AR072483A1 - Aparato y metodo para generar una senal de ancho de banda ampliado - Google Patents
Aparato y metodo para generar una senal de ancho de banda ampliadoInfo
- Publication number
- AR072483A1 AR072483A1 ARP090102552A ARP090102552A AR072483A1 AR 072483 A1 AR072483 A1 AR 072483A1 AR P090102552 A ARP090102552 A AR P090102552A AR P090102552 A ARP090102552 A AR P090102552A AR 072483 A1 AR072483 A1 AR 072483A1
- Authority
- AR
- Argentina
- Prior art keywords
- patch
- input signal
- extended bandwidth
- band
- generating
- Prior art date
Links
- 230000003595 spectral effect Effects 0.000 abstract 3
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)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7984908P | 2008-07-11 | 2008-07-11 | |
| PCT/EP2009/004603 WO2010003557A1 (en) | 2008-07-11 | 2009-06-25 | Apparatus and method for generating a bandwidth extended signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR072483A1 true AR072483A1 (es) | 2010-09-01 |
Family
ID=41162740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP090102552A AR072483A1 (es) | 2008-07-11 | 2009-07-07 | Aparato y metodo para generar una senal de ancho de banda ampliado |
Country Status (18)
| Country | Link |
|---|---|
| EP (1) | EP2291842B1 (pt) |
| JP (1) | JP5255699B2 (pt) |
| KR (1) | KR101239812B1 (pt) |
| CN (1) | CN102105931B (pt) |
| AR (1) | AR072483A1 (pt) |
| AU (1) | AU2009267460B2 (pt) |
| BR (2) | BR122017003818B1 (pt) |
| CA (1) | CA2729474C (pt) |
| CO (1) | CO6541514A2 (pt) |
| ES (1) | ES2461141T3 (pt) |
| HK (1) | HK1154112A1 (pt) |
| MX (1) | MX2011000365A (pt) |
| MY (1) | MY163454A (pt) |
| PL (1) | PL2291842T3 (pt) |
| RU (1) | RU2512090C2 (pt) |
| TW (1) | TWI415116B (pt) |
| WO (1) | WO2010003557A1 (pt) |
| ZA (1) | ZA201009164B (pt) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2955432T3 (es) | 2010-01-19 | 2023-12-01 | Dolby Int Ab | Transposición armónica basada en bloque de subbandas mejorada |
| KR101412117B1 (ko) | 2010-03-09 | 2014-06-26 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 재생 속도 또는 피치를 변경할 때 오디오 신호에서 과도 사운드 이벤트를 처리하기 위한 장치 및 방법 |
| CN103038819B (zh) | 2010-03-09 | 2015-02-18 | 弗兰霍菲尔运输应用研究公司 | 用以使用补丁边界对准处理输入音频信号的装置及方法 |
| 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 |
| 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 |
| DK3975178T3 (da) | 2010-09-16 | 2022-12-05 | Dolby Int Ab | Krydsprodukt-forstærket underbåndsblokbaseret harmonisk transponering |
| US8490008B2 (en) * | 2011-11-10 | 2013-07-16 | Research In Motion Limited | Touchscreen keyboard predictive display and generation of a set of characters |
| PT2791937T (pt) * | 2011-11-02 | 2016-09-19 | ERICSSON TELEFON AB L M (publ) | Geração de uma extensão da banda alta de um sinal de áudio de largura de banda estendida |
| 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 |
| 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 |
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 |
| CA2526261A1 (en) * | 2003-05-20 | 2004-12-02 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for extending band of audio signal using higher harmonic wave generator |
| 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 MX MX2011000365A patent/MX2011000365A/es active IP Right Grant
- 2009-06-25 MY MYPI2011000040A patent/MY163454A/en unknown
- 2009-06-25 PL PL09776840T patent/PL2291842T3/pl unknown
- 2009-06-25 CA CA2729474A patent/CA2729474C/en active Active
- 2009-06-25 KR KR1020117000441A patent/KR101239812B1/ko active IP Right Grant
- 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 BR BR122017003818-4A patent/BR122017003818B1/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 ES ES09776840.2T patent/ES2461141T3/es active Active
- 2009-06-25 BR BRPI0910528-0A patent/BRPI0910528B1/pt active IP Right Grant
- 2009-06-25 CN CN2009801270931A patent/CN102105931B/zh active Active
- 2009-06-25 JP JP2011516992A patent/JP5255699B2/ja 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
Also Published As
| Publication number | Publication date |
|---|---|
| CO6541514A2 (es) | 2012-10-16 |
| TW201007708A (en) | 2010-02-16 |
| PL2291842T3 (pl) | 2014-08-29 |
| MY163454A (en) | 2017-09-15 |
| BRPI0910528B1 (pt) | 2020-09-24 |
| MX2011000365A (es) | 2011-02-25 |
| BR122017003818B1 (pt) | 2024-03-05 |
| WO2010003557A1 (en) | 2010-01-14 |
| KR101239812B1 (ko) | 2013-03-06 |
| AU2009267460B2 (en) | 2013-01-10 |
| RU2011100134A (ru) | 2012-07-20 |
| CN102105931B (zh) | 2013-04-10 |
| HK1154112A1 (en) | 2012-04-20 |
| ES2461141T3 (es) | 2014-05-16 |
| KR20110033188A (ko) | 2011-03-30 |
| EP2291842B1 (en) | 2014-03-12 |
| BRPI0910528A2 (pt) | 2018-05-22 |
| AU2009267460A1 (en) | 2010-01-14 |
| TWI415116B (zh) | 2013-11-11 |
| CN102105931A (zh) | 2011-06-22 |
| EP2291842A1 (en) | 2011-03-09 |
| ZA201009164B (en) | 2011-10-26 |
| CA2729474C (en) | 2015-09-01 |
| RU2512090C2 (ru) | 2014-04-10 |
| JP5255699B2 (ja) | 2013-08-07 |
| BR122017003818A2 (pt) | 2019-09-03 |
| JP2011527452A (ja) | 2011-10-27 |
| CA2729474A1 (en) | 2010-01-14 |
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Legal Events
| Date | Code | Title | Description |
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| FG | Grant, registration |