BRPI1001241A2 - "equipamento e método para a determinação de diversas frequências de centro de gravidade local de um espectro de um sinal de áudio" - Google Patents
"equipamento e método para a determinação de diversas frequências de centro de gravidade local de um espectro de um sinal de áudio"Info
- Publication number
- BRPI1001241A2 BRPI1001241A2 BRPI1001241A BRPI1001241A BRPI1001241A2 BR PI1001241 A2 BRPI1001241 A2 BR PI1001241A2 BR PI1001241 A BRPI1001241 A BR PI1001241A BR PI1001241 A BRPI1001241 A BR PI1001241A BR PI1001241 A2 BRPI1001241 A2 BR PI1001241A2
- Authority
- BR
- Brazil
- Prior art keywords
- determining
- equipment
- audio signal
- signal spectrum
- various local
- Prior art date
Links
- 230000005484 gravity Effects 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 230000005236 sound signal Effects 0.000 title 1
- 238000001228 spectrum Methods 0.000 title 1
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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/90—Pitch determination of speech signals
-
- 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
- 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
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Auxiliary Devices For Music (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Stereophonic System (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Transmitters (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16656209P | 2009-04-03 | 2009-04-03 | |
| US61/166,562 | 2009-04-03 | ||
| EP09011091A EP2237266A1 (en) | 2009-04-03 | 2009-08-28 | Apparatus and method for determining a plurality of local center of gravity frequencies of a spectrum of an audio signal |
| EP09011091.7 | 2009-08-28 | ||
| PCT/EP2010/053574 WO2010112348A1 (en) | 2009-04-03 | 2010-03-18 | Apparatus and method for determining a plurality of local center of gravity frequencies of a spectrum of an audio signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI1001241A2 true BRPI1001241A2 (pt) | 2017-06-13 |
| BRPI1001241B1 BRPI1001241B1 (pt) | 2021-02-23 |
Family
ID=41328588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI1001241-9A BRPI1001241B1 (pt) | 2009-04-03 | 2010-03-18 | Equipamento e método para a determinação de diversos centros degravidade local das frequências de um espectro de um sinal de áudio |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US8996363B2 (pt) |
| EP (2) | EP2237266A1 (pt) |
| JP (1) | JP5283757B2 (pt) |
| KR (1) | KR101264486B1 (pt) |
| CN (1) | CN102027533B (pt) |
| AU (1) | AU2010219353B2 (pt) |
| BR (1) | BRPI1001241B1 (pt) |
| CA (1) | CA2721402C (pt) |
| HK (1) | HK1165602A1 (pt) |
| MX (1) | MX2010011863A (pt) |
| RU (1) | RU2490729C2 (pt) |
| WO (1) | WO2010112348A1 (pt) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101697497B1 (ko) | 2009-09-18 | 2017-01-18 | 돌비 인터네셔널 에이비 | 입력 신호를 전위시키기 위한 시스템 및 방법, 및 상기 방법을 수행하기 위한 컴퓨터 프로그램이 기록된 컴퓨터 판독가능 저장 매체 |
| FR2956743B1 (fr) * | 2010-02-25 | 2012-10-05 | Inst Francais Du Petrole | Procede non intrusif de determination de l'impedance electrique d'une batterie |
| FR2961938B1 (fr) * | 2010-06-25 | 2013-03-01 | Inst Nat Rech Inf Automat | Synthetiseur numerique audio ameliore |
| US8855322B2 (en) * | 2011-01-12 | 2014-10-07 | Qualcomm Incorporated | Loudness maximization with constrained loudspeaker excursion |
| GB2488768A (en) * | 2011-03-07 | 2012-09-12 | Rhodia Operations | Treatment of hydrocarbon-containing systems |
| 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 |
| EP2720222A1 (en) * | 2012-10-10 | 2014-04-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for efficient synthesis of sinusoids and sweeps by employing spectral patterns |
| EP3171362B1 (en) * | 2015-11-19 | 2019-08-28 | Harman Becker Automotive Systems GmbH | Bass enhancement and separation of an audio signal into a harmonic and transient signal component |
| CN109427345B (zh) * | 2017-08-29 | 2022-12-02 | 杭州海康威视数字技术股份有限公司 | 一种风噪检测方法、装置及系统 |
| JP2019106575A (ja) * | 2017-12-08 | 2019-06-27 | ルネサスエレクトロニクス株式会社 | 無線受信機、及び中間周波数信号生成方法 |
| KR102277952B1 (ko) * | 2019-01-11 | 2021-07-19 | 브레인소프트주식회사 | 디제이 변환에 의한 주파수 추출 방법 |
| WO2020178321A1 (en) * | 2019-03-06 | 2020-09-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downmixer and method of downmixing |
| CN112666547B (zh) * | 2020-12-11 | 2024-03-19 | 北京理工大学 | 一种无线电多普勒信号频率提取和脱靶量测量方法 |
| CN114236231A (zh) * | 2021-12-08 | 2022-03-25 | 湖南艾科诺维科技有限公司 | 一种载波频率估计方法、系统及介质 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5633499A (en) * | 1995-11-21 | 1997-05-27 | Trionix Research Laboratory, Inc. | Scatter elimination technique and apparatus in radionuclide emission and transmission imaging in a nuclear camera |
| JP4138027B2 (ja) * | 1997-06-02 | 2008-08-20 | イザット，ジョーゼフ，エイ． | 光学コヒーレンス断層撮影法を用いたドップラー流の撮像 |
| RU2174714C2 (ru) | 1998-05-12 | 2001-10-10 | Научно-технический центр "Вычислительная техника" | Способ выделения основного тона |
| WO2001071366A2 (en) * | 2000-03-17 | 2001-09-27 | The Board Of Regents Of The University Of Texas System | Power spectral strain estimators in elastography |
| JP2004334160A (ja) * | 2002-09-24 | 2004-11-25 | Matsushita Electric Ind Co Ltd | 特徴量抽出装置 |
| EP1403783A3 (en) | 2002-09-24 | 2005-01-19 | Matsushita Electric Industrial Co., Ltd. | Audio signal feature extraction |
| ES2347473T3 (es) * | 2005-12-05 | 2010-10-29 | Qualcomm Incorporated | Procedimiento y aparato de deteccion de componentes tonales de señales de audio. |
| KR100653643B1 (ko) | 2006-01-26 | 2006-12-05 | 삼성전자주식회사 | 하모닉과 비하모닉의 비율을 이용한 피치 검출 방법 및피치 검출 장치 |
-
2009
- 2009-08-28 EP EP09011091A patent/EP2237266A1/en not_active Withdrawn
-
2010
- 2010-03-18 MX MX2010011863A patent/MX2010011863A/es active IP Right Grant
- 2010-03-18 WO PCT/EP2010/053574 patent/WO2010112348A1/en active Application Filing
- 2010-03-18 US US12/992,054 patent/US8996363B2/en active Active
- 2010-03-18 EP EP10709228A patent/EP2401740B1/en active Active
- 2010-03-18 CA CA2721402A patent/CA2721402C/en active Active
- 2010-03-18 JP JP2011533774A patent/JP5283757B2/ja active Active
- 2010-03-18 KR KR1020107025151A patent/KR101264486B1/ko active IP Right Grant
- 2010-03-18 CN CN2010800015238A patent/CN102027533B/zh active Active
- 2010-03-18 AU AU2010219353A patent/AU2010219353B2/en active Active
- 2010-03-18 BR BRPI1001241-9A patent/BRPI1001241B1/pt active IP Right Grant
- 2010-03-18 RU RU2010136359/08A patent/RU2490729C2/ru active
-
2012
- 2012-06-26 HK HK12106223.2A patent/HK1165602A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US8996363B2 (en) | 2015-03-31 |
| HK1165602A1 (en) | 2012-10-05 |
| KR20110002089A (ko) | 2011-01-06 |
| WO2010112348A1 (en) | 2010-10-07 |
| EP2401740A1 (en) | 2012-01-04 |
| BRPI1001241B1 (pt) | 2021-02-23 |
| US20120008799A1 (en) | 2012-01-12 |
| EP2401740B1 (en) | 2013-01-16 |
| EP2237266A1 (en) | 2010-10-06 |
| CA2721402C (en) | 2014-08-26 |
| AU2010219353A1 (en) | 2010-10-21 |
| AU2010219353B2 (en) | 2011-10-06 |
| MX2010011863A (es) | 2010-11-30 |
| CN102027533A (zh) | 2011-04-20 |
| CN102027533B (zh) | 2012-11-07 |
| KR101264486B1 (ko) | 2013-05-15 |
| JP2012507055A (ja) | 2012-03-22 |
| CA2721402A1 (en) | 2010-10-07 |
| JP5283757B2 (ja) | 2013-09-04 |
| RU2010136359A (ru) | 2012-03-10 |
| RU2490729C2 (ru) | 2013-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06F | Objections, documents and/or translations needed after an examination request according art. 34 industrial property law | ||
| B06U | Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure | ||
| B06A | Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law | ||
| B15K | Others concerning applications: alteration of classification |
Free format text: AS CLASSIFICACOES ANTERIORES ERAM: G10L 11/00 , G10L 11/04 , G10L 19/02 Ipc: G10L 19/02 (2013.01), G10L 25/48 (2013.01), G10L 2 |
|
| B06A | Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law | ||
| B09A | Decision: intention to grant | ||
| B16A | Patent or certificate of addition of invention granted |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 23/02/2021, OBSERVADAS AS CONDICOES LEGAIS. |