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
-
- 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)
- Transmitters (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (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 (zh) |
| JP (1) | JP5255699B2 (zh) |
| KR (1) | KR101239812B1 (zh) |
| CN (1) | CN102105931B (zh) |
| AR (1) | AR072483A1 (zh) |
| AU (1) | AU2009267460B2 (zh) |
| BR (2) | BR122017003818B1 (zh) |
| CA (1) | CA2729474C (zh) |
| CO (1) | CO6541514A2 (zh) |
| ES (1) | ES2461141T3 (zh) |
| HK (1) | HK1154112A1 (zh) |
| MX (1) | MX2011000365A (zh) |
| MY (1) | MY163454A (zh) |
| PL (1) | PL2291842T3 (zh) |
| RU (1) | RU2512090C2 (zh) |
| TW (1) | TWI415116B (zh) |
| WO (1) | WO2010003557A1 (zh) |
| ZA (1) | ZA201009164B (zh) |
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 (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UA102347C2 (ru) * | 2010-01-19 | 2013-06-25 | Долби Интернешнл Аб | Усовершенствованное гармоническое преобразование на основе блока поддиапазонов |
| CN102934164B (zh) | 2010-03-09 | 2015-12-09 | 弗兰霍菲尔运输应用研究公司 | 改变回放速度或音调时处理音频信号中瞬态声音事件的设备和方法 |
| RU2596033C2 (ru) | 2010-03-09 | 2016-08-27 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Устройство и способ получения улучшенной частотной характеристики и временного фазирования способом расширения полосы аудио сигналов в фазовом вокодере |
| PL3570278T3 (pl) | 2010-03-09 | 2023-03-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Rekonstrukcja wysokiej częstotliwości wejściowego sygnału audio przy użyciu kaskadowych banków filtrów |
| 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 |
| CA3027803C (en) * | 2010-07-19 | 2020-04-07 | Dolby International Ab | Processing of audio signals during high frequency reconstruction |
| CA3067155C (en) * | 2010-09-16 | 2021-01-19 | Dolby International Ab | Cross product enhanced subband block based harmonic transposition |
| US8490008B2 (en) * | 2011-11-10 | 2013-07-16 | Research In Motion Limited | Touchscreen keyboard predictive display and generation of a set of characters |
| EP3089164A1 (en) * | 2011-11-02 | 2016-11-02 | 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 |
| RU2256293C2 (ru) * | 1997-06-10 | 2005-07-10 | Коудинг Технолоджиз Аб | Усовершенствование исходного кодирования с использованием дублирования спектральной полосы |
| SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| 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 |
| AU2002318813B2 (en) | 2001-07-13 | 2004-04-29 | Matsushita Electric Industrial Co., Ltd. | Audio signal decoding device and audio signal encoding device |
| JP2005501278A (ja) * | 2001-08-31 | 2005-01-13 | 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 | 音声信号の帯域幅拡張 |
| JP4380174B2 (ja) * | 2003-02-27 | 2009-12-09 | 沖電気工業株式会社 | 帯域補正装置 |
| EP1630790B1 (en) * | 2003-05-20 | 2008-09-03 | Matsushita Electric Industrial Co., Ltd. | Method and device for extending the audio signal band |
| 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 |
| BRPI0517246A (pt) * | 2004-10-28 | 2008-10-07 | Matsushita Electric Ind Co Ltd | aparelho de codificação escalável, aparelho de decodificação escalável e métodos para os mesmos |
| 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 BR BR122017003818-4A patent/BR122017003818B1/pt active IP Right Grant
- 2009-06-25 MX MX2011000365A patent/MX2011000365A/es active IP Right Grant
- 2009-06-25 BR BRPI0910528-0A patent/BRPI0910528B1/pt active IP Right Grant
- 2009-06-25 CA CA2729474A patent/CA2729474C/en active Active
- 2009-06-25 MY MYPI2011000040A patent/MY163454A/en unknown
- 2009-06-25 KR KR1020117000441A patent/KR101239812B1/ko active IP Right Grant
- 2009-06-25 AU AU2009267460A patent/AU2009267460B2/en active Active
- 2009-06-25 ES ES09776840.2T patent/ES2461141T3/es active Active
- 2009-06-25 PL PL09776840T patent/PL2291842T3/pl unknown
- 2009-06-25 EP EP09776840.2A patent/EP2291842B1/en active Active
- 2009-06-25 RU RU2011100134/08A patent/RU2512090C2/ru active
- 2009-06-25 JP JP2011516992A patent/JP5255699B2/ja active Active
- 2009-06-25 CN CN2009801270931A patent/CN102105931B/zh active Active
- 2009-06-25 WO PCT/EP2009/004603 patent/WO2010003557A1/en active Application Filing
- 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 |
|---|---|
| BR122017003818A2 (pt) | 2019-09-03 |
| HK1154112A1 (en) | 2012-04-20 |
| CA2729474A1 (en) | 2010-01-14 |
| BRPI0910528A2 (pt) | 2018-05-22 |
| AU2009267460B2 (en) | 2013-01-10 |
| TW201007708A (en) | 2010-02-16 |
| MY163454A (en) | 2017-09-15 |
| PL2291842T3 (pl) | 2014-08-29 |
| KR20110033188A (ko) | 2011-03-30 |
| RU2011100134A (ru) | 2012-07-20 |
| EP2291842A1 (en) | 2011-03-09 |
| RU2512090C2 (ru) | 2014-04-10 |
| MX2011000365A (es) | 2011-02-25 |
| ZA201009164B (en) | 2011-10-26 |
| AR072483A1 (es) | 2010-09-01 |
| BR122017003818B1 (pt) | 2024-03-05 |
| BRPI0910528B1 (pt) | 2020-09-24 |
| TWI415116B (zh) | 2013-11-11 |
| JP5255699B2 (ja) | 2013-08-07 |
| EP2291842B1 (en) | 2014-03-12 |
| KR101239812B1 (ko) | 2013-03-06 |
| CN102105931A (zh) | 2011-06-22 |
| ES2461141T3 (es) | 2014-05-16 |
| CN102105931B (zh) | 2013-04-10 |
| JP2011527452A (ja) | 2011-10-27 |
| WO2010003557A1 (en) | 2010-01-14 |
| AU2009267460A1 (en) | 2010-01-14 |
| CO6541514A2 (es) | 2012-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |