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)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Transmitters (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 (ko) |
| JP (1) | JP5255699B2 (ko) |
| KR (1) | KR101239812B1 (ko) |
| CN (1) | CN102105931B (ko) |
| AR (1) | AR072483A1 (ko) |
| AU (1) | AU2009267460B2 (ko) |
| BR (2) | BRPI0910528B1 (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 (20)
| 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 |
| WO2011110494A1 (en) | 2010-03-09 | 2011-09-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Improved magnitude response and temporal alignment in phase vocoder based bandwidth extension for audio signals |
| ES2449476T3 (es) | 2010-03-09 | 2014-03-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato, procedimiento y programa de ordenador para procesar una señal de audio |
| EP2545548A1 (en) | 2010-03-09 | 2013-01-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for processing an input audio signal using cascaded filterbanks |
| EP2559032B1 (en) * | 2010-04-16 | 2019-01-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for generating a wideband signal using guided bandwidth extension and blind bandwidth extension |
| US12002476B2 (en) | 2010-07-19 | 2024-06-04 | Dolby International Ab | Processing of audio signals during high frequency reconstruction |
| ES2942867T3 (es) * | 2010-07-19 | 2023-06-07 | Dolby Int Ab | Procesamiento de señales de audio durante la reconstrucción de alta frecuencia |
| KR102564590B1 (ko) | 2010-09-16 | 2023-08-09 | 돌비 인터네셔널 에이비 | 교차 곱 강화된 서브밴드 블록 기반 고조파 전위 |
| US8490008B2 (en) * | 2011-11-10 | 2013-07-16 | Research In Motion Limited | Touchscreen keyboard predictive display and generation of a set of characters |
| ES2582475T3 (es) * | 2011-11-02 | 2016-09-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Generación de una extensión de banda ancha de una señal de audio de ancho de banda extendido |
| 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 |
| EP2980795A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
| 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 |
| MXPA03002115A (es) | 2001-07-13 | 2003-08-26 | Matsushita Electric Ind Co Ltd | DISPOSITIVO DE DECODIFICACION Y CODIFICACION DE SEnAL DE AUDIO. |
| KR20040035749A (ko) * | 2001-08-31 | 2004-04-29 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 사운드 신호의 대역폭 확장 방법 |
| 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 |
| US8019597B2 (en) * | 2004-10-28 | 2011-09-13 | Panasonic Corporation | Scalable encoding apparatus, scalable decoding apparatus, and methods thereof |
| 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 ES ES09776840.2T patent/ES2461141T3/es active Active
- 2009-06-25 AU AU2009267460A patent/AU2009267460B2/en active Active
- 2009-06-25 MY MYPI2011000040A patent/MY163454A/en unknown
- 2009-06-25 EP EP09776840.2A patent/EP2291842B1/en active Active
- 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 RU RU2011100134/08A patent/RU2512090C2/ru active
- 2009-06-25 KR KR1020117000441A patent/KR101239812B1/ko active IP Right Grant
- 2009-06-25 JP JP2011516992A patent/JP5255699B2/ja active Active
- 2009-06-25 MX MX2011000365A patent/MX2011000365A/es active IP Right Grant
- 2009-06-25 BR BR122017003818-4A patent/BR122017003818B1/pt active IP Right Grant
- 2009-06-25 PL PL09776840T patent/PL2291842T3/pl unknown
- 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 (6)
| 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 |
| US12094480B2 (en) | 2017-03-23 | 2024-09-17 | Dolby International Ab | Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals |
Also Published As
| Publication number | Publication date |
|---|---|
| BR122017003818B1 (pt) | 2024-03-05 |
| PL2291842T3 (pl) | 2014-08-29 |
| EP2291842A1 (en) | 2011-03-09 |
| ZA201009164B (en) | 2011-10-26 |
| BRPI0910528A2 (pt) | 2018-05-22 |
| WO2010003557A1 (en) | 2010-01-14 |
| HK1154112A1 (en) | 2012-04-20 |
| RU2011100134A (ru) | 2012-07-20 |
| AU2009267460A1 (en) | 2010-01-14 |
| CN102105931A (zh) | 2011-06-22 |
| TW201007708A (en) | 2010-02-16 |
| MY163454A (en) | 2017-09-15 |
| BR122017003818A2 (pt) | 2019-09-03 |
| CN102105931B (zh) | 2013-04-10 |
| KR101239812B1 (ko) | 2013-03-06 |
| JP5255699B2 (ja) | 2013-08-07 |
| MX2011000365A (es) | 2011-02-25 |
| AU2009267460B2 (en) | 2013-01-10 |
| AR072483A1 (es) | 2010-09-01 |
| RU2512090C2 (ru) | 2014-04-10 |
| ES2461141T3 (es) | 2014-05-16 |
| JP2011527452A (ja) | 2011-10-27 |
| CA2729474A1 (en) | 2010-01-14 |
| TWI415116B (zh) | 2013-11-11 |
| CO6541514A2 (es) | 2012-10-16 |
| EP2291842B1 (en) | 2014-03-12 |
| KR20110033188A (ko) | 2011-03-30 |
| BRPI0910528B1 (pt) | 2020-09-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |