PL2545551T3 - Poprawiona charakterystyka amplitudowa i zrównanie czasowe w powiększaniu szerokości pasma na bazie wokodera fazowego dla sygnałów audio - Google Patents
Poprawiona charakterystyka amplitudowa i zrównanie czasowe w powiększaniu szerokości pasma na bazie wokodera fazowego dla sygnałów audioInfo
- Publication number
- PL2545551T3 PL2545551T3 PL11707156T PL11707156T PL2545551T3 PL 2545551 T3 PL2545551 T3 PL 2545551T3 PL 11707156 T PL11707156 T PL 11707156T PL 11707156 T PL11707156 T PL 11707156T PL 2545551 T3 PL2545551 T3 PL 2545551T3
- Authority
- PL
- Poland
- Prior art keywords
- audio signals
- bandwidth extension
- magnitude response
- temporal alignment
- phase vocoder
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/0204—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 using subband decomposition
- G10L19/0208—Subband vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/26—Pre-filtering or post-filtering
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31211810P | 2010-03-09 | 2010-03-09 | |
| PCT/EP2011/053298 WO2011110494A1 (en) | 2010-03-09 | 2011-03-04 | Improved magnitude response and temporal alignment in phase vocoder based bandwidth extension for audio signals |
| EP11707156.3A EP2545551B1 (en) | 2010-03-09 | 2011-03-04 | Improved magnitude response and temporal alignment in phase vocoder based bandwidth extension for audio signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2545551T3 true PL2545551T3 (pl) | 2018-03-30 |
Family
ID=43829366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL11707156T PL2545551T3 (pl) | 2010-03-09 | 2011-03-04 | Poprawiona charakterystyka amplitudowa i zrównanie czasowe w powiększaniu szerokości pasma na bazie wokodera fazowego dla sygnałów audio |
Country Status (17)
| Country | Link |
|---|---|
| US (2) | US9318127B2 (pl) |
| EP (1) | EP2545551B1 (pl) |
| JP (1) | JP5854520B2 (pl) |
| KR (1) | KR101483157B1 (pl) |
| CN (1) | CN102985970B (pl) |
| AR (1) | AR080475A1 (pl) |
| BR (1) | BR112012022745B1 (pl) |
| CA (1) | CA2792449C (pl) |
| ES (1) | ES2655085T3 (pl) |
| MX (1) | MX2012010314A (pl) |
| MY (1) | MY152376A (pl) |
| PL (1) | PL2545551T3 (pl) |
| PT (1) | PT2545551T (pl) |
| RU (1) | RU2596033C2 (pl) |
| SG (1) | SG183966A1 (pl) |
| TW (1) | TWI425501B (pl) |
| WO (1) | WO2011110494A1 (pl) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| KR101414736B1 (ko) | 2010-03-09 | 2014-08-06 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 캐스케이드 필터뱅크들을 이용한 입력 오디오 신호를 처리하는 장치 및 방법 |
| US8958510B1 (en) * | 2010-06-10 | 2015-02-17 | Fredric J. Harris | Selectable bandwidth filter |
| EP2631906A1 (en) * | 2012-02-27 | 2013-08-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Phase coherence control for harmonic signals in perceptual audio codecs |
| EP2682941A1 (de) * | 2012-07-02 | 2014-01-08 | Technische Universität Ilmenau | Vorrichtung, Verfahren und Computerprogramm für frei wählbare Frequenzverschiebungen in der Subband-Domäne |
| 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 |
| JP6345780B2 (ja) * | 2013-11-22 | 2018-06-20 | クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ | ハイバンドコーディングにおける選択的位相補償 |
| US9564141B2 (en) * | 2014-02-13 | 2017-02-07 | Qualcomm Incorporated | Harmonic bandwidth extension of audio signals |
| EP2963645A1 (en) | 2014-07-01 | 2016-01-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Calculator and method for determining phase correction data for an audio signal |
| ES2771200T3 (es) * | 2016-02-17 | 2020-07-06 | Fraunhofer Ges Forschung | Postprocesador, preprocesador, codificador de audio, decodificador de audio y métodos relacionados para mejorar el procesamiento de transitorios |
| TW202341126A (zh) | 2017-03-23 | 2023-10-16 | 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 |
| MA50760A (fr) * | 2018-04-25 | 2020-06-10 | Dolby Int Ab | Intégration de techniques de reconstruction haute fréquence à retard post-traitement réduit |
| IL310202A (en) * | 2018-04-25 | 2024-03-01 | Dolby Int Ab | Combining high-frequency audio reconstruction techniques |
| CN110881157B (zh) * | 2018-09-06 | 2021-08-10 | 宏碁股份有限公司 | 正交基底修正的音效控制方法及音效输出装置 |
| GB2579348A (en) * | 2018-11-16 | 2020-06-24 | Nokia Technologies Oy | Audio processing |
| EP3991169A4 (en) | 2019-08-08 | 2023-07-12 | Boomcloud 360 Inc. | NONLINEAR ADAPTIVE FILTER BANKS FOR A PSYCHOACOUSTIC FREQUENCY RANGE EXTENSION |
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| JPS55107313A (en) | 1979-02-08 | 1980-08-18 | Pioneer Electronic Corp | Adjuster for audio quality |
| US5455888A (en) | 1992-12-04 | 1995-10-03 | Northern Telecom Limited | Speech bandwidth extension method and apparatus |
| US6766300B1 (en) | 1996-11-07 | 2004-07-20 | Creative Technology Ltd. | Method and apparatus for transient detection and non-distortion time scaling |
| SE512719C2 (sv) | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| US6549884B1 (en) | 1999-09-21 | 2003-04-15 | Creative Technology Ltd. | Phase-vocoder pitch-shifting |
| SE0001926D0 (sv) | 2000-05-23 | 2000-05-23 | Lars Liljeryd | Improved spectral translation/folding in the subband domain |
| CN1279511C (zh) | 2001-04-13 | 2006-10-11 | 多尔拜实验特许公司 | 一种时间标度和/或音调偏移一个音频信号的方法 |
| DE60230856D1 (de) | 2001-07-13 | 2009-03-05 | Panasonic Corp | Audiosignaldecodierungseinrichtung und audiosignalcodierungseinrichtung |
| US6895375B2 (en) | 2001-10-04 | 2005-05-17 | At&T Corp. | System for bandwidth extension of Narrow-band speech |
| WO2003044777A1 (en) * | 2001-11-23 | 2003-05-30 | Koninklijke Philips Electronics N.V. | Audio signal bandwidth extension |
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| JP4227772B2 (ja) | 2002-07-19 | 2009-02-18 | 日本電気株式会社 | オーディオ復号装置と復号方法およびプログラム |
| JP4313993B2 (ja) | 2002-07-19 | 2009-08-12 | パナソニック株式会社 | オーディオ復号化装置およびオーディオ復号化方法 |
| SE0202770D0 (sv) | 2002-09-18 | 2002-09-18 | Coding Technologies Sweden Ab | Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks |
| KR100524065B1 (ko) | 2002-12-23 | 2005-10-26 | 삼성전자주식회사 | 시간-주파수 상관성을 이용한 개선된 오디오 부호화및/또는 복호화 방법과 그 장치 |
| US7337108B2 (en) | 2003-09-10 | 2008-02-26 | Microsoft Corporation | System and method for providing high-quality stretching and compression of a digital audio signal |
| CN101556800B (zh) | 2003-10-23 | 2012-05-23 | 松下电器产业株式会社 | 音频频谱编解码方法和装置、声音信号发送和接收装置 |
| JP4254479B2 (ja) | 2003-10-27 | 2009-04-15 | ヤマハ株式会社 | オーディオ帯域拡張再生装置 |
| DE102004046746B4 (de) * | 2004-09-27 | 2007-03-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Synchronisieren von Zusatzdaten und Basisdaten |
| EP1810281B1 (en) | 2004-11-02 | 2020-02-26 | Koninklijke Philips N.V. | Encoding and decoding of audio signals using complex-valued filter banks |
| CN102592604A (zh) * | 2005-01-14 | 2012-07-18 | 松下电器产业株式会社 | 可扩展性解码装置及可扩展性解码方法 |
| KR100933548B1 (ko) * | 2005-04-15 | 2009-12-23 | 돌비 스웨덴 에이비 | 비상관 신호의 시간적 엔벨로프 정형화 |
| JP2007017628A (ja) | 2005-07-06 | 2007-01-25 | Matsushita Electric Ind Co Ltd | 復号化装置 |
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| JP4760278B2 (ja) | 2005-10-04 | 2011-08-31 | 株式会社ケンウッド | 補間装置、オーディオ再生装置、補間方法および補間プログラム |
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| FR2910743B1 (fr) | 2006-12-22 | 2009-02-20 | Thales Sa | Banque de filtres numeriques cascadable, et circuit de reception comportant une telle banque de filtre en cascade. |
| KR20100086000A (ko) | 2007-12-18 | 2010-07-29 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
| CN101471072B (zh) | 2007-12-27 | 2012-01-25 | 华为技术有限公司 | 高频重建方法、编码装置和解码装置 |
| DE102008015702B4 (de) | 2008-01-31 | 2010-03-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Bandbreitenerweiterung eines Audiosignals |
| MX2010009932A (es) | 2008-03-10 | 2010-11-30 | Fraunhofer Ges Forschung | Metodo y dispositivo para manipular una señal de audio que tiene un evento transitorio. |
| US9147902B2 (en) * | 2008-07-04 | 2015-09-29 | Guangdong Institute of Eco-Environmental and Soil Sciences | Microbial fuel cell stack |
| ES2539304T3 (es) | 2008-07-11 | 2015-06-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Un aparato y un método para generar datos de salida por ampliación de ancho de banda |
| KR101239812B1 (ko) | 2008-07-11 | 2013-03-06 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 대역폭 확장 신호를 생성하기 위한 장치 및 방법 |
| RU2443028C2 (ru) * | 2008-07-11 | 2012-02-20 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен | Устройство и способ расчета параметров расширения полосы пропускания посредством управления фреймами наклона спектра |
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| EP2224433B1 (en) * | 2008-09-25 | 2020-05-27 | Lg Electronics Inc. | An apparatus for processing an audio signal and method thereof |
| EP4231291B1 (en) | 2008-12-15 | 2023-11-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio bandwidth extension decoder, corresponding method and computer program |
| EP3246919B1 (en) * | 2009-01-28 | 2020-08-26 | Dolby International AB | Improved harmonic transposition |
| EP2214165A3 (en) | 2009-01-30 | 2010-09-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for manipulating an audio signal comprising a transient event |
| CN103559891B (zh) * | 2009-09-18 | 2016-05-11 | 杜比国际公司 | 改进的谐波转置 |
| US9026236B2 (en) * | 2009-10-21 | 2015-05-05 | Panasonic Intellectual Property Corporation Of America | Audio signal processing apparatus, audio coding apparatus, and audio decoding apparatus |
| ES2805349T3 (es) * | 2009-10-21 | 2021-02-11 | Dolby Int Ab | Sobremuestreo en un banco de filtros de reemisor combinado |
| US8321216B2 (en) | 2010-02-23 | 2012-11-27 | Broadcom Corporation | Time-warping of audio signals for packet loss concealment avoiding audible artifacts |
| 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 |
-
2011
- 2011-03-04 WO PCT/EP2011/053298 patent/WO2011110494A1/en active Application Filing
- 2011-03-04 PT PT117071563T patent/PT2545551T/pt unknown
- 2011-03-04 PL PL11707156T patent/PL2545551T3/pl unknown
- 2011-03-04 JP JP2012556460A patent/JP5854520B2/ja active Active
- 2011-03-04 MX MX2012010314A patent/MX2012010314A/es active IP Right Grant
- 2011-03-04 SG SG2012066536A patent/SG183966A1/en unknown
- 2011-03-04 CA CA2792449A patent/CA2792449C/en active Active
- 2011-03-04 BR BR112012022745-9A patent/BR112012022745B1/pt active IP Right Grant
- 2011-03-04 ES ES11707156.3T patent/ES2655085T3/es active Active
- 2011-03-04 RU RU2012142246/28A patent/RU2596033C2/ru not_active Application Discontinuation
- 2011-03-04 CN CN201180023451.1A patent/CN102985970B/zh active Active
- 2011-03-04 EP EP11707156.3A patent/EP2545551B1/en active Active
- 2011-03-04 MY MYPI2012004004 patent/MY152376A/en unknown
- 2011-03-04 KR KR1020127026336A patent/KR101483157B1/ko active IP Right Grant
- 2011-03-08 TW TW100107717A patent/TWI425501B/zh active
- 2011-03-09 AR ARP110100722A patent/AR080475A1/es active IP Right Grant
-
2012
- 2012-09-05 US US13/604,313 patent/US9318127B2/en active Active
-
2016
- 2016-03-16 US US15/071,569 patent/US9905235B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2792449A1 (en) | 2011-09-15 |
| SG183966A1 (en) | 2012-10-30 |
| AU2011226206B2 (en) | 2013-12-19 |
| JP2013521536A (ja) | 2013-06-10 |
| RU2596033C2 (ru) | 2016-08-27 |
| MY152376A (en) | 2014-09-15 |
| CN102985970B (zh) | 2014-11-05 |
| US20130058498A1 (en) | 2013-03-07 |
| KR101483157B1 (ko) | 2015-01-15 |
| CN102985970A (zh) | 2013-03-20 |
| TW201207844A (en) | 2012-02-16 |
| AU2011226206A1 (en) | 2012-10-18 |
| BR112012022745A2 (pt) | 2018-06-05 |
| MX2012010314A (es) | 2012-09-28 |
| WO2011110494A1 (en) | 2011-09-15 |
| PT2545551T (pt) | 2018-01-03 |
| AR080475A1 (es) | 2012-04-11 |
| JP5854520B2 (ja) | 2016-02-09 |
| EP2545551B1 (en) | 2017-10-04 |
| BR112012022745B1 (pt) | 2020-11-10 |
| US9318127B2 (en) | 2016-04-19 |
| US9905235B2 (en) | 2018-02-27 |
| EP2545551A1 (en) | 2013-01-16 |
| KR20130007598A (ko) | 2013-01-18 |
| CA2792449C (en) | 2017-12-05 |
| RU2012142246A (ru) | 2014-04-20 |
| US20160267917A1 (en) | 2016-09-15 |
| TWI425501B (zh) | 2014-02-01 |
| ES2655085T3 (es) | 2018-02-16 |
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