HK1226169A1 - 分析音頻數據 - Google Patents

分析音頻數據

Info

Publication number
HK1226169A1
HK1226169A1 HK16114493A HK16114493A HK1226169A1 HK 1226169 A1 HK1226169 A1 HK 1226169A1 HK 16114493 A HK16114493 A HK 16114493A HK 16114493 A HK16114493 A HK 16114493A HK 1226169 A1 HK1226169 A1 HK 1226169A1
Authority
HK
Hong Kong
Prior art keywords
audio data
analysing audio
analysing
data
audio
Prior art date
Application number
HK16114493A
Other languages
English (en)
Inventor
Johannes Eronen Antti
Juhani Lehtiniemi Arto
Artturi Leppänen Jussi
Saari Pasi
Original Assignee
Nokia Technologies Oy
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 Nokia Technologies Oy filed Critical Nokia Technologies Oy
Publication of HK1226169A1 publication Critical patent/HK1226169A1/zh

Links

Classifications

    • 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
    • G10H1/0008—Associated control or indicating means
    • 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
    • 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
    • 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
    • G10H2210/036—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 of musical genre, i.e. analysing the style of musical pieces, usually for selection, filtering or classification
    • 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
    • G10H2210/041—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 based on mfcc [mel -frequency spectral coefficients]
    • 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
    • G10H2240/00—Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
    • G10H2240/075—Musical metadata derived from musical analysis or for use in electrophonic musical instruments
    • G10H2240/081—Genre classification, i.e. descriptive metadata for classification or selection of musical pieces according to style
    • 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
    • G10H2240/00—Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
    • G10H2240/121—Musical libraries, i.e. musical databases indexed by musical parameters, wavetables, indexing schemes using musical parameters, musical rule bases or knowledge bases, e.g. for automatic composing methods
    • G10H2240/131—Library retrieval, i.e. searching a database or selecting a specific musical piece, segment, pattern, rule or parameter set
    • G10H2240/135—Library retrieval index, i.e. using an indexing scheme to efficiently retrieve a music piece
    • 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
    • G10H2250/281—Hamming window

Landscapes

  • Engineering & Computer Science (AREA)
  • Library & Information Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Auxiliary Devices For Music (AREA)
HK16114493A 2014-12-22 2016-12-21 分析音頻數據 HK1226169A1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI2014/051036 WO2016102737A1 (en) 2014-12-22 2014-12-22 Tagging audio data

Publications (1)

Publication Number Publication Date
HK1226169A1 true HK1226169A1 (zh) 2017-09-22

Family

ID=52876338

Family Applications (1)

Application Number Title Priority Date Filing Date
HK16114493A HK1226169A1 (zh) 2014-12-22 2016-12-21 分析音頻數據

Country Status (3)

Country Link
GB (1) GB2533654A (zh)
HK (1) HK1226169A1 (zh)
WO (1) WO2016102737A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3209033B1 (en) 2016-02-19 2019-12-11 Nokia Technologies Oy Controlling audio rendering
US10002596B2 (en) 2016-06-30 2018-06-19 Nokia Technologies Oy Intelligent crossfade with separated instrument tracks
US10014841B2 (en) 2016-09-19 2018-07-03 Nokia Technologies Oy Method and apparatus for controlling audio playback based upon the instrument
US10349196B2 (en) 2016-10-03 2019-07-09 Nokia Technologies Oy Method of editing audio signals using separated objects and associated apparatus
EP3319341A1 (en) 2016-11-03 2018-05-09 Nokia Technologies OY Audio processing
WO2018199997A1 (en) 2017-04-28 2018-11-01 Hewlett-Packard Development Company, L.P. Audio classifcation with machine learning model using audio duration
US11328010B2 (en) 2017-05-25 2022-05-10 Microsoft Technology Licensing, Llc Song similarity determination
CN109190879B (zh) 2018-07-18 2020-08-11 阿里巴巴集团控股有限公司 一种训练改编水平评价模型、评价改编水平的方法及装置
CN111428078B (zh) * 2020-03-20 2023-05-23 腾讯科技（深圳）有限公司 音频指纹编码方法、装置、计算机设备及存储介质
CN117295004B (zh) * 2023-11-22 2024-02-09 苏州灵境影音技术有限公司 一种转换多声道环绕声的方法、装置及音响系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020002899A1 (en) * 2000-03-22 2002-01-10 Gjerdingen Robert O. System for content based music searching
JP5112300B2 (ja) * 2005-06-01 2013-01-09 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ コンテンツ項目の特性を決定する方法および電子装置
KR100717387B1 (ko) * 2006-01-26 2007-05-11 삼성전자주식회사 유사곡 검색 방법 및 그 장치
JP2008170991A (ja) * 2007-12-27 2008-07-24 Sony Corp 情報処理装置及び情報処理方法

Also Published As

Publication number Publication date
GB2533654A (en) 2016-06-29
GB201503467D0 (en) 2015-04-15
WO2016102737A1 (en) 2016-06-30

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