JP4949687B2 - ビート抽出装置及びビート抽出方法 - Google Patents

ビート抽出装置及びビート抽出方法 Download PDF

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Publication number
JP4949687B2
JP4949687B2 JP2006016801A JP2006016801A JP4949687B2 JP 4949687 B2 JP4949687 B2 JP 4949687B2 JP 2006016801 A JP2006016801 A JP 2006016801A JP 2006016801 A JP2006016801 A JP 2006016801A JP 4949687 B2 JP4949687 B2 JP 4949687B2
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JP
Japan
Prior art keywords
beat
music
position information
extraction
power spectrum
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
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JP2006016801A
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English (en)
Japanese (ja)
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JP2007199306A5 (https=
JP2007199306A (ja
Inventor
功誠 山下
靖 宮島
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Sony Corp
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Sony Corp
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Priority to JP2006016801A priority Critical patent/JP4949687B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Priority to KR1020087016468A priority patent/KR101363534B1/ko
Priority to PCT/JP2007/051073 priority patent/WO2007086417A1/ja
Priority to US12/161,882 priority patent/US8076566B2/en
Priority to EP07707320A priority patent/EP1978508A1/en
Priority to CN2007800035136A priority patent/CN101375327B/zh
Publication of JP2007199306A publication Critical patent/JP2007199306A/ja
Publication of JP2007199306A5 publication Critical patent/JP2007199306A5/ja
Application granted granted Critical
Publication of JP4949687B2 publication Critical patent/JP4949687B2/ja
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Expired - Fee Related legal-status Critical Current

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    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10G—REPRESENTATION OF MUSIC; RECORDING MUSIC IN NOTATION FORM; ACCESSORIES FOR MUSIC OR MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR, e.g. SUPPORTS
    • G10G3/00—Recording music in notation form, e.g. recording the mechanical operation of a musical instrument
    • G10G3/04—Recording music in notation form, e.g. recording the mechanical operation of a musical instrument using electrical means
    • 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
    • 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
    • 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
    • G10H2210/076—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 for extraction of timing, tempo; Beat detection
    • 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
    • G10H2240/011—Files or data streams containing coded musical information, e.g. for transmission
    • G10H2240/046—File format, i.e. specific or non-standard musical file format used in or adapted for electrophonic musical instruments, e.g. in wavetables
    • G10H2240/071—Wave, i.e. Waveform Audio File Format, coding, e.g. uncompressed PCM audio according to the RIFF bitstream format method
    • 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
    • G10H2240/325—Synchronizing two or more audio tracks or files according to musical features or musical timings
    • 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]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Auxiliary Devices For Music (AREA)
  • Electrophonic Musical Instruments (AREA)
JP2006016801A 2006-01-25 2006-01-25 ビート抽出装置及びビート抽出方法 Expired - Fee Related JP4949687B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2006016801A JP4949687B2 (ja) 2006-01-25 2006-01-25 ビート抽出装置及びビート抽出方法
PCT/JP2007/051073 WO2007086417A1 (ja) 2006-01-25 2007-01-24 ビート抽出装置及びビート抽出方法
US12/161,882 US8076566B2 (en) 2006-01-25 2007-01-24 Beat extraction device and beat extraction method
EP07707320A EP1978508A1 (en) 2006-01-25 2007-01-24 Beat extraction device and beat extraction method
KR1020087016468A KR101363534B1 (ko) 2006-01-25 2007-01-24 비트 추출 장치 및 비트 추출 방법
CN2007800035136A CN101375327B (zh) 2006-01-25 2007-01-24 节拍提取设备和节拍提取方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006016801A JP4949687B2 (ja) 2006-01-25 2006-01-25 ビート抽出装置及びビート抽出方法

Publications (3)

Publication Number Publication Date
JP2007199306A JP2007199306A (ja) 2007-08-09
JP2007199306A5 JP2007199306A5 (https=) 2008-01-17
JP4949687B2 true JP4949687B2 (ja) 2012-06-13

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JP2006016801A Expired - Fee Related JP4949687B2 (ja) 2006-01-25 2006-01-25 ビート抽出装置及びビート抽出方法

Country Status (6)

Country Link
US (1) US8076566B2 (https=)
EP (1) EP1978508A1 (https=)
JP (1) JP4949687B2 (https=)
KR (1) KR101363534B1 (https=)
CN (1) CN101375327B (https=)
WO (1) WO2007086417A1 (https=)

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CN108108457B (zh) * 2017-12-28 2020-11-03 广州市百果园信息技术有限公司 从音乐节拍点中提取大节拍信息的方法、存储介质和终端
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Also Published As

Publication number Publication date
US8076566B2 (en) 2011-12-13
US20090056526A1 (en) 2009-03-05
WO2007086417A1 (ja) 2007-08-02
KR101363534B1 (ko) 2014-02-14
CN101375327A (zh) 2009-02-25
KR20080087112A (ko) 2008-09-30
EP1978508A1 (en) 2008-10-08
JP2007199306A (ja) 2007-08-09
CN101375327B (zh) 2012-12-05

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