PL2269189T3 - Urządzenie, sposób i program komputerowy do generowania reprezentacji sygnału o rozszerzonym paśmie w oparciu o reprezentację sygnału wejściowego z użyciem kombinacji harmonicznego rozszerzania pasma z nieharmonicznym rozszerzaniem pasma - Google Patents
Urządzenie, sposób i program komputerowy do generowania reprezentacji sygnału o rozszerzonym paśmie w oparciu o reprezentację sygnału wejściowego z użyciem kombinacji harmonicznego rozszerzania pasma z nieharmonicznym rozszerzaniem pasmaInfo
- Publication number
- PL2269189T3 PL2269189T3 PL10712439T PL10712439T PL2269189T3 PL 2269189 T3 PL2269189 T3 PL 2269189T3 PL 10712439 T PL10712439 T PL 10712439T PL 10712439 T PL10712439 T PL 10712439T PL 2269189 T3 PL2269189 T3 PL 2269189T3
- Authority
- PL
- Poland
- Prior art keywords
- bandwidth extension
- representation
- harmonic
- generating
- harmonic bandwidth
- Prior art date
Links
Classifications
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- 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
- G10L21/04—Time compression or expansion
-
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
-
- 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
- G10L19/02—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Quality & Reliability (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Complex Calculations (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Stored Programmes (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16612509P | 2009-04-02 | 2009-04-02 | |
| US16806809P | 2009-04-09 | 2009-04-09 | |
| EP09181008A EP2239732A1 (en) | 2009-04-09 | 2009-12-30 | Apparatus and method for generating a synthesis audio signal and for encoding an audio signal |
| PCT/EP2010/054422 WO2010112587A1 (en) | 2009-04-02 | 2010-04-01 | Apparatus, method and computer program for generating a representation of a bandwidth-extended signal on the basis of an input signal representation using a combination of a harmonic bandwidth-extension and a non-harmonic bandwidth-extension |
| EP10712439A EP2269189B1 (en) | 2009-04-02 | 2010-04-01 | Apparatus, method and computer program for generating a representation of a bandwidth-extended signal on the basis of an input signal representation using a combination of a harmonic bandwidth-extension and a non-harmonic bandwidth-extension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2269189T3 true PL2269189T3 (pl) | 2012-04-30 |
Family
ID=42123165
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL10712439T PL2269189T3 (pl) | 2009-04-02 | 2010-04-01 | Urządzenie, sposób i program komputerowy do generowania reprezentacji sygnału o rozszerzonym paśmie w oparciu o reprezentację sygnału wejściowego z użyciem kombinacji harmonicznego rozszerzania pasma z nieharmonicznym rozszerzaniem pasma |
| PL10712944T PL2351025T3 (pl) | 2009-04-09 | 2010-04-01 | Urządzenie i sposób do generowania sygnału audio syntezy oraz do kodowania sygnału audio |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL10712944T PL2351025T3 (pl) | 2009-04-09 | 2010-04-01 | Urządzenie i sposób do generowania sygnału audio syntezy oraz do kodowania sygnału audio |
Country Status (20)
| Country | Link |
|---|---|
| US (15) | US9697838B2 (pl) |
| EP (3) | EP2239732A1 (pl) |
| JP (2) | JP5227459B2 (pl) |
| KR (2) | KR101207120B1 (pl) |
| CN (2) | CN102027537B (pl) |
| AR (3) | AR076199A1 (pl) |
| AT (1) | ATE534119T1 (pl) |
| AU (2) | AU2010233858B9 (pl) |
| BR (1) | BRPI1003636B1 (pl) |
| CA (2) | CA2734973C (pl) |
| CO (1) | CO6311123A2 (pl) |
| EG (1) | EG26400A (pl) |
| ES (2) | ES2377551T3 (pl) |
| MX (2) | MX2011002419A (pl) |
| MY (2) | MY153798A (pl) |
| PL (2) | PL2269189T3 (pl) |
| RU (1) | RU2501097C2 (pl) |
| SG (1) | SG174113A1 (pl) |
| TW (2) | TWI492222B (pl) |
| WO (2) | WO2010112587A1 (pl) |
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| 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 |
| 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 |
| PL4120264T3 (pl) * | 2010-01-19 | 2023-11-20 | Dolby International Ab | Transpozycja harmonicznych oparta na ulepszonym bloku pod-pasma |
| AU2015203065B2 (en) * | 2010-01-19 | 2017-05-11 | Dolby International Ab | Improved subband block based harmonic transposition |
| 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 |
| JP5609737B2 (ja) | 2010-04-13 | 2014-10-22 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
| JP5850216B2 (ja) | 2010-04-13 | 2016-02-03 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
| AU2011239995B2 (en) * | 2010-04-16 | 2014-01-16 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. | Apparatus, method and computer program for generating a wideband signal using guided bandwidth extension and blind bandwidth extension |
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| JP5098569B2 (ja) | 2007-10-25 | 2012-12-12 | ヤマハ株式会社 | 帯域拡張再生装置 |
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| RU2483368C2 (ru) | 2007-11-06 | 2013-05-27 | Нокиа Корпорейшн | Кодер |
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| 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 |
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