CA2729474C - Apparatus and method for generating a bandwidth extended signal - Google Patents
Apparatus and method for generating a bandwidth extended signal Download PDFInfo
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- CA2729474C CA2729474C CA2729474A CA2729474A CA2729474C CA 2729474 C CA2729474 C CA 2729474C CA 2729474 A CA2729474 A CA 2729474A CA 2729474 A CA2729474 A CA 2729474A CA 2729474 C CA2729474 C CA 2729474C
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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
- 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
-
- 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
-
- 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
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)
- Stereophonic System (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7984908P | 2008-07-11 | 2008-07-11 | |
| US61/079,849 | 2008-07-11 | ||
| PCT/EP2009/004603 WO2010003557A1 (en) | 2008-07-11 | 2009-06-25 | Apparatus and method for generating a bandwidth extended signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2729474A1 CA2729474A1 (en) | 2010-01-14 |
| CA2729474C true CA2729474C (en) | 2015-09-01 |
Family
ID=41162740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2729474A Active CA2729474C (en) | 2008-07-11 | 2009-06-25 | Apparatus and method for generating a bandwidth extended signal |
Country Status (18)
| Country | Link |
|---|---|
| EP (1) | EP2291842B1 (ko) |
| JP (1) | JP5255699B2 (ko) |
| KR (1) | KR101239812B1 (ko) |
| CN (1) | CN102105931B (ko) |
| AR (1) | AR072483A1 (ko) |
| AU (1) | AU2009267460B2 (ko) |
| BR (2) | BR122017003818B1 (ko) |
| CA (1) | CA2729474C (ko) |
| CO (1) | CO6541514A2 (ko) |
| ES (1) | ES2461141T3 (ko) |
| HK (1) | HK1154112A1 (ko) |
| MX (1) | MX2011000365A (ko) |
| MY (1) | MY163454A (ko) |
| PL (1) | PL2291842T3 (ko) |
| RU (1) | RU2512090C2 (ko) |
| TW (1) | TWI415116B (ko) |
| WO (1) | WO2010003557A1 (ko) |
| ZA (1) | ZA201009164B (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11605391B2 (en) | 2017-03-23 | 2023-03-14 | Dolby International Ab | Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4120263B1 (en) | 2010-01-19 | 2023-08-09 | Dolby International AB | Improved subband block based harmonic transposition |
| WO2011110496A1 (en) | 2010-03-09 | 2011-09-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for handling transient sound events in audio signals when changing the replay speed or pitch |
| JP5854520B2 (ja) | 2010-03-09 | 2016-02-09 | フラウンホーファーゲゼルシャフトツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． | オーディオ信号用の位相ボコーダに基づく帯域幅拡張方法における改善された振幅応答及び時間的整列のための装置及び方法 |
| ES2935637T3 (es) | 2010-03-09 | 2023-03-08 | Fraunhofer Ges Forschung | Reconstrucción de alta frecuencia de una señal de audio de entrada usando bancos de filtros en cascada |
| JP5554876B2 (ja) * | 2010-04-16 | 2014-07-23 | フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． | ガイドされた帯域幅拡張およびブラインド帯域幅拡張を用いて広帯域信号を生成するため装置、方法およびコンピュータプログラム |
| US12002476B2 (en) | 2010-07-19 | 2024-06-04 | Dolby International Ab | Processing of audio signals during high frequency reconstruction |
| BR112012024360B1 (pt) * | 2010-07-19 | 2020-11-03 | Dolby International Ab | sistema configurado para gerar uma pluralidade de sinais de áudio de sub-banda de alta frequência, decodificador de áudio, codificador, método para gerar uma pluralidade de sinais de sub-banda de alta frequência, método para decodificar um fluxo de bits, método para gerar dados de controle a partir de um sinal de áudio e meio de armazenamento |
| ES2938725T3 (es) | 2010-09-16 | 2023-04-14 | Dolby Int Ab | Transposición armónica basada en bloque de subbanda mejorado de producto cruzado |
| US8490008B2 (en) * | 2011-11-10 | 2013-07-16 | Research In Motion Limited | Touchscreen keyboard predictive display and generation of a set of characters |
| EP2791937B1 (en) * | 2011-11-02 | 2016-06-08 | Telefonaktiebolaget LM Ericsson (publ) | Generation of a high band extension of a bandwidth extended audio signal |
| CN102543086B (zh) * | 2011-12-16 | 2013-08-14 | 大连理工大学 | 一种基于音频水印的语音带宽扩展的装置和方法 |
| 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 |
| EP2830060A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Noise filling in multichannel audio coding |
| US9564141B2 (en) * | 2014-02-13 | 2017-02-07 | Qualcomm Incorporated | Harmonic bandwidth extension of audio signals |
| JP2016038435A (ja) * | 2014-08-06 | 2016-03-22 | 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 |
| RU2589305C1 (ru) * | 2014-11-18 | 2016-07-10 | Федеральное государственное казенное военное образовательное учреждение высшего профессионального образования "Военный учебно-научный центр Военно-воздушных сил "Военно-воздушная академия имени профессора Н.Е. Жуковского и Ю.А. Гагарина" (г. Воронеж) Министерства обороны Российской Федерации | Способ генерации высокочастотных сигналов и устройство его реализации |
| WO2016149085A2 (en) * | 2015-03-13 | 2016-09-22 | Psyx Research, Inc. | System and method for dynamic recovery of audio data and compressed audio enhancement |
| EP3121814A1 (en) * | 2015-07-24 | 2017-01-25 | Sound object techology S.A. in organization | A method and a system for decomposition of acoustic signal into sound objects, a sound object and its use |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US654988A (en) * | 1900-03-16 | 1900-07-31 | Leonhard Lederer | Process of making acetyl cellulose. |
| US5455888A (en) * | 1992-12-04 | 1995-10-03 | Northern Telecom Limited | Speech bandwidth extension method and apparatus |
| SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| RU2256293C2 (ru) * | 1997-06-10 | 2005-07-10 | Коудинг Технолоджиз Аб | Усовершенствование исходного кодирования с использованием дублирования спектральной полосы |
| EP0945852A1 (en) * | 1998-03-25 | 1999-09-29 | BRITISH TELECOMMUNICATIONS public limited company | Speech synthesis |
| 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) |
| SE0004163D0 (sv) * | 2000-11-14 | 2000-11-14 | Coding Technologies Sweden Ab | Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
| CN1272911C (zh) | 2001-07-13 | 2006-08-30 | 松下电器产业株式会社 | 音频信号解码装置及音频信号编码装置 |
| WO2003019534A1 (en) * | 2001-08-31 | 2003-03-06 | Koninklijke Philips Electronics N.V. | Bandwidth extension of a sound signal |
| JP4380174B2 (ja) * | 2003-02-27 | 2009-12-09 | 沖電気工業株式会社 | 帯域補正装置 |
| CN100550131C (zh) * | 2003-05-20 | 2009-10-14 | 松下电器产业株式会社 | 用于扩展音频信号的频带的方法及其装置 |
| 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 |
| DE602005023503D1 (de) * | 2004-10-28 | 2010-10-21 | Panasonic Corp | Skalierbare codierungsvorrichtung, skalierbare decodierungsvorrichtung und verfahren dafür |
| KR100647336B1 (ko) * | 2005-11-08 | 2006-11-23 | 삼성전자주식회사 | 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법 |
| 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 |
-
2009
- 2009-06-25 MY MYPI2011000040A patent/MY163454A/en unknown
- 2009-06-25 RU RU2011100134/08A patent/RU2512090C2/ru active
- 2009-06-25 WO PCT/EP2009/004603 patent/WO2010003557A1/en active Application Filing
- 2009-06-25 CN CN2009801270931A patent/CN102105931B/zh active Active
- 2009-06-25 KR KR1020117000441A patent/KR101239812B1/ko active IP Right Grant
- 2009-06-25 BR BR122017003818-4A patent/BR122017003818B1/pt active IP Right Grant
- 2009-06-25 JP JP2011516992A patent/JP5255699B2/ja active Active
- 2009-06-25 ES ES09776840.2T patent/ES2461141T3/es active Active
- 2009-06-25 BR BRPI0910528-0A patent/BRPI0910528B1/pt active IP Right Grant
- 2009-06-25 EP EP09776840.2A patent/EP2291842B1/en active Active
- 2009-06-25 AU AU2009267460A patent/AU2009267460B2/en active Active
- 2009-06-25 MX MX2011000365A patent/MX2011000365A/es active IP Right Grant
- 2009-06-25 PL PL09776840T patent/PL2291842T3/pl unknown
- 2009-06-25 CA CA2729474A patent/CA2729474C/en active Active
- 2009-07-03 TW TW098122551A patent/TWI415116B/zh active
- 2009-07-07 AR ARP090102552A patent/AR072483A1/es active IP Right Grant
-
2010
- 2010-12-21 ZA ZA2010/09164A patent/ZA201009164B/en unknown
- 2010-12-29 CO CO10164070A patent/CO6541514A2/es active IP Right Grant
-
2011
- 2011-08-10 HK HK11108364.8A patent/HK1154112A1/xx unknown
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11605391B2 (en) | 2017-03-23 | 2023-03-14 | Dolby International Ab | Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals |
| US11621013B2 (en) | 2017-03-23 | 2023-04-04 | Dolby International Ab | Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals |
| US11626123B2 (en) | 2017-03-23 | 2023-04-11 | Dolby International Ab | Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals |
| US11676616B2 (en) | 2017-03-23 | 2023-06-13 | Dolby International Ab | Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals |
| US11763830B2 (en) | 2017-03-23 | 2023-09-19 | Dolby International Ab | Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2729474A1 (en) | 2010-01-14 |
| AU2009267460A1 (en) | 2010-01-14 |
| PL2291842T3 (pl) | 2014-08-29 |
| AU2009267460B2 (en) | 2013-01-10 |
| BR122017003818B1 (pt) | 2024-03-05 |
| CN102105931A (zh) | 2011-06-22 |
| EP2291842B1 (en) | 2014-03-12 |
| CO6541514A2 (es) | 2012-10-16 |
| BRPI0910528A2 (pt) | 2018-05-22 |
| JP5255699B2 (ja) | 2013-08-07 |
| AR072483A1 (es) | 2010-09-01 |
| KR20110033188A (ko) | 2011-03-30 |
| EP2291842A1 (en) | 2011-03-09 |
| KR101239812B1 (ko) | 2013-03-06 |
| MY163454A (en) | 2017-09-15 |
| CN102105931B (zh) | 2013-04-10 |
| BR122017003818A2 (pt) | 2019-09-03 |
| HK1154112A1 (en) | 2012-04-20 |
| BRPI0910528B1 (pt) | 2020-09-24 |
| WO2010003557A1 (en) | 2010-01-14 |
| TW201007708A (en) | 2010-02-16 |
| TWI415116B (zh) | 2013-11-11 |
| MX2011000365A (es) | 2011-02-25 |
| RU2512090C2 (ru) | 2014-04-10 |
| ES2461141T3 (es) | 2014-05-16 |
| RU2011100134A (ru) | 2012-07-20 |
| ZA201009164B (en) | 2011-10-26 |
| JP2011527452A (ja) | 2011-10-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |