HK1030843A1 - Source coding enhancement using spectral-band replication. - Google Patents

Source coding enhancement using spectral-band replication.

Info

Publication number
HK1030843A1
HK1030843A1 HK01101733A HK01101733A HK1030843A1 HK 1030843 A1 HK1030843 A1 HK 1030843A1 HK 01101733 A HK01101733 A HK 01101733A HK 01101733 A HK01101733 A HK 01101733A HK 1030843 A1 HK1030843 A1 HK 1030843A1
Authority
HK
Hong Kong
Prior art keywords
spectral
codec
source coding
band replication
combination
Prior art date
Application number
HK01101733A
Other languages
English (en)
Inventor
Lars Gustaf Liljeryd
Per Rune Albin Ekstrand
Lars Fredrik Henn
Hans Magnus Kristofer Kjorling
Original Assignee
Coding Tech Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from SE9702213A external-priority patent/SE9702213D0/xx
Priority claimed from SE9704634A external-priority patent/SE9704634D0/xx
Application filed by Coding Tech Ab filed Critical Coding Tech Ab
Publication of HK1030843A1 publication Critical patent/HK1030843A1/xx

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)
HK01101733A 1997-06-10 2001-03-12 Source coding enhancement using spectral-band replication. HK1030843A1 (en)

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 (1)

Publication Number Publication Date
HK1030843A1 true HK1030843A1 (en) 2001-05-18

Family

ID=27355877

Family Applications (2)

Application Number Title Priority Date Filing Date
HK01101733A HK1030843A1 (en) 1997-06-10 2001-03-12 Source coding enhancement using spectral-band replication.
HK04100528A HK1057815A1 (en) 1997-06-10 2004-01-27 Source coding enhancement using spectral-band replication.

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK04100528A HK1057815A1 (en) 1997-06-10 2004-01-27 Source coding enhancement using spectral-band replication.

Country Status (14)

Country Link
US (4) US6680972B1 (pt)
EP (2) EP1367566B1 (pt)
JP (2) JP3871347B2 (pt)
CN (2) CN1308916C (pt)
AT (2) ATE257987T1 (pt)
AU (1) AU7446598A (pt)
BR (1) BR9805989B1 (pt)
DE (2) DE69831435T2 (pt)
DK (2) DK1367566T3 (pt)
ES (2) ES2213901T3 (pt)
HK (2) HK1030843A1 (pt)
PT (2) PT1367566E (pt)
SE (1) SE512719C2 (pt)
WO (1) WO1998057436A2 (pt)

Families Citing this family (416)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69734645T2 (de) * 1996-11-07 2006-07-27 Koninklijke Philips Electronics N.V. Datenverarbeitung von einem bitstromsignal
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
AU2820701A (en) * 2000-01-18 2001-07-31 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
EP1190415B1 (en) * 2000-03-15 2007-08-08 Koninklijke Philips Electronics N.V. Laguerre function 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
KR100830857B1 (ko) * 2001-01-19 2008-05-22 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 전송 시스템, 오디오 수신기, 전송 방법, 수신 방법 및 음성 디코더
US7660424B2 (en) 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
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
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
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
US7260541B2 (en) 2001-07-13 2007-08-21 Matsushita Electric Industrial Co., Ltd. Audio signal decoding device and audio signal encoding device
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
CN1209744C (zh) 2001-11-02 2005-07-06 松下电器产业株式会社 编码装置和解码装置
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
EP1701340B1 (en) 2001-11-14 2012-08-29 Panasonic Corporation Decoding device, method and program
US20030108108A1 (en) * 2001-11-15 2003-06-12 Takashi Katayama Decoder, decoding method, and program distribution medium therefor
WO2003042648A1 (fr) * 2001-11-16 2003-05-22 Matsushita Electric Industrial Co., Ltd. Codeur de signal vocal, decodeur de signal vocal, procede de codage de signal vocal et procede de decodage de signal vocal
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
AU2002352182A1 (en) 2001-11-29 2003-06-10 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
DE60323331D1 (de) 2002-01-30 2008-10-16 Matsushita Electric Ind Co Ltd Verfahren und vorrichtung zur audio-kodierung und -dekodierung
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
AU2002346344A1 (en) * 2002-03-20 2003-09-29 Igor Borisovich Dounaev Methods and systems for digital data transmission
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
US7379956B2 (en) * 2002-07-14 2008-05-27 Apple Inc. Encoding and decoding data arrays
US7376280B2 (en) * 2002-07-14 2008-05-20 Apple Inc Video encoding and decoding
JP4227772B2 (ja) * 2002-07-19 2009-02-18 日本電気株式会社 オーディオ復号装置と復号方法およびプログラム
JP4313993B2 (ja) * 2002-07-19 2009-08-12 パナソニック株式会社 オーディオ復号化装置およびオーディオ復号化方法
AU2003244168A1 (en) * 2002-07-19 2004-02-09 Matsushita Electric Industrial Co., Ltd. Audio decoding device, decoding method, and program
DE60304479T2 (de) 2002-08-01 2006-12-14 Matsushita Electric Industrial Co., Ltd., Kadoma Audiodekodierungsvorrichtung und audiodekodierungsverfahren auf der basis der spektralband duplikation
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
CN100492492C (zh) 2002-09-19 2009-05-27 松下电器产业株式会社 音频解码设备和方法
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
WO2004093495A1 (en) 2003-04-17 2004-10-28 Koninklijke Philips Electronics N.V. Audio signal synthesis
US20070038439A1 (en) * 2003-04-17 2007-02-15 Koninklijke Philips Electronics N.V. Groenewoudseweg 1 Audio signal generation
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
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
DE602004029786D1 (de) 2003-06-30 2010-12-09 Koninkl Philips Electronics Nv Verbesserung der qualität von dekodierten audio mittels hinzufügen von geräusch
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
US7844451B2 (en) * 2003-09-16 2010-11-30 Panasonic Corporation Spectrum coding/decoding apparatus and method for reducing distortion of two band spectrums
JP4789622B2 (ja) * 2003-09-16 2011-10-12 パナソニック株式会社 スペクトル符号化装置、スケーラブル符号化装置、復号化装置、およびこれらの方法
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
US7451091B2 (en) 2003-10-07 2008-11-11 Matsushita Electric Industrial Co., Ltd. Method for determining time borders and frequency resolutions for spectral envelope coding
US7461003B1 (en) * 2003-10-22 2008-12-02 Tellabs Operations, Inc. Methods and apparatus for improving the quality of speech signals
BRPI0415464B1 (pt) 2003-10-23 2019-04-24 Panasonic Intellectual Property Management Co., Ltd. Aparelho e método de codificação de espectro.
JP4966013B2 (ja) * 2003-10-30 2012-07-04 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 オーディオ信号のエンコードまたはデコード
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
US8438026B2 (en) * 2004-02-18 2013-05-07 Nuance Communications, Inc. Method and system for generating training data for an automatic speech recognizer
US7668711B2 (en) 2004-04-23 2010-02-23 Panasonic Corporation Coding equipment
CN1947174B (zh) * 2004-04-27 2012-03-14 松下电器产业株式会社 可扩展编码装置、可扩展解码装置、可扩展编码方法以及可扩展解码方法
US8629836B2 (en) 2004-04-30 2014-01-14 Hillcrest Laboratories, Inc. 3D pointing devices with orientation compensation and improved usability
JP2007535773A (ja) 2004-04-30 2007-12-06 ヒルクレスト・ラボラトリーズ・インコーポレイテッド 自由空間ポインティングデバイスおよびポインティング方法
BRPI0510014B1 (pt) 2004-05-14 2019-03-26 Panasonic Intellectual Property Corporation Of America Dispositivo de codificação, dispositivo de decodificação e método do mesmo
CN101656074B (zh) * 2004-05-14 2013-01-23 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
EP1742202B1 (en) 2004-05-19 2008-05-07 Matsushita Electric Industrial Co., Ltd. Encoding device, decoding device, and method thereof
US8065139B2 (en) 2004-06-21 2011-11-22 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
JP2008510197A (ja) * 2004-08-17 2008-04-03 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 スケーラブルなオーディオ符号化
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
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
JP5224017B2 (ja) * 2005-01-11 2013-07-03 日本電気株式会社 オーディオ符号化装置、オーディオ符号化方法およびオーディオ符号化プログラム
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
EP1860649B8 (en) * 2005-02-24 2011-10-05 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
US8484036B2 (en) 2005-04-01 2013-07-09 Qualcomm Incorporated Systems, methods, and apparatus for wideband speech coding
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
PT1875463T (pt) 2005-04-22 2019-01-24 Qualcomm Inc Sistemas, métodos e aparelho para nivelamento de fator de ganho
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
KR100803205B1 (ko) * 2005-07-15 2008-02-14 삼성전자주식회사 저비트율 오디오 신호 부호화/복호화 방법 및 장치
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
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
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
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
BRPI0520729B1 (pt) * 2005-11-04 2019-04-02 Nokia Technologies Oy Método para a codificação e decodificação de sinais de áudio, codificador para codificação e decodificador para decodificar sinais de áudio e sistema para compressão de áudio digital.
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
JP5030789B2 (ja) * 2005-11-30 2012-09-19 パナソニック株式会社 サブバンド符号化装置およびサブバンド符号化方法
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
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
KR100739786B1 (ko) * 2006-01-20 2007-07-13 삼성전자주식회사 다중 채널 디지털 앰프 시스템 및 그 신호 처리 방법
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
US8116459B2 (en) * 2006-03-28 2012-02-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Enhanced method for signal shaping in multi-channel audio reconstruction
JP4976381B2 (ja) * 2006-03-31 2012-07-18 パナソニック株式会社 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
WO2007129728A1 (ja) * 2006-05-10 2007-11-15 Panasonic Corporation 符号化装置及び符号化方法
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
WO2008001318A2 (en) * 2006-06-29 2008-01-03 Nxp B.V. Noise synthesis
PL2337224T3 (pl) * 2006-07-04 2017-11-30 Dolby International Ab Jednostka filtra oraz sposób wytwarzania odpowiedzi impulsowych filtrów podpasmowych
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
US8417532B2 (en) * 2006-10-18 2013-04-09 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
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
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
US20110035212A1 (en) * 2007-08-27 2011-02-10 Telefonaktiebolaget L M Ericsson (Publ) Transform coding of speech and audio signals
US8315856B2 (en) * 2007-10-24 2012-11-20 Red Shift Company, Llc Identify features of speech based on events in a signal representing spoken sounds
WO2009055718A1 (en) * 2007-10-24 2009-04-30 Red Shift Company, Llc Producing phonitos based on feature vectors
US8249883B2 (en) * 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
WO2009054228A1 (ja) * 2007-10-26 2009-04-30 D & M Holdings Inc. オーディオ信号補間装置及びオーディオ信号補間方法
EP2209114B1 (en) * 2007-10-31 2014-05-14 Panasonic Corporation Speech coding/decoding apparatus/method
BRPI0818927A2 (pt) * 2007-11-02 2015-06-16 Huawei Tech Co Ltd Método e aparelho para a decodificação de áudio
US20100250260A1 (en) * 2007-11-06 2010-09-30 Lasse Laaksonen Encoder
CA2704812C (en) * 2007-11-06 2016-05-17 Nokia Corporation An encoder for encoding an audio signal
CA2704807A1 (en) * 2007-11-06 2009-05-14 Nokia Corporation Audio coding apparatus and method thereof
KR100970446B1 (ko) * 2007-11-21 2010-07-16 한국전자통신연구원 주파수 확장을 위한 가변 잡음레벨 결정 장치 및 그 방법
EP2210253A4 (en) 2007-11-21 2010-12-01 Lg Electronics Inc METHOD AND DEVICE FOR PROCESSING A SIGNAL
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
US8423371B2 (en) 2007-12-21 2013-04-16 Panasonic Corporation Audio encoder, decoder, and encoding method thereof
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
ATE518224T1 (de) * 2008-01-04 2011-08-15 Dolby Int 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
CA2897278A1 (en) 2008-03-10 2009-09-17 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Device and method for manipulating an audio signal having a transient event
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
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
PL2291842T3 (pl) * 2008-07-11 2014-08-29 Fraunhofer Ges Forschung Urządzenie i sposób do generowania sygnału o rozszerzonej szerokości pasma
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
PL2346030T3 (pl) 2008-07-11 2015-03-31 Fraunhofer Ges Forschung Koder audio, sposób kodowania sygnału audio oraz program komputerowy
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
KR101345695B1 (ko) * 2008-07-11 2013-12-30 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 대역폭 확장 출력 데이터를 생성하기 위한 장치 및 방법
EP2301026B1 (en) * 2008-07-11 2020-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal synthesizer and audio signal encoder
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
US8515747B2 (en) * 2008-09-06 2013-08-20 Huawei Technologies Co., Ltd. Spectrum harmonic/noise sharpness control
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
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
WO2010036061A2 (en) 2008-09-25 2010-04-01 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
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
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
AU2013203159B2 (en) * 2008-12-15 2015-09-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder and bandwidth extension decoder
PL4224474T3 (pl) * 2008-12-15 2024-04-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
EP2360687A4 (en) * 2008-12-19 2012-07-11 Fujitsu Ltd VOICE BAND EXTENSION DEVICE AND VOICE BAND EXTENSION METHOD
JP5237465B2 (ja) * 2009-01-16 2013-07-17 ドルビー インターナショナル アーベー クロス生成物により向上された高調波転換
US20100191534A1 (en) * 2009-01-23 2010-07-29 Qualcomm Incorporated Method and apparatus for compression or decompression of digital signals
EP2211339B1 (en) * 2009-01-23 2017-05-31 Oticon A/s Listening system
AU2013211560B2 (en) * 2009-01-28 2016-04-28 Dolby International Ab Improved harmonic transposition
ES2639716T3 (es) 2009-01-28 2017-10-30 Dolby International Ab Transposición armónica mejorada
EP4120254A1 (en) 2009-01-28 2023-01-18 Dolby International AB Improved harmonic transposition
AU2015221516B2 (en) * 2009-01-28 2017-08-10 Dolby International Ab Improved Harmonic Transposition
EP2214165A3 (en) 2009-01-30 2010-09-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for manipulating an audio signal comprising a transient event
US8463599B2 (en) * 2009-02-04 2013-06-11 Motorola Mobility Llc Bandwidth extension method and apparatus for a modified discrete cosine transform audio coder
WO2010088960A1 (en) 2009-02-06 2010-08-12 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
TWI597939B (zh) 2009-02-18 2017-09-01 杜比國際公司 具相位偏移之複數值合成濾波器組
CN102388417B (zh) 2009-03-17 2015-10-21 杜比国际公司 基于自适应地可选择的左/右或中央/侧边立体声编码和参数立体声编码的组合的高级立体声编码
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
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
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
AU2013263712B2 (en) * 2009-05-27 2015-11-12 Dolby International Ab Efficient Combined Harmonic Transposition
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
TWI591625B (zh) * 2009-05-27 2017-07-11 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
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
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
EP2273493B1 (en) * 2009-06-29 2012-12-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Bandwidth extension encoding and decoding
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
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
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
KR101697497B1 (ko) 2009-09-18 2017-01-18 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
JP5771618B2 (ja) 2009-10-19 2015-09-02 ドルビー・インターナショナル・アーベー 音声オブジェクトの区分を示すメタデータ時間標識情報
KR101341115B1 (ko) * 2009-10-21 2013-12-13 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 적응식 오버샘플링을 사용하는 고주파수 오디오 신호를 발생시키기 위한 장치 및 방법
PL3291231T3 (pl) 2009-10-21 2020-09-21 Dolby International Ab Nadpróbkowanie w banku filtrów z połączonym modułem transpozycji
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
BR112012012119A2 (pt) 2009-11-19 2021-01-05 Telefonaktiebolaget Lm Ericsson (Publ) Extensão de largura de banda de um sinal de áudio de banda baixa
CA2780962C (en) * 2009-11-19 2017-09-05 Telefonaktiebolaget L M Ericsson (Publ) Methods and arrangements for loudness and sharpness compensation in audio codecs
WO2011062536A1 (en) * 2009-11-19 2011-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Improved excitation signal bandwidth extension
CN103854651B (zh) * 2009-12-16 2017-04-12 杜比国际公司 Sbr比特流参数缩混
AU2015203065B2 (en) * 2010-01-19 2017-05-11 Dolby International Ab Improved subband block based harmonic transposition
AU2014200151B2 (en) * 2010-01-19 2015-04-16 Dolby International Ab Improved subband block based harmonic transposition
SG10201408425QA (en) 2010-01-19 2015-01-29 Dolby Int 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
CA2792368C (en) 2010-03-09 2016-04-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for handling transient sound events in audio signals when changing the replay speed or pitch
ES2522171T3 (es) 2010-03-09 2014-11-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para procesar una señal de audio usando alineación de borde de patching
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
DK2375782T3 (en) * 2010-04-09 2019-03-18 Oticon As Improvements in sound perception by using frequency transposing by moving the envelope
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
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
CN102947882B (zh) * 2010-04-16 2015-06-17 弗劳恩霍夫应用研究促进协会 使用制导带宽扩展和盲带宽扩展生成宽带信号的装置、方法
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
AU2011263191B2 (en) 2010-06-09 2016-06-16 Panasonic Intellectual Property Corporation Of America Bandwidth Extension Method, Bandwidth Extension Apparatus, Program, Integrated Circuit, and Audio Decoding Apparatus
ES2798144T3 (es) 2010-07-19 2020-12-09 Dolby Int Ab Procesamiento de señales de audio durante la reconstrucción de alta frecuencia
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
JP6075743B2 (ja) 2010-08-03 2017-02-08 ソニー株式会社 信号処理装置および方法、並びにプログラム
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
CA2961088C (en) 2010-09-16 2019-07-02 Dolby International Ab Cross product enhanced subband block based harmonic transposition
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
US8924200B2 (en) * 2010-10-15 2014-12-30 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
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
BR112013020592B1 (pt) 2011-02-14 2021-06-22 Fraunhofer-Gellschaft Zur Fôrderung Der Angewandten Forschung E. V. Codec de áudio utilizando síntese de ruído durante fases inativas
PL3239978T3 (pl) 2011-02-14 2019-07-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodowanie i dekodowanie pozycji impulsów ścieżek sygnału audio
CN103493129B (zh) 2011-02-14 2016-08-10 弗劳恩霍夫应用研究促进协会 用于使用瞬态检测及质量结果将音频信号的部分编码的装置与方法
ES2529025T3 (es) 2011-02-14 2015-02-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para procesar una señal de audio decodificada en un dominio espectral
EP2550653B1 (en) * 2011-02-14 2014-04-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Information signal representation using lapped transform
DK3407352T3 (da) * 2011-02-18 2022-06-07 Ntt Docomo Inc Taleafkoder, talekoder, taleafkodningsfremgangsmåde, talekodningsfremgangsmåde, taleafkodningsprogram og talekodningsprogram
PT2908313T (pt) * 2011-04-15 2019-06-19 Ericsson Telefon Ab L M Partilha adaptativa de taxas de ganho/forma
WO2012144128A1 (ja) 2011-04-20 2012-10-26 パナソニック株式会社 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
EP2709103B1 (en) * 2011-06-09 2015-10-07 Panasonic Intellectual Property Corporation of America Voice coding device, voice decoding device, voice coding method and voice decoding method
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
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
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
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
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
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
CN103918029B (zh) 2011-11-11 2016-01-20 杜比国际公司 使用过采样谱带复制的上采样
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
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
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
RU2641461C2 (ru) 2013-01-29 2018-01-17 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Аудиокодер, аудиодекодер, способ обеспечения кодированной аудиоинформации, способ обеспечения декодированной аудиоинформации, компьютерная программа и кодированное представление с использованием сигнально-адаптивного расширения полосы пропускания
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
BR122017006701B1 (pt) * 2013-04-05 2022-03-03 Dolby International Ab Codificador e decodificador de áudio estereofônico
WO2014161995A1 (en) 2013-04-05 2014-10-09 Dolby International Ab Audio encoder and decoder for interleaved waveform coding
US8804971B1 (en) 2013-04-30 2014-08-12 Dolby International Ab Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
JP6224827B2 (ja) 2013-06-10 2017-11-01 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 分配量子化及び符号化を使用した累積和表現のモデル化によるオーディオ信号包絡符号化、処理及び復号化の装置と方法
SG11201510164RA (en) * 2013-06-10 2016-01-28 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
EP2830061A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
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
WO2015041070A1 (ja) 2013-09-19 2015-03-26 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
EP3089161B1 (en) 2013-12-27 2019-10-23 Sony Corporation Decoding device, 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
JPWO2015129165A1 (ja) 2014-02-28 2017-03-30 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 復号装置、符号化装置、復号方法、符合化方法、端末装置、および基地局装置
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
RU2689181C2 (ru) 2014-03-31 2019-05-24 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Кодер, декодер, способ кодирования, способ декодирования и программа
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
CN107517593B (zh) * 2015-02-26 2021-03-12 弗劳恩霍夫应用研究促进协会 用于使用目标时域包络来处理音频信号以获得经处理的音频信号的装置和方法
TWI693595B (zh) * 2015-03-13 2020-05-11 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流
TWI771266B (zh) 2015-03-13 2022-07-11 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
US10129659B2 (en) 2015-05-08 2018-11-13 Doly 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
JP6467561B1 (ja) 2016-01-26 2019-02-13 ドルビー ラボラトリーズ ライセンシング コーポレイション 適応的な量子化
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
CA3238620A1 (en) 2018-04-25 2019-10-31 Dolby International Ab Integration of high frequency reconstruction techniques with reduced post-processing delay
EP3785260A1 (en) 2018-04-25 2021-03-03 Dolby International AB Integration of high frequency audio reconstruction techniques
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
US20230395081A1 (en) 2020-11-05 2023-12-07 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
US20230386497A1 (en) * 2020-11-05 2023-11-30 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
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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BR9805989A (pt) 1999-08-31
US20040125878A1 (en) 2004-07-01
SE9800268D0 (sv) 1998-01-30
EP0940015A1 (en) 1999-09-08
EP1367566B1 (en) 2005-08-31
US6925116B2 (en) 2005-08-02
BR9805989B1 (pt) 2009-12-01
DE69831435D1 (de) 2005-10-06
WO1998057436A2 (en) 1998-12-17
JP2001521648A (ja) 2001-11-06
CN1272259A (zh) 2000-11-01
US20040078194A1 (en) 2004-04-22
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CN1629937A (zh) 2005-06-22
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CN1206816C (zh) 2005-06-15
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