para um sinal estéreo
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
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
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
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
TWI675367B (zh) * 2009-05-27 2019-10-21 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
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
AU2015264887B2 (en) * 2009-05-27 2017-12-07 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
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
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
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
KR101701759B1 (ko) * 2009-09-18 2017-02-03 돌비 인터네셔널 에이비 입력 신호를 전위시키기 위한 시스템 및 방법, 및 상기 방법을 수행하기 위한 컴퓨터 프로그램이 기록된 컴퓨터 판독가능 저장 매체
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
WO2011048010A1 (en) 2009-10-19 2011-04-28 Dolby International Ab Metadata time marking information for indicating a section of an audio object
CN102648495B (zh) 2009-10-21 2014-05-28 杜比Ab国际公司 用于利用适应性过取样产生高频音频信号的装置及方法
HUE071544T2 (hu) * 2009-10-21 2025-09-28 Dolby Int Ab Túlmintavételezés kombinált transzponáló szûrõbankban
EP2704143B1 (en) * 2009-10-21 2015-01-07 Panasonic Intellectual Property Corporation of America Apparatus, method and computer program for audio signal processing
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
WO2011062535A1 (en) * 2009-11-19 2011-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Methods and arrangements for loudness and sharpness compensation in audio codecs
WO2011062538A1 (en) * 2009-11-19 2011-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Bandwidth extension of a low band audio signal
JP5298245B2 (ja) * 2009-12-16 2013-09-25 ドルビー インターナショナル アーベー Ｓｂｒビットストリームパラメータダウンミックス
AU2014200151B2 (en) * 2010-01-19 2015-04-16 Dolby International Ab Improved subband block based harmonic transposition
PL4120264T3 (pl) 2010-01-19 2023-11-20 Dolby International Ab Transpozycja harmonicznych oparta na ulepszonym bloku pod-pasma
AU2015203065B2 (en) * 2010-01-19 2017-05-11 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
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
EP2545548A1 (en) 2010-03-09 2013-01-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing an input audio signal using cascaded filterbanks
ES2449476T3 (es) 2010-03-09 2014-03-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato, procedimiento y programa de ordenador para procesar una señal de audio
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
AU2011239995B2 (en) * 2010-04-16 2014-01-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. Apparatus, method and computer program for generating a wideband signal using guided bandwidth extension and blind bandwidth extension
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
BR112012002839B1 (pt) 2010-06-09 2020-10-13 Panasonic Intellectual Property Corporation Of America método de extensão de largura de banda, aparelho de extensão de largura de banda, circuito integrado e aparelho de decodificação de áudio
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
KR101803849B1 (ko) 2010-07-19 2017-12-04 돌비 인터네셔널 에이비 고주파 복원 동안 오디오 신호들의 프로세싱
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
AU2011288406B2 (en) 2010-08-12 2014-07-31 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Resampling output signals of QMF based audio codecs
IL317702A (en) * 2010-09-16 2025-02-01 Dolby Int Ab Method and system for harmonic, block, subchannel, and enhanced transposition by rhetorical multiplication
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
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
US8868432B2 (en) * 2010-10-15 2014-10-21 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
PL2550653T3 (pl) * 2011-02-14 2014-09-30 Fraunhofer Ges Forschung Reprezentacja sygnału informacyjnego z użyciem transformacji zakładkowej
JP5914527B2 (ja) 2011-02-14 2016-05-11 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 過渡検出及び品質結果を使用してオーディオ信号の一部分を符号化する装置及び方法
WO2012110476A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Linear prediction based coding scheme using spectral domain noise shaping
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.
ES2916257T3 (es) * 2011-02-18 2022-06-29 Ntt Docomo Inc Decodificador de voz, codificador de voz, método de decodificación de voz, método de codificación de voz, programa de decodificación de voz y programa de codificación de voz
ES2741559T3 (es) 2011-04-15 2020-02-11 Ericsson Telefon Ab L M Compartición adaptativa de la velocidad de ganancia-forma
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
EP2777042B1 (en) 2011-11-11 2019-08-14 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
US9905236B2 (en) 2012-03-23 2018-02-27 Dolby Laboratories Licensing Corporation 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
ES2659177T3 (es) 2013-01-29 2018-03-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de audio, descodificador de audio, método para proveer una información de audio codificada, método para proveer una información de audio descodificada, programa informático y representación codificada utilizando una ampliación de ancho de banda adaptable a la señal
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
CN110136728B (zh) * 2013-04-05 2023-08-04 杜比国际公司 音频信号的解码方法和解码器、介质以及编码方法
KR20190134821A (ko) * 2013-04-05 2019-12-04 돌비 인터네셔널 에이비 스테레오 오디오 인코더 및 디코더
US8804971B1 (en) 2013-04-30 2014-08-12 Dolby International Ab Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
BR112015030672B1 (pt) 2013-06-10 2021-02-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V aparelho e método de codificação, processamento e decodificação de envelope de sinal de áudio por divisão do envelope de sinal de áudio empregando codificação e quantização de distribuição
MX353042B (es) 2013-06-10 2017-12-18 Fraunhofer Ges Forschung Método y aparato para codificación, procesamiento y decodificación de envolvente de señal de audio mediante modelado de una representación de suma acumulativa que emplea cuantificación de distribución y codificación.
DK2822263T3 (da) 2013-07-05 2019-06-17 Sennheiser Communications As Kommunikationsanordning med ekkoundertrykkelse
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
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
JP6531649B2 (ja) 2013-09-19 2019-06-19 ソニー株式会社 符号化装置および方法、復号化装置および方法、並びにプログラム
EP2871641A1 (en) * 2013-11-12 2015-05-13 Dialog Semiconductor B.V. Enhancement of narrowband audio signals using a single sideband AM modulation
KR20160087827A (ko) * 2013-11-22 2016-07-22 퀄컴 인코포레이티드 고대역 코딩에서의 선택적 위상 보상
US10692511B2 (en) 2013-12-27 2020-06-23 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
RU2662693C2 (ru) 2014-02-28 2018-07-26 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство декодирования, устройство кодирования, способ декодирования и способ кодирования
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
EP4376304A3 (en) 2014-03-31 2024-07-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder, encoding method, decoding method, and program
EP2963648A1 (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 vertical phase correction
CA2976864C (en) * 2015-02-26 2020-07-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing an audio signal to obtain a processed audio signal using a target time-domain envelope
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
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
TWI693594B (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
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
WO2017080835A1 (en) * 2015-11-10 2017-05-18 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
US10395664B2 (en) 2016-01-26 2019-08-27 Dolby Laboratories Licensing Corporation Adaptive Quantization
AU2017219696B2 (en) * 2016-02-17 2018-11-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing
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
US11771779B2 (en) 2018-01-26 2023-10-03 Hadasit Medical Research Services & Development Limited Non-metallic magnetic resonance contrast agent
KR20250130700A (ko) 2018-04-25 2025-09-02 돌비 인터네셔널 에이비 고주파 오디오 재구성 기술의 통합
IL313348B2 (en) 2018-04-25 2025-08-01 Dolby Int Ab 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
CN113113032B (zh) * 2020-01-10 2024-08-09 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
WO2021252823A1 (en) 2020-06-11 2021-12-16 Dolby Laboratories Licensing Corporation Methods, apparatus, and systems for detection and extraction of spatially-identifiable subband audio sources
US12293767B2 (en) * 2020-11-05 2025-05-06 Nippon Telegraph And Telephone Corporation Sound signal high frequency compensation method, sound signal post processing method, sound signal decode method, apparatus thereof, program, and storage medium
US12482481B2 (en) * 2020-11-05 2025-11-25 Ntt, Inc. Sound signal high frequency compensation method, sound signal post processing method, sound signal decode method, apparatus thereof, program, and storage medium
CN114641068B (zh) * 2020-12-15 2025-02-25 海能达通信股份有限公司 一种载波的分配方法及相关装置
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
US12586594B2 (en) * 2022-09-22 2026-03-24 Google Llc Guiding ambisonic audio compression by deconvolving long window frequency analysis
US12255671B2 (en) * 2023-03-16 2025-03-18 International Business Machines Corporation Separable, intelligible, single channel voice communication
CN117636902B (zh) * 2023-07-31 2024-11-08 哈尔滨工程大学 用于极地冰下声源的背景噪声分离方法、装置及电子设备
US20250131936A1 (en) * 2023-10-24 2025-04-24 Cisco Technology, Inc. Receive-side audio processing for calls in a web conferencing client
DE102024101130B3 (de) 2024-01-16 2025-03-20 Cariad Se Verfahren zum Abspielen von digitalen Audiodaten in einem Kraftfahrzeug sowie Kraftfahrzeug

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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CN1272259A (zh) 2000-11-01
ATE303679T1 (de) 2005-09-15
DE69821089T2 (de) 2004-11-11
EP0940015B1 (en) 2004-01-14
WO1998057436A3 (en) 2000-02-10
SE9800268D0 (sv) 1998-01-30
US20040078205A1 (en) 2004-04-22
DE69831435T2 (de) 2006-06-14
HK1030843A1 (en) 2001-05-18
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