BR112018068852A2 - aparelho e método para separação sonora harmônico-percussiva-residual usando um tensor de estrutura em espectrogramas - Google Patents

aparelho e método para separação sonora harmônico-percussiva-residual usando um tensor de estrutura em espectrogramas

Info

Publication number
BR112018068852A2
BR112018068852A2 BR112018068852A BR112018068852A BR112018068852A2 BR 112018068852 A2 BR112018068852 A2 BR 112018068852A2 BR 112018068852 A BR112018068852 A BR 112018068852A BR 112018068852 A BR112018068852 A BR 112018068852A BR 112018068852 A2 BR112018068852 A2 BR 112018068852A2
Authority
BR
Brazil
Prior art keywords
frequency
time
spectrogram
percussive
harmonic
Prior art date
Application number
BR112018068852A
Other languages
English (en)
Inventor
Sascha Disch
Jonathan Driedger
Richard Füg
Meinard Müller
Andreas Niedermeier
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 BR112018068852A2 publication Critical patent/BR112018068852A2/pt

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
    • G06F16/68—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G06F16/683—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/16—Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/36—Accompaniment arrangements
    • G10H1/40—Rhythm
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/031—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/025—Envelope processing of music signals in, e.g. time domain, transform domain or cepstrum domain
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/025—Envelope processing of music signals in, e.g. time domain, transform domain or cepstrum domain
    • G10H2250/031—Spectrum envelope processing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/131—Mathematical functions for musical analysis, processing, synthesis or composition
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/131—Mathematical functions for musical analysis, processing, synthesis or composition
    • G10H2250/215—Transforms, i.e. mathematical transforms into domains appropriate for musical signal processing, coding or compression
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/131—Mathematical functions for musical analysis, processing, synthesis or composition
    • G10H2250/215—Transforms, i.e. mathematical transforms into domains appropriate for musical signal processing, coding or compression
    • G10H2250/221—Cosine transform; DCT [discrete cosine transform], e.g. for use in lossy audio compression such as MP3
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/131—Mathematical functions for musical analysis, processing, synthesis or composition
    • G10H2250/215—Transforms, i.e. mathematical transforms into domains appropriate for musical signal processing, coding or compression
    • G10H2250/235—Fourier transform; Discrete Fourier Transform [DFT]; Fast Fourier Transform [FFT]
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/131—Mathematical functions for musical analysis, processing, synthesis or composition
    • G10H2250/261—Window, i.e. apodization function or tapering function amounting to the selection and appropriate weighting of a group of samples in a digital signal within some chosen time interval, outside of which it is zero valued

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Physics (AREA)
  • Acoustics & Sound (AREA)
  • Library & Information Science (AREA)
  • Databases & Information Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • Algebra (AREA)
  • Software Systems (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Auxiliary Devices For Music (AREA)

Abstract

é fornecido um aparelho para analisar um espectrograma de magnitude de um sinal de áudio. o aparelho compreende um determinador de mudança de frequência (110), sendo configurado para determinar uma alteração de frequência para cada posição de tempo-frequência dentre uma pluralidade de posições de tempo-frequência do espectrograma de magnitude do sinal de áudio, dependendo do espectrograma de magnitude do sinal de áudio. além disso, o aparelho compreende um classificador (120), sendo configurado para atribuir cada posição de tempo-frequência da pluralidade de posições de tempo-frequência a um dependente do tempo a um grupo de componentes de sinal de dois ou mais grupos de componentes de sinal, dependendo da alteração da frequência determinada para a referida posição de tempo-frequência.
BR112018068852A 2016-03-18 2017-03-16 aparelho e método para separação sonora harmônico-percussiva-residual usando um tensor de estrutura em espectrogramas BR112018068852A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16161251.0A EP3220386A1 (en) 2016-03-18 2016-03-18 Apparatus and method for harmonic-percussive-residual sound separation using a structure tensor on spectrograms
PCT/EP2017/056257 WO2017158102A1 (en) 2016-03-18 2017-03-16 Apparatus and method for harmonic-percussive-residual sound separation using a structure tensor on spectrograms

Publications (1)

Publication Number Publication Date
BR112018068852A2 true BR112018068852A2 (pt) 2019-01-22

Family

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BR112018068852A BR112018068852A2 (pt) 2016-03-18 2017-03-16 aparelho e método para separação sonora harmônico-percussiva-residual usando um tensor de estrutura em espectrogramas

Country Status (11)

Country Link
US (1) US10770051B2 (pt)
EP (2) EP3220386A1 (pt)
JP (1) JP6800995B2 (pt)
KR (1) KR102250624B1 (pt)
CN (1) CN109247030B (pt)
BR (1) BR112018068852A2 (pt)
CA (1) CA3017558C (pt)
ES (1) ES2788682T3 (pt)
MX (1) MX2018011104A (pt)
RU (1) RU2712652C1 (pt)
WO (1) WO2017158102A1 (pt)

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CN109658951B (zh) * 2019-01-08 2021-03-26 北京雷石天地电子技术有限公司 混合信号检测方法及系统
TWI783215B (zh) * 2020-03-05 2022-11-11 緯創資通股份有限公司 信號處理系統及其信號降噪的判定方法與信號補償方法
CN112150386B (zh) * 2020-09-29 2023-03-21 西安工程大学 基于对比度均值的sar图像相干斑非局部平均抑制方法
CN113203992A (zh) * 2021-04-29 2021-08-03 电子科技大学 一种多基sar的抗欺骗性干扰方法
KR102475219B1 (ko) * 2022-09-21 2022-12-07 국방과학연구소 비디오 형태의 데이터 증강에 기반한 합성 개구면 레이다의 표적 분류 장치, 방법, 컴퓨터 판독 가능한 기록 매체 및 컴퓨터 프로그램

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JPS638698A (ja) * 1986-06-27 1988-01-14 松下電器産業株式会社 リズム表示装置
US5845241A (en) * 1996-09-04 1998-12-01 Hughes Electronics Corporation High-accuracy, low-distortion time-frequency analysis of signals using rotated-window spectrograms
DE10313875B3 (de) * 2003-03-21 2004-10-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Analysieren eines Informationssignals
DE102004049517B4 (de) * 2004-10-11 2009-07-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Extraktion einer einem Audiosignal zu Grunde liegenden Melodie
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JP5294300B2 (ja) * 2008-03-05 2013-09-18 国立大学法人 東京大学 音信号の分離方法
JP2010054802A (ja) * 2008-08-28 2010-03-11 Univ Of Tokyo 音楽音響信号からの単位リズムパターン抽出法、該方法を用いた楽曲構造の推定法、及び、音楽音響信号中の打楽器パターンの置換法
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WO2013038459A1 (ja) * 2011-09-16 2013-03-21 パイオニア株式会社 音声処理装置、再生装置、音声処理方法およびプログラム
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EP2747451A1 (en) * 2012-12-21 2014-06-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Filter and method for informed spatial filtering using multiple instantaneous direction-of-arrivial estimates
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Also Published As

Publication number Publication date
EP3430612A1 (en) 2019-01-23
JP6800995B2 (ja) 2020-12-16
CA3017558A1 (en) 2017-09-21
KR20180121995A (ko) 2018-11-09
US20190012999A1 (en) 2019-01-10
CA3017558C (en) 2021-03-16
MX2018011104A (es) 2019-01-10
KR102250624B1 (ko) 2021-05-12
EP3430612B1 (en) 2020-03-25
US10770051B2 (en) 2020-09-08
RU2712652C1 (ru) 2020-01-30
CN109247030B (zh) 2023-03-10
CN109247030A (zh) 2019-01-18
EP3220386A1 (en) 2017-09-20
WO2017158102A1 (en) 2017-09-21
ES2788682T3 (es) 2020-10-22
JP2019515323A (ja) 2019-06-06

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