BR112014021054B1 - Controle de coerência de fase para sinais harmônicos nos codecs de áudio perceptuais - Google Patents
Controle de coerência de fase para sinais harmônicos nos codecs de áudio perceptuais Download PDFInfo
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- BR112014021054B1 BR112014021054B1 BR112014021054-3A BR112014021054A BR112014021054B1 BR 112014021054 B1 BR112014021054 B1 BR 112014021054B1 BR 112014021054 A BR112014021054 A BR 112014021054A BR 112014021054 B1 BR112014021054 B1 BR 112014021054B1
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- 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
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- 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
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- 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
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- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
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- 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
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- 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
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- 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
- G10L19/0212—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 orthogonal transformation
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
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- Audiology, Speech & Language Pathology (AREA)
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- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
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Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261603773P | 2012-02-27 | 2012-02-27 | |
| EP12178265.0 | 2012-07-27 | ||
| EP12178265.0A EP2631906A1 (en) | 2012-02-27 | 2012-07-27 | Phase coherence control for harmonic signals in perceptual audio codecs |
| PCT/EP2013/053831 WO2013127801A1 (en) | 2012-02-27 | 2013-02-26 | Phase coherence control for harmonic signals in perceptual audio codecs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112014021054A2 BR112014021054A2 (pt) | 2021-05-25 |
| BR112014021054B1 true BR112014021054B1 (pt) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112014021054-3A BR112014021054B1 (pt) | 2012-02-27 | 2013-02-26 | Controle de coerência de fase para sinais harmônicos nos codecs de áudio perceptuais |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US10818304B2 (https=) |
| EP (2) | EP2631906A1 (https=) |
| JP (1) | JP5873936B2 (https=) |
| KR (1) | KR101680953B1 (https=) |
| CN (1) | CN104170009B (https=) |
| AU (1) | AU2013225076B2 (https=) |
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| RU (1) | RU2612584C2 (https=) |
| TR (1) | TR201808452T4 (https=) |
| WO (1) | WO2013127801A1 (https=) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| BRPI0718738B1 (pt) | 2006-12-12 | 2023-05-16 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Codificador, decodificador e métodos para codificação e decodificação de segmentos de dados representando uma corrente de dados de domínio de tempo |
| KR20160087827A (ko) * | 2013-11-22 | 2016-07-22 | 퀄컴 인코포레이티드 | 고대역 코딩에서의 선택적 위상 보상 |
| EP2963648A1 (en) | 2014-07-01 | 2016-01-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio processor and method for processing an audio signal using vertical phase correction |
| CA2976864C (en) | 2015-02-26 | 2020-07-14 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for processing an audio signal to obtain a processed audio signal using a target time-domain envelope |
| TWI693594B (zh) * | 2015-03-13 | 2020-05-11 | 瑞典商杜比國際公司 | 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流 |
| WO2016046421A1 (en) * | 2015-11-19 | 2016-03-31 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for voiced speech detection |
| CN106653004B (zh) * | 2016-12-26 | 2019-07-26 | 苏州大学 | 感知语谱规整耳蜗滤波系数的说话人识别特征提取方法 |
| US11771779B2 (en) | 2018-01-26 | 2023-10-03 | Hadasit Medical Research Services & Development Limited | Non-metallic magnetic resonance contrast agent |
| IL313348B2 (en) | 2018-04-25 | 2025-08-01 | Dolby Int Ab | Integration of high frequency reconstruction techniques with reduced post-processing delay |
| KR20250130700A (ko) | 2018-04-25 | 2025-09-02 | 돌비 인터네셔널 에이비 | 고주파 오디오 재구성 기술의 통합 |
| CN110728970B (zh) * | 2019-09-29 | 2022-02-25 | 东莞市中光通信科技有限公司 | 一种数字辅助隔音处理的方法及装置 |
| US12347447B2 (en) | 2019-12-05 | 2025-07-01 | Dolby Laboratories Licensing Corporation | Psychoacoustic model for audio processing |
| CN113990334B (zh) * | 2021-10-28 | 2024-11-01 | 深圳市智创一切科技有限公司 | 用于语音编码的蓝牙音频的传送方法、系统和电子设备 |
| EP4276824A1 (en) | 2022-05-13 | 2023-11-15 | Alta Voce | Method for modifying an audio signal without phasiness |
| CN116486835B (zh) * | 2023-05-31 | 2025-09-02 | 平安科技（深圳）有限公司 | 合成语音检测方法和系统、计算机设备、存储介质 |
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| US5054072A (en) * | 1987-04-02 | 1991-10-01 | Massachusetts Institute Of Technology | Coding of acoustic waveforms |
| RU2009585C1 (ru) * | 1991-06-19 | 1994-03-15 | Евгений Николаевич Пестов | Способ ударного возбуждения фазовой когерентности одновременно по крайней мере в двух квантовых системах |
| FR2692091B1 (fr) * | 1992-06-03 | 1995-04-14 | France Telecom | Procédé et dispositif de dissimulation d'erreurs de transmission de signaux audio-numériques codés par transformée fréquentielle. |
| US6766300B1 (en) * | 1996-11-07 | 2004-07-20 | Creative Technology Ltd. | Method and apparatus for transient detection and non-distortion time scaling |
| JPH11251918A (ja) * | 1998-03-03 | 1999-09-17 | Takayoshi Hirata | 音声信号波形符号化伝送方式 |
| US6397175B1 (en) * | 1999-07-19 | 2002-05-28 | Qualcomm Incorporated | Method and apparatus for subsampling phase spectrum information |
| US6549884B1 (en) * | 1999-09-21 | 2003-04-15 | Creative Technology Ltd. | Phase-vocoder pitch-shifting |
| KR100348790B1 (ko) * | 1999-12-21 | 2002-08-17 | 엘지전자주식회사 | 큐에이엠 수신기 |
| US7006636B2 (en) * | 2002-05-24 | 2006-02-28 | Agere Systems Inc. | Coherence-based audio coding and synthesis |
| US20030187663A1 (en) * | 2002-03-28 | 2003-10-02 | Truman Michael Mead | Broadband frequency translation for high frequency regeneration |
| 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 |
| CN1231889C (zh) * | 2002-11-19 | 2005-12-14 | 华为技术有限公司 | 多通道声码器的语音处理方法 |
| SE527669C2 (sv) * | 2003-12-19 | 2006-05-09 | Ericsson Telefon Ab L M | Förbättrad felmaskering i frekvensdomänen |
| SE0303498D0 (sv) * | 2003-12-19 | 2003-12-19 | Ericsson Telefon Ab L M | Spectral loss conccalment in transform codecs |
| JP4513556B2 (ja) * | 2003-12-25 | 2010-07-28 | カシオ計算機株式会社 | 音声分析合成装置、及びプログラム |
| WO2006003550A1 (en) * | 2004-06-28 | 2006-01-12 | Koninklijke Philips Electronics N.V. | Wireless audio |
| JP4734961B2 (ja) * | 2005-02-28 | 2011-07-27 | カシオ計算機株式会社 | 音響効果付与装置、及びプログラム |
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| US7546237B2 (en) * | 2005-12-23 | 2009-06-09 | Qnx Software Systems (Wavemakers), Inc. | Bandwidth extension of narrowband speech |
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| EP1918911A1 (en) * | 2006-11-02 | 2008-05-07 | RWTH Aachen University | Time scale modification of an audio signal |
| KR101453732B1 (ko) * | 2007-04-16 | 2014-10-24 | 삼성전자주식회사 | 스테레오 신호 및 멀티 채널 신호 부호화 및 복호화 방법및 장치 |
| KR101230479B1 (ko) * | 2008-03-10 | 2013-02-06 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 트랜지언트 이벤트를 갖는 오디오 신호를 조작하기 위한 장치 및 방법 |
| EP2237266A1 (en) * | 2009-04-03 | 2010-10-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for determining a plurality of local center of gravity frequencies of a spectrum of an audio signal |
| WO2011039668A1 (en) * | 2009-09-29 | 2011-04-07 | Koninklijke Philips Electronics N.V. | Apparatus for mixing a digital audio |
| EP2704143B1 (en) * | 2009-10-21 | 2015-01-07 | Panasonic Intellectual Property Corporation of America | Apparatus, method and computer program for audio signal processing |
| EP2545551B1 (en) * | 2010-03-09 | 2017-10-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Improved magnitude response and temporal alignment in phase vocoder based bandwidth extension for audio signals |
| JP6037156B2 (ja) * | 2011-08-24 | 2016-11-30 | ソニー株式会社 | 符号化装置および方法、並びにプログラム |
| FR3008533A1 (fr) * | 2013-07-12 | 2015-01-16 | Orange | Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences |
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Also Published As
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|---|---|
| KR20140130225A (ko) | 2014-11-07 |
| IN2014KN01766A (https=) | 2015-10-23 |
| WO2013127801A1 (en) | 2013-09-06 |
| JP2015508911A (ja) | 2015-03-23 |
| CN104170009B (zh) | 2017-02-22 |
| EP2631906A1 (en) | 2013-08-28 |
| CA2865651C (en) | 2017-05-02 |
| JP5873936B2 (ja) | 2016-03-01 |
| MX2014010098A (es) | 2014-09-16 |
| KR101680953B1 (ko) | 2016-12-12 |
| RU2612584C2 (ru) | 2017-03-09 |
| EP2820647B1 (en) | 2018-03-21 |
| ES2673319T3 (es) | 2018-06-21 |
| EP2820647A1 (en) | 2015-01-07 |
| US10818304B2 (en) | 2020-10-27 |
| CA2865651A1 (en) | 2013-09-06 |
| TR201808452T4 (tr) | 2018-07-23 |
| MX338526B (es) | 2016-04-20 |
| BR112014021054A2 (pt) | 2021-05-25 |
| CN104170009A (zh) | 2014-11-26 |
| AU2013225076B2 (en) | 2016-04-21 |
| AU2013225076A1 (en) | 2014-09-04 |
| RU2014138820A (ru) | 2016-04-20 |
| US20140372131A1 (en) | 2014-12-18 |
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Free format text: PERDA DA PRIORIDADE US 61/603,773 REIVINDICADA NO PCT/EP2013/053831, CONFORME AS DISPOSICOES PREVISTAS NA LEI 9.279 DE 14/05/1996 (LPI) ART. 16 7O E ART 2O DA RESOLUCAO INPI 179 DE 21/02/2017. ESTA PERDA SE DEU PELO FATO DE O DEPOSITANTE CONSTANTE DA PETICAO DE REQUERIMENTO DO PEDIDO PCT SER DISTINTO DAQUELES QUE DEPOSITARAM A PRIORIDADE REIVINDICADA E NAO APRESENTOU DOCUMENTO COMPROBATORIO DE CESSAO DENTRO DO PRAZO DE 60 DIAS A CONTAR DA DATA DA ENTRADA DA FASE NACIONAL, CONFORME AS DISPOSICOES PREVISTAS NA LEI 9.279 DE 14/05/1996 (LPI) ART. 16 6O, E NO ART. 28 DA RESOLUCAO INPI-PR 77/2013. |
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| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
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Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 26/02/2013, OBSERVADAS AS CONDICOES LEGAIS. |