SE0001926D0 - Improved spectral translation/folding in the subband domain - Google Patents
Improved spectral translation/folding in the subband domainInfo
- Publication number
- SE0001926D0 SE0001926D0 SE0001926A SE0001926A SE0001926D0 SE 0001926 D0 SE0001926 D0 SE 0001926D0 SE 0001926 A SE0001926 A SE 0001926A SE 0001926 A SE0001926 A SE 0001926A SE 0001926 D0 SE0001926 D0 SE 0001926D0
- Authority
- SE
- Sweden
- Prior art keywords
- subband signals
- filter bank
- patched
- adjusted
- digital filter
- Prior art date
Links
- 230000003595 spectral effect Effects 0.000 title abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 238000003786 synthesis reaction Methods 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
- G10L19/0208—Subband vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/26—Pre-filtering or post-filtering
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Optical Communication System (AREA)
- Golf Clubs (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Machine Translation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Priority Applications (33)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0001926A SE0001926D0 (sv) | 2000-05-23 | 2000-05-23 | Improved spectral translation/folding in the subband domain |
AT01937069T ATE250272T1 (de) | 2000-05-23 | 2001-05-23 | Verbesserte spektrale übersetzung/faltung im subband-bereich |
US10/296,562 US7483758B2 (en) | 2000-05-23 | 2001-05-23 | Spectral translation/folding in the subband domain |
RU2002134479/09A RU2251795C2 (ru) | 2000-05-23 | 2001-05-23 | Усовершенствованное преобразование спектра/свертка в области поддиапазонов |
BR122015001402-6A BR122015001402B1 (pt) | 2000-05-23 | 2001-05-23 | Método para obter um envelope ajustado e um sinal transladado em frequência e aparelho para obter um envelope ajustado e um sinal transladdo em frequência |
EP01937069A EP1285436B1 (de) | 2000-05-23 | 2001-05-23 | Verbesserte spektrale übersetzung/faltung im subband-bereich |
PCT/SE2001/001171 WO2001091111A1 (en) | 2000-05-23 | 2001-05-23 | Improved spectral translation/folding in the subband domain |
BRPI0111362A BRPI0111362B1 (pt) | 2000-05-23 | 2001-05-23 | método para obter um sinal transladado em frequência e com envelope ajustado, método para obter um sinal rebatido em frequência e com envelope ajustado, aparelho para obter um sinal transladado na frequência e com envelope ajustado, aparelho para obter um sinal rebatido em frequência e com envelope ajustado, decodificador para decodificar sinais codificados e método para decodificar sinais codificados |
AU2001262836A AU2001262836A1 (en) | 2000-05-23 | 2001-05-23 | Improved spectral translation/folding in the subband domain |
CNB018099785A CN1210689C (zh) | 2000-05-23 | 2001-05-23 | 子带域中改进的频谱平移/折叠的方法和设备 |
BR122015001401-8A BR122015001401B1 (pt) | 2000-05-23 | 2001-05-23 | Método para decodificar um sinal codificado para obter um sinal de áudio de saída e aparelho para decodificar um sinal codificado para obter um sinal de áudio de saída |
DE60100813T DE60100813T2 (de) | 2000-05-23 | 2001-05-23 | Verbesserte spektrale übersetzung/faltung im subband-bereich |
JP2001587421A JP4289815B2 (ja) | 2000-05-23 | 2001-05-23 | サブバンド領域における改良されたスペクトル移動/折返し |
SE0203468A SE523883C2 (sv) | 2000-05-23 | 2002-11-22 | Förbättrad spektral översättning/vikning i subbandområdet |
HK03107851A HK1067954A1 (en) | 2000-05-23 | 2003-10-31 | Method and device for improved spectral translation/folding in the subband domain. |
US12/253,135 US7680552B2 (en) | 2000-05-23 | 2008-10-16 | Spectral translation/folding in the subband domain |
JP2009047856A JP5090390B2 (ja) | 2000-05-23 | 2009-03-02 | サブバンド領域における改良されたスペクトル移動/折返し |
US12/703,553 US8412365B2 (en) | 2000-05-23 | 2010-02-10 | Spectral translation/folding in the subband domain |
US13/460,797 US8543232B2 (en) | 2000-05-23 | 2012-04-30 | Spectral translation/folding in the subband domain |
US13/969,708 US9245534B2 (en) | 2000-05-23 | 2013-08-19 | Spectral translation/folding in the subband domain |
BR122015001400A BR122015001400B1 (pt) | 2000-05-23 | 2015-05-23 | Método para obter um sinal transladado em frequência e com envelope ajustado por reconstrução espectral de altafrequência, método para obter um sinal rebatido em frequência e com envelope ajustado por reconstrução espectral de altafrequência,aparelho para obter um sinal transladado em frequência e com envelope ajustado, aparelho para obter um sinal rebatido em frequência e com envelope ajustado,decodificador para decodificar sinais codificados e método para decodificar sinais codificados |
US14/964,836 US9548059B2 (en) | 2000-05-23 | 2015-12-10 | Spectral translation/folding in the subband domain |
US15/370,054 US9697841B2 (en) | 2000-05-23 | 2016-12-06 | Spectral translation/folding in the subband domain |
US15/446,553 US9691402B1 (en) | 2000-05-23 | 2017-03-01 | Spectral translation/folding in the subband domain |
US15/446,485 US9691399B1 (en) | 2000-05-23 | 2017-03-01 | Spectral translation/folding in the subband domain |
US15/446,535 US9786290B2 (en) | 2000-05-23 | 2017-03-01 | Spectral translation/folding in the subband domain |
US15/446,562 US9691403B1 (en) | 2000-05-23 | 2017-03-01 | Spectral translation/folding in the subband domain |
US15/446,524 US9691401B1 (en) | 2000-05-23 | 2017-03-01 | Spectral translation/folding in the subband domain |
US15/446,505 US9691400B1 (en) | 2000-05-23 | 2017-03-01 | Spectral translation/folding in the subband domain |
US15/677,454 US10008213B2 (en) | 2000-05-23 | 2017-08-15 | Spectral translation/folding in the subband domain |
US15/988,135 US10311882B2 (en) | 2000-05-23 | 2018-05-24 | Spectral translation/folding in the subband domain |
US16/274,044 US10699724B2 (en) | 2000-05-23 | 2019-02-12 | Spectral translation/folding in the subband domain |
US16/908,758 US20200388294A1 (en) | 2000-05-23 | 2020-06-23 | Spectral Translation/Folding in the Subband Domain |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0001926A SE0001926D0 (sv) | 2000-05-23 | 2000-05-23 | Improved spectral translation/folding in the subband domain |
Publications (1)
Publication Number | Publication Date |
---|---|
SE0001926D0 true SE0001926D0 (sv) | 2000-05-23 |
Family
ID=20279807
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0001926A SE0001926D0 (sv) | 2000-05-23 | 2000-05-23 | Improved spectral translation/folding in the subband domain |
SE0203468A SE523883C2 (sv) | 2000-05-23 | 2002-11-22 | Förbättrad spektral översättning/vikning i subbandområdet |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0203468A SE523883C2 (sv) | 2000-05-23 | 2002-11-22 | Förbättrad spektral översättning/vikning i subbandområdet |
Country Status (12)
Country | Link |
---|---|
US (17) | US7483758B2 (de) |
EP (1) | EP1285436B1 (de) |
JP (2) | JP4289815B2 (de) |
CN (1) | CN1210689C (de) |
AT (1) | ATE250272T1 (de) |
AU (1) | AU2001262836A1 (de) |
BR (1) | BRPI0111362B1 (de) |
DE (1) | DE60100813T2 (de) |
HK (1) | HK1067954A1 (de) |
RU (1) | RU2251795C2 (de) |
SE (2) | SE0001926D0 (de) |
WO (1) | WO2001091111A1 (de) |
Families Citing this family (90)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE0001926D0 (sv) * | 2000-05-23 | 2000-05-23 | Lars Liljeryd | Improved spectral translation/folding in the subband domain |
AUPR433901A0 (en) | 2001-04-10 | 2001-05-17 | Lake Technology Limited | High frequency signal construction method |
WO2003046891A1 (en) * | 2001-11-29 | 2003-06-05 | Coding Technologies Ab | Methods for improving high frequency reconstruction |
US20030187663A1 (en) | 2002-03-28 | 2003-10-02 | Truman Michael Mead | Broadband frequency translation for high frequency regeneration |
US7447631B2 (en) | 2002-06-17 | 2008-11-04 | Dolby Laboratories Licensing Corporation | Audio coding system using spectral hole filling |
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 |
US7519530B2 (en) * | 2003-01-09 | 2009-04-14 | Nokia Corporation | Audio signal processing |
US7318027B2 (en) | 2003-02-06 | 2008-01-08 | Dolby Laboratories Licensing Corporation | Conversion of synthesized spectral components for encoding and low-complexity transcoding |
ATE428274T1 (de) * | 2003-05-06 | 2009-04-15 | Harman Becker Automotive Sys | Verarbeitungssystem fur stereo audiosignale |
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 |
EP1683133B1 (de) * | 2003-10-30 | 2007-02-14 | Koninklijke Philips Electronics N.V. | Audiosignalcodierung oder -decodierung |
ES2336558T3 (es) * | 2004-06-10 | 2010-04-14 | Panasonic Corporation | Sistema y metodo para la reconfiguracion en el tiempo de funcionamiento. |
EP1691348A1 (de) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametrische kombinierte Kodierung von Audio-Quellen |
US8086451B2 (en) * | 2005-04-20 | 2011-12-27 | Qnx Software Systems Co. | System for improving speech intelligibility through high frequency compression |
EP1722360B1 (de) * | 2005-05-13 | 2014-03-19 | Harman Becker Automotive Systems GmbH | System und Verfahren zur Verbesserung eines Audiosignals |
JP4701392B2 (ja) * | 2005-07-20 | 2011-06-15 | 国立大学法人九州工業大学 | 高域信号補間方法及び高域信号補間装置 |
DE202005012816U1 (de) * | 2005-08-08 | 2006-05-04 | Jünger Audio-Studiotechnik GmbH | Elektronisches Gerät zur Aussteuerung von Audiosignalen sowie entsprechendes computerlesbares Speichermedium |
JP4627548B2 (ja) * | 2005-09-08 | 2011-02-09 | パイオニア株式会社 | 帯域拡張装置、帯域拡張方法および帯域拡張プログラム |
EP1926083A4 (de) * | 2005-09-30 | 2011-01-26 | Panasonic Corp | Audiocodierungsgerät und audiocodierungsmethode |
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 |
US8103516B2 (en) * | 2005-11-30 | 2012-01-24 | Panasonic Corporation | Subband coding apparatus and method of coding subband |
BRPI0621207B1 (pt) | 2006-01-27 | 2020-03-03 | Dolby International Ab | Filtragem eficiente com um banco de filtros modulado complexo |
JP4181185B2 (ja) * | 2006-04-27 | 2008-11-12 | 富士通メディアデバイス株式会社 | フィルタおよび分波器 |
US9159333B2 (en) | 2006-06-21 | 2015-10-13 | Samsung Electronics Co., Ltd. | Method and apparatus for adaptively encoding and decoding high frequency band |
US8036903B2 (en) | 2006-10-18 | 2011-10-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing system |
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 |
US8041578B2 (en) | 2006-10-18 | 2011-10-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Encoding an information signal |
EP4300825A3 (de) | 2006-10-25 | 2024-03-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und verfahren zur erzeugung von zeitbereichsaudiomustern |
KR101290622B1 (ko) * | 2007-11-02 | 2013-07-29 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 오디오 복호화 방법 및 장치 |
KR100970446B1 (ko) * | 2007-11-21 | 2010-07-16 | 한국전자통신연구원 | 주파수 확장을 위한 가변 잡음레벨 결정 장치 및 그 방법 |
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 |
CN101903944B (zh) * | 2007-12-18 | 2013-04-03 | Lg电子株式会社 | 用于处理音频信号的方法和装置 |
DE102008015702B4 (de) * | 2008-01-31 | 2010-03-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Bandbreitenerweiterung eines Audiosignals |
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 |
US8452588B2 (en) * | 2008-03-14 | 2013-05-28 | Panasonic Corporation | Encoding device, decoding device, and method thereof |
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 |
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 |
EP2304723B1 (de) * | 2008-07-11 | 2012-10-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und verfahren zur dekodierung eines kodierten tonsignals |
BRPI0910517B1 (pt) * | 2008-07-11 | 2022-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V | Um aparelho e um método para calcular um número de envelopes espectrais a serem obtidos por um codificador de replicação de banda espectral (sbr) |
PL2346029T3 (pl) * | 2008-07-11 | 2013-11-29 | Fraunhofer Ges Forschung | Koder sygnału audio, sposób kodowania sygnału audio i odpowiadający mu program komputerowy |
CA2730198C (en) * | 2008-07-11 | 2014-09-16 | Frederik Nagel | Audio signal synthesizer and audio signal encoder |
US8463412B2 (en) * | 2008-08-21 | 2013-06-11 | Motorola Mobility Llc | Method and apparatus to facilitate determining signal bounding frequencies |
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 |
EP2224433B1 (de) * | 2008-09-25 | 2020-05-27 | Lg Electronics Inc. | Vorrichtung zur Verarbeitung eines Audiosignals und Verfahren dafür |
EP2184929B1 (de) | 2008-11-10 | 2013-04-03 | Oticon A/S | N-Band FM-Demodulation als Hilfe zur Hörverbesserung von Cochlea-Hörgeschädigten |
EP4053838B1 (de) * | 2008-12-15 | 2023-06-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiobandbreitenerweiterungsdecodierer, korrespondierendes verfahren und computerprogramm |
KR101589942B1 (ko) | 2009-01-16 | 2016-01-29 | 돌비 인터네셔널 에이비 | 외적 향상 고조파 전치 |
AU2010209673B2 (en) | 2009-01-28 | 2013-05-16 | Dolby International Ab | Improved harmonic transposition |
BR122019023712B1 (pt) | 2009-01-28 | 2020-10-27 | Dolby International Ab | sistema para gerar um sinal de áudio saída a partir de um sinal de áudio de entrada usando um fator de transposição t, método para transpor um sinal de áudio de entrada por um fator de transposição t e meio de armazenamento |
US8463599B2 (en) * | 2009-02-04 | 2013-06-11 | Motorola Mobility Llc | Bandwidth extension method and apparatus for a modified discrete cosine transform audio coder |
CA3057366C (en) | 2009-03-17 | 2020-10-27 | Dolby International Ab | Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding |
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 |
EP2234103B1 (de) | 2009-03-26 | 2011-09-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Änderung eines Audiosignals |
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 (de) | 2009-04-09 | 2010-10-13 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Vorrichtung und Verfahren zur Erzeugung eines synthetischen Audiosignals und zur Kodierung eines Audiosignals |
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 |
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 |
TWI643187B (zh) | 2009-05-27 | 2018-12-01 | 瑞典商杜比國際公司 | 從訊號的低頻成份產生該訊號之高頻成份的系統與方法,及其機上盒、電腦程式產品、軟體程式及儲存媒體 |
US11657788B2 (en) | 2009-05-27 | 2023-05-23 | Dolby International Ab | Efficient combined harmonic transposition |
EP2446435B1 (de) * | 2009-06-24 | 2013-06-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung, verfahren und computerprogramm für das dekodieren eines audio-signals unter verwendung kaskadierter audio-objektverarbeitung |
KR101405022B1 (ko) | 2009-09-18 | 2014-06-10 | 돌비 인터네셔널 에이비 | 입력 신호를 전위시키기 위한 시스템 및 방법, 상기 방법을 수행하는 소프트웨어 프로그램 및 컴퓨터 프로그램 제품을 포함하는 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 |
US9105300B2 (en) | 2009-10-19 | 2015-08-11 | Dolby International Ab | Metadata time marking information for indicating a section of an audio object |
KR101309671B1 (ko) * | 2009-10-21 | 2013-09-23 | 돌비 인터네셔널 에이비 | 결합된 트랜스포저 필터 뱅크에서의 오버샘플링 |
US9117458B2 (en) * | 2009-11-12 | 2015-08-25 | Lg Electronics Inc. | Apparatus for processing an audio signal and method thereof |
EP2532002B1 (de) * | 2010-03-09 | 2014-01-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung, Verfahren und Computer-Programm zur Verarbeitung eines Audiosignals |
PL2545553T3 (pl) | 2010-03-09 | 2015-01-30 | Fraunhofer Ges Forschung | Urządzenie i sposób do przetwarzania sygnału audio z użyciem zrównania granicy obszaru |
MY152376A (en) | 2010-03-09 | 2014-09-15 | Fraunhofer Ges Forschung | Improved magnitude response and temporal alignment in phase vocoder based bandwidth extension for audio signals |
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 |
TR201904117T4 (tr) * | 2010-04-16 | 2019-05-21 | Fraunhofer Ges Forschung | Kılavuzlu bant genişliği uzantısı ve gözü kapalı bant genişliği uzantısı kullanılarak bir geniş bantlı sinyal üretilmesine yönelik aparat, yöntem ve bilgisayar programı. |
US8958510B1 (en) * | 2010-06-10 | 2015-02-17 | Fredric J. Harris | Selectable bandwidth filter |
US8762158B2 (en) * | 2010-08-06 | 2014-06-24 | Samsung Electronics Co., Ltd. | Decoding method and decoding apparatus therefor |
MY156027A (en) | 2010-08-12 | 2015-12-31 | Fraunhofer Ges Forschung | Resampling output signals of qmf based audio codecs |
US8759661B2 (en) | 2010-08-31 | 2014-06-24 | Sonivox, L.P. | System and method for audio synthesizer utilizing frequency aperture arrays |
US8653354B1 (en) * | 2011-08-02 | 2014-02-18 | Sonivoz, L.P. | Audio synthesizing systems and methods |
CN103368682B (zh) | 2012-03-29 | 2016-12-07 | 华为技术有限公司 | 信号编码和解码的方法和设备 |
KR101897455B1 (ko) * | 2012-04-16 | 2018-10-04 | 삼성전자주식회사 | 음질 향상 장치 및 방법 |
US9173041B2 (en) | 2012-05-31 | 2015-10-27 | Purdue Research Foundation | Enhancing perception of frequency-lowered speech |
EP2682941A1 (de) * | 2012-07-02 | 2014-01-08 | Technische Universität Ilmenau | Vorrichtung, Verfahren und Computerprogramm für frei wählbare Frequenzverschiebungen in der Subband-Domäne |
CA2908625C (en) | 2013-04-05 | 2017-10-03 | Dolby International Ab | Audio encoder and decoder |
EP2830064A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Decodierung und Codierung eines Audiosignals unter Verwendung adaptiver Spektralabschnittsauswahl |
TWI713018B (zh) | 2013-09-12 | 2020-12-11 | 瑞典商杜比國際公司 | 多聲道音訊系統中之解碼方法、解碼裝置、包含用於執行解碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置的音訊系統 |
CA2942743C (en) | 2014-03-25 | 2018-11-13 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Audio encoder device and an audio decoder device having efficient gain coding in dynamic range control |
US9306606B2 (en) * | 2014-06-10 | 2016-04-05 | The Boeing Company | Nonlinear filtering using polyphase filter banks |
TWI752166B (zh) * | 2017-03-23 | 2022-01-11 | 瑞典商都比國際公司 | 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合 |
WO2019207036A1 (en) | 2018-04-25 | 2019-10-31 | Dolby International Ab | Integration of high frequency audio reconstruction techniques |
CN114242089A (zh) | 2018-04-25 | 2022-03-25 | 杜比国际公司 | 具有减少后处理延迟的高频重建技术的集成 |
CN114079603B (zh) * | 2020-08-13 | 2023-08-22 | 华为技术有限公司 | 一种信号折叠方法及设备 |
Family Cites Families (74)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3914554A (en) * | 1973-05-18 | 1975-10-21 | Bell Telephone Labor Inc | Communication system employing spectrum folding |
US4166924A (en) | 1977-05-12 | 1979-09-04 | Bell Telephone Laboratories, Incorporated | Removing reverberative echo components in speech signals |
FR2412987A1 (fr) | 1977-12-23 | 1979-07-20 | Ibm France | Procede de compression de donnees relatives au signal vocal et dispositif mettant en oeuvre ledit procede |
US4255620A (en) * | 1978-01-09 | 1981-03-10 | Vbc, Inc. | Method and apparatus for bandwidth reduction |
US4330689A (en) | 1980-01-28 | 1982-05-18 | The United States Of America As Represented By The Secretary Of The Navy | Multirate digital voice communication processor |
US4374304A (en) * | 1980-09-26 | 1983-02-15 | Bell Telephone Laboratories, Incorporated | Spectrum division/multiplication communication arrangement for speech signals |
DE3171311D1 (en) | 1981-07-28 | 1985-08-14 | Ibm | Voice coding method and arrangment for carrying out said method |
US4667340A (en) | 1983-04-13 | 1987-05-19 | Texas Instruments Incorporated | Voice messaging system with pitch-congruent baseband coding |
US4672670A (en) | 1983-07-26 | 1987-06-09 | Advanced Micro Devices, Inc. | Apparatus and methods for coding, decoding, analyzing and synthesizing a signal |
US4700362A (en) | 1983-10-07 | 1987-10-13 | Dolby Laboratories Licensing Corporation | A-D encoder and D-A decoder system |
IL73030A (en) * | 1984-09-19 | 1989-07-31 | Yaacov Kaufman | Joint and method utilising its assembly |
WO1986003873A1 (en) * | 1984-12-20 | 1986-07-03 | Gte Laboratories Incorporated | Method and apparatus for encoding speech |
US4790016A (en) | 1985-11-14 | 1988-12-06 | Gte Laboratories Incorporated | Adaptive method and apparatus for coding speech |
FR2577084B1 (fr) * | 1985-02-01 | 1987-03-20 | Trt Telecom Radio Electr | Systeme de bancs de filtres d'analyse et de synthese d'un signal |
CA1220282A (en) | 1985-04-03 | 1987-04-07 | Northern Telecom Limited | Transmission of wideband speech signals |
EP0243562B1 (de) | 1986-04-30 | 1992-01-29 | International Business Machines Corporation | Sprachkodierungsverfahren und Einrichtung zur Ausführung dieses Verfahrens |
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 |
JPS6385699A (ja) * | 1986-09-30 | 1988-04-16 | 沖電気工業株式会社 | 帯域分割型音声合成器 |
US5054072A (en) | 1987-04-02 | 1991-10-01 | Massachusetts Institute Of Technology | Coding of acoustic waveforms |
US5285520A (en) | 1988-03-02 | 1994-02-08 | Kokusai Denshin Denwa Kabushiki Kaisha | Predictive coding apparatus |
US5127054A (en) * | 1988-04-29 | 1992-06-30 | Motorola, Inc. | Speech quality improvement for voice coders and synthesizers |
EP0392126B1 (de) | 1989-04-11 | 1994-07-20 | International Business Machines Corporation | Verfahren zur schnellen Bestimmung der Grundfrequenz in Sprachcodierern mit langfristiger Prädiktion |
US5261027A (en) | 1989-06-28 | 1993-11-09 | Fujitsu Limited | Code excited linear prediction speech coding system |
US4974187A (en) | 1989-08-02 | 1990-11-27 | Aware, Inc. | Modular digital signal processing system |
US5040217A (en) | 1989-10-18 | 1991-08-13 | At&T Bell Laboratories | Perceptual coding of audio signals |
US4969040A (en) | 1989-10-26 | 1990-11-06 | Bell Communications Research, Inc. | Apparatus and method for differential sub-band coding of video signals |
US5235671A (en) * | 1990-10-15 | 1993-08-10 | Gte Laboratories Incorporated | Dynamic bit allocation subband excited transform coding method and apparatus |
US5293449A (en) | 1990-11-23 | 1994-03-08 | Comsat Corporation | Analysis-by-synthesis 2,4 kbps linear predictive speech codec |
JP3158458B2 (ja) | 1991-01-31 | 2001-04-23 | 日本電気株式会社 | 階層表現された信号の符号化方式 |
GB9104186D0 (en) | 1991-02-28 | 1991-04-17 | British Aerospace | Apparatus for and method of digital signal processing |
US5235420A (en) | 1991-03-22 | 1993-08-10 | Bell Communications Research, Inc. | Multilayer universal video coder |
KR100268623B1 (ko) | 1991-06-28 | 2000-10-16 | 이데이 노부유끼 | 압축 데이타 기록 재생 장치 및 신호 처리 방법 |
JPH05191885A (ja) | 1992-01-10 | 1993-07-30 | Clarion Co Ltd | 音響信号イコライザ回路 |
US5765127A (en) | 1992-03-18 | 1998-06-09 | Sony Corp | High efficiency encoding method |
IT1257065B (it) | 1992-07-31 | 1996-01-05 | Sip | Codificatore a basso ritardo per segnali audio, utilizzante tecniche di analisi per sintesi. |
JPH0685607A (ja) | 1992-08-31 | 1994-03-25 | Alpine Electron Inc | 高域成分復元装置 |
JP2779886B2 (ja) | 1992-10-05 | 1998-07-23 | 日本電信電話株式会社 | 広帯域音声信号復元方法 |
JP3191457B2 (ja) | 1992-10-31 | 2001-07-23 | ソニー株式会社 | 高能率符号化装置、ノイズスペクトル変更装置及び方法 |
CA2106440C (en) | 1992-11-30 | 1997-11-18 | Jelena Kovacevic | Method and apparatus for reducing correlated errors in subband coding systems with quantizers |
JP3496230B2 (ja) | 1993-03-16 | 2004-02-09 | パイオニア株式会社 | 音場制御システム |
US5581653A (en) | 1993-08-31 | 1996-12-03 | Dolby Laboratories Licensing Corporation | Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder |
JPH07160299A (ja) | 1993-12-06 | 1995-06-23 | Hitachi Denshi Ltd | 音声信号帯域圧縮伸張装置並びに音声信号の帯域圧縮伝送方式及び再生方式 |
JP2616549B2 (ja) | 1993-12-10 | 1997-06-04 | 日本電気株式会社 | 音声復号装置 |
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 |
US5711934A (en) * | 1994-04-11 | 1998-01-27 | Abbott Laboratories | Process for the continuous milling of aerosol pharmaceutical formulations in aerosol propellants |
US5787387A (en) | 1994-07-11 | 1998-07-28 | Voxware, Inc. | Harmonic adaptive speech coding method and system |
FR2729024A1 (fr) | 1994-12-30 | 1996-07-05 | Matra Communication | Annuleur d'echo acoustique avec filtrage en sous-bandes |
US5701390A (en) | 1995-02-22 | 1997-12-23 | Digital Voice Systems, Inc. | Synthesis of MBE-based coded speech using regenerated phase information |
JP2956548B2 (ja) | 1995-10-05 | 1999-10-04 | 松下電器産業株式会社 | 音声帯域拡大装置 |
US5915235A (en) | 1995-04-28 | 1999-06-22 | Dejaco; Andrew P. | Adaptive equalizer preprocessor for mobile telephone speech coder to modify nonideal frequency response of acoustic transducer |
US5692050A (en) | 1995-06-15 | 1997-11-25 | Binaura Corporation | Method and apparatus for spatially enhancing stereo and monophonic signals |
JPH0946233A (ja) | 1995-07-31 | 1997-02-14 | Kokusai Electric Co Ltd | 音声符号化方法とその装置、音声復号方法とその装置 |
JPH0955778A (ja) | 1995-08-15 | 1997-02-25 | Fujitsu Ltd | 音声信号の広帯域化装置 |
JP3301473B2 (ja) | 1995-09-27 | 2002-07-15 | 日本電信電話株式会社 | 広帯域音声信号復元方法 |
US5867819A (en) | 1995-09-29 | 1999-02-02 | Nippon Steel Corporation | Audio decoder |
US5687191A (en) | 1995-12-06 | 1997-11-11 | Solana Technology Development Corporation | Post-compression hidden data transport |
US5781888A (en) | 1996-01-16 | 1998-07-14 | Lucent Technologies Inc. | Perceptual noise shaping in the time domain via LPC prediction in the frequency domain |
US5822370A (en) | 1996-04-16 | 1998-10-13 | Aura Systems, Inc. | Compression/decompression for preservation of high fidelity speech quality at low bandwidth |
US5848164A (en) | 1996-04-30 | 1998-12-08 | The Board Of Trustees Of The Leland Stanford Junior University | System and method for effects processing on audio subband data |
CA2184541A1 (en) | 1996-08-30 | 1998-03-01 | Tet Hin Yeap | Method and apparatus for wavelet modulation of signals for transmission and/or storage |
US5875122A (en) | 1996-12-17 | 1999-02-23 | Intel Corporation | Integrated systolic architecture for decomposition and reconstruction of signals using wavelet transforms |
JPH10334604A (ja) * | 1997-05-27 | 1998-12-18 | Hitachi Ltd | 圧縮データ再生装置 |
SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
US6144937A (en) | 1997-07-23 | 2000-11-07 | Texas Instruments Incorporated | Noise suppression of speech by signal processing including applying a transform to time domain input sequences of digital signals representing audio information |
US5913191A (en) * | 1997-10-17 | 1999-06-15 | Dolby Laboratories Licensing Corporation | Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries |
KR100474826B1 (ko) | 1998-05-09 | 2005-05-16 | 삼성전자주식회사 | 음성부호화기에서의주파수이동법을이용한다중밴드의유성화도결정방법및그장치 |
GB2344036B (en) | 1998-11-23 | 2004-01-21 | Mitel Corp | Single-sided subband filters |
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) |
EP1119911A1 (de) | 1999-07-27 | 2001-08-01 | Koninklijke Philips Electronics N.V. | Filterungsschaltung |
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 |
SE0001926D0 (sv) * | 2000-05-23 | 2000-05-23 | Lars Liljeryd | Improved spectral translation/folding in the subband domain |
EP1211636A1 (de) | 2000-11-29 | 2002-06-05 | STMicroelectronics S.r.l. | Filtereinrichtung und Verfahren zur Reduzierung von Geräusch in elektrischen Signalen, insbesondere akustische Signale und Bilder |
-
2000
- 2000-05-23 SE SE0001926A patent/SE0001926D0/xx unknown
-
2001
- 2001-05-23 DE DE60100813T patent/DE60100813T2/de not_active Expired - Lifetime
- 2001-05-23 RU RU2002134479/09A patent/RU2251795C2/ru active
- 2001-05-23 AT AT01937069T patent/ATE250272T1/de not_active IP Right Cessation
- 2001-05-23 JP JP2001587421A patent/JP4289815B2/ja not_active Expired - Lifetime
- 2001-05-23 CN CNB018099785A patent/CN1210689C/zh not_active Expired - Lifetime
- 2001-05-23 AU AU2001262836A patent/AU2001262836A1/en not_active Abandoned
- 2001-05-23 US US10/296,562 patent/US7483758B2/en not_active Expired - Lifetime
- 2001-05-23 EP EP01937069A patent/EP1285436B1/de not_active Expired - Lifetime
- 2001-05-23 BR BRPI0111362A patent/BRPI0111362B1/pt active IP Right Grant
- 2001-05-23 WO PCT/SE2001/001171 patent/WO2001091111A1/en active Application Filing
-
2002
- 2002-11-22 SE SE0203468A patent/SE523883C2/sv not_active IP Right Cessation
-
2003
- 2003-10-31 HK HK03107851A patent/HK1067954A1/xx not_active IP Right Cessation
-
2008
- 2008-10-16 US US12/253,135 patent/US7680552B2/en not_active Expired - Lifetime
-
2009
- 2009-03-02 JP JP2009047856A patent/JP5090390B2/ja not_active Expired - Lifetime
-
2010
- 2010-02-10 US US12/703,553 patent/US8412365B2/en not_active Expired - Lifetime
-
2012
- 2012-04-30 US US13/460,797 patent/US8543232B2/en not_active Expired - Lifetime
-
2013
- 2013-08-19 US US13/969,708 patent/US9245534B2/en not_active Expired - Fee Related
-
2015
- 2015-12-10 US US14/964,836 patent/US9548059B2/en not_active Expired - Lifetime
-
2016
- 2016-12-06 US US15/370,054 patent/US9697841B2/en not_active Expired - Lifetime
-
2017
- 2017-03-01 US US15/446,535 patent/US9786290B2/en not_active Expired - Lifetime
- 2017-03-01 US US15/446,553 patent/US9691402B1/en not_active Expired - Lifetime
- 2017-03-01 US US15/446,505 patent/US9691400B1/en not_active Expired - Lifetime
- 2017-03-01 US US15/446,562 patent/US9691403B1/en not_active Expired - Lifetime
- 2017-03-01 US US15/446,485 patent/US9691399B1/en not_active Expired - Lifetime
- 2017-03-01 US US15/446,524 patent/US9691401B1/en not_active Expired - Lifetime
- 2017-08-15 US US15/677,454 patent/US10008213B2/en not_active Expired - Fee Related
-
2018
- 2018-05-24 US US15/988,135 patent/US10311882B2/en not_active Expired - Fee Related
-
2019
- 2019-02-12 US US16/274,044 patent/US10699724B2/en not_active Expired - Lifetime
-
2020
- 2020-06-23 US US16/908,758 patent/US20200388294A1/en not_active Abandoned
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE0001926D0 (sv) | Improved spectral translation/folding in the subband domain | |
KR0185582B1 (ko) | 오디오 신호의 타임 시퀀스 처리방법 및 장치 | |
PT1125284E (pt) | Metodo de recuperacao de medidor de alta frequencia e dispositivo para sinal de banda larga sintetizado e sobreamostrado | |
AU7035298A (en) | Method for signalling a noise substitution during audio signal coding | |
RU2002134479A (ru) | Усовершенствованное преобразование спектра/свертка в области поддиапазонов | |
JP3277682B2 (ja) | 情報符号化方法及び装置、情報復号化方法及び装置、並びに情報記録媒体及び情報伝送方法 | |
DE69719246T2 (de) | Spektrale Umsetzung eines digitalen Audiosignals | |
CL2020002392A1 (es) | (divisional de solicitud 1922-2020) integración compatible hacia atrás de técnicas de reconstrucción de alta frecuencia para señales de audio. | |
Ambikairajah et al. | Wideband speech and audio coding using gammatone filter banks | |
Levine et al. | Alias-free, multiresolution sinusoidal modeling for polyphonic, wideband audio | |
Heide et al. | Speech enhancement for bandlimited speech | |
Sen et al. | Use of an auditory model to improve speech coders | |
Quatieri et al. | A subband approach to time-scale expansion of complex acoustic signals | |
WO2017050398A1 (en) | Encoder, decoder and methods for signal-adaptive switching of the overlap ratio in audio transform coding | |
JPS5675700A (en) | Voice synthesizer | |
Baumgarte | A psychoacoustic model for audio coding based on a cochlear filter bank | |
Boland et al. | Low bit-rate audio coder using an M-band multiresolution filter bank | |
Martínez et al. | Compressing audio signals with the use of the wavelet transform and Embedded Systems | |
Kleczkowski | Acoustic signal expansion in multiple trigonometric bases | |
RU94016311A (ru) | Способ акустического выявления фиксации голосовой складки | |
Agerkvist | Time-frequency analysis with temporal and spectral resolution as the human auditory system | |
Kudumakis et al. | Wavelets versus conventional filters for low bit rate audio coding | |
TUNCER | Signal Injection With Perceptual Criteria | |
Berisha et al. | Psychoacoustics | |
BR122015001401B1 (pt) | Método para decodificar um sinal codificado para obter um sinal de áudio de saída e aparelho para decodificar um sinal codificado para obter um sinal de áudio de saída |