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
Application number
BRPI1001241A
Other languages
English (en)
Inventor
Sascha Disch
Harald Popp
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of BRPI1001241A2 publication Critical patent/BRPI1001241A2/pt
Publication of BRPI1001241B1 publication Critical patent/BRPI1001241B1/pt

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90Pitch determination of speech signals
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18Speech 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)
  • Transmitters (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
BRPI1001241-9A 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 BRPI1001241B1 (pt)

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 (11)

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)
MX (1) MX2010011863A (pt)
RU (1) RU2490729C2 (pt)
WO (1) WO2010112348A1 (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101405022B1 (ko) * 2009-09-18 2014-06-10 돌비 인터네셔널 에이비 입력 신호를 전위시키기 위한 시스템 및 방법, 상기 방법을 수행하는 소프트웨어 프로그램 및 컴퓨터 프로그램 제품을 포함하는 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
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
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
MX2021010570A (es) 2019-03-06 2021-10-13 Fraunhofer Ges Forschung Mezcladora para reducir el numero de canales de audio y metodo de mezclado para reducir el numero de canales de audio.
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
CN114236231B (zh) * 2021-12-08 2024-08-09 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
US20250193632A1 (en) * 2023-12-06 2025-06-12 Eventide Inc. Filterbank Pitchshifter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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
DE69840791D1 (de) * 1997-06-02 2009-06-10 Joseph A Izatt Doppler-abbildung einer strömung mittels optischer kohaerenztomografie
RU2174714C2 (ru) 1998-05-12 2001-10-10 Научно-технический центр "Вычислительная техника" Способ выделения основного тона
EP1263326A4 (en) * 2000-03-17 2004-09-01 Univ Texas LOAD ASSESSMENT DEVICES USING THE RANGE OF SERVICES IN ELASTOGRAPHY
EP1403783A3 (en) 2002-09-24 2005-01-19 Matsushita Electric Industrial Co., Ltd. Audio signal feature extraction
JP2004334160A (ja) 2002-09-24 2004-11-25 Matsushita Electric Ind Co Ltd 特徴量抽出装置
US8219392B2 (en) * 2005-12-05 2012-07-10 Qualcomm Incorporated Systems, methods, and apparatus for detection of tonal components employing a coding operation with monotone function
KR100653643B1 (ko) 2006-01-26 2006-12-05 삼성전자주식회사 하모닉과 비하모닉의 비율을 이용한 피치 검출 방법 및피치 검출 장치

Also Published As

Publication number Publication date
US20120008799A1 (en) 2012-01-12
BRPI1001241B1 (pt) 2021-02-23
RU2490729C2 (ru) 2013-08-20
CA2721402A1 (en) 2010-10-07
EP2401740B1 (en) 2013-01-16
CA2721402C (en) 2014-08-26
AU2010219353B2 (en) 2011-10-06
WO2010112348A1 (en) 2010-10-07
EP2237266A1 (en) 2010-10-06
HK1165602A1 (en) 2012-10-05
MX2010011863A (es) 2010-11-30
CN102027533A (zh) 2011-04-20
JP5283757B2 (ja) 2013-09-04
AU2010219353A1 (en) 2010-10-21
US8996363B2 (en) 2015-03-31
KR101264486B1 (ko) 2013-05-15
EP2401740A1 (en) 2012-01-04
RU2010136359A (ru) 2012-03-10
JP2012507055A (ja) 2012-03-22
CN102027533B (zh) 2012-11-07
KR20110002089A (ko) 2011-01-06

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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.