HK1165602A1 - Apparatus and method for determining a plurality of local center of gravity frequencies of a spectrum of an audio signal - Google Patents

Apparatus and method for determining a plurality of local center of gravity frequencies of a spectrum of an audio signal

Info

Publication number
HK1165602A1
HK1165602A1 HK12106223.2A HK12106223A HK1165602A1 HK 1165602 A1 HK1165602 A1 HK 1165602A1 HK 12106223 A HK12106223 A HK 12106223A HK 1165602 A1 HK1165602 A1 HK 1165602A1
Authority
HK
Hong Kong
Prior art keywords
frequencies
iteration
spectrum
frequency
audio signal
Prior art date
Application number
HK12106223.2A
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 HK1165602A1 publication Critical patent/HK1165602A1/xx

Links

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)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (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)
HK12106223.2A 2009-04-03 2012-06-26 Apparatus and method for determining a plurality of local center of gravity frequencies of a spectrum of an audio signal HK1165602A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16656209P 2009-04-03 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
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 (1)

Publication Number Publication Date
HK1165602A1 true HK1165602A1 (en) 2012-10-05

Family

ID=41328588

Family Applications (1)

Application Number Title Priority Date Filing Date
HK12106223.2A HK1165602A1 (en) 2009-04-03 2012-06-26 Apparatus and method for determining a plurality of local center of gravity frequencies of a spectrum of an audio signal

Country Status (12)

Country Link
US (1) US8996363B2 (ja)
EP (2) EP2237266A1 (ja)
JP (1) JP5283757B2 (ja)
KR (1) KR101264486B1 (ja)
CN (1) CN102027533B (ja)
AU (1) AU2010219353B2 (ja)
BR (1) BRPI1001241B1 (ja)
CA (1) CA2721402C (ja)
HK (1) HK1165602A1 (ja)
MX (1) MX2010011863A (ja)
RU (1) RU2490729C2 (ja)
WO (1) WO2010112348A1 (ja)

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* Cited by examiner, † Cited by third party
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KR101701759B1 (ko) * 2009-09-18 2017-02-03 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
CN113544774B (zh) * 2019-03-06 2024-08-20 弗劳恩霍夫应用研究促进协会 降混器及降混方法
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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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
AU7711498A (en) * 1997-06-02 1998-12-21 Joseph A. Izatt Doppler flow imaging using optical coherence tomography
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 STRAIN ESTIMATORS WITH POWER SPECTRAS 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
TWI330355B (en) * 2005-12-05 2010-09-11 Qualcomm Inc Systems, methods, and apparatus for detection of tonal components
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
RU2010136359A (ru) 2012-03-10
BRPI1001241B1 (pt) 2021-02-23
CA2721402C (en) 2014-08-26
JP2012507055A (ja) 2012-03-22
AU2010219353B2 (en) 2011-10-06
RU2490729C2 (ru) 2013-08-20
CN102027533B (zh) 2012-11-07
US8996363B2 (en) 2015-03-31
WO2010112348A1 (en) 2010-10-07
BRPI1001241A2 (pt) 2017-06-13
US20120008799A1 (en) 2012-01-12
MX2010011863A (es) 2010-11-30
EP2401740B1 (en) 2013-01-16
AU2010219353A1 (en) 2010-10-21
CA2721402A1 (en) 2010-10-07
EP2237266A1 (en) 2010-10-06
CN102027533A (zh) 2011-04-20
JP5283757B2 (ja) 2013-09-04
KR20110002089A (ko) 2011-01-06
KR101264486B1 (ko) 2013-05-15
EP2401740A1 (en) 2012-01-04

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