JP4650662B2 - 信号処理装置および信号処理方法、プログラム、並びに記録媒体 - Google Patents

信号処理装置および信号処理方法、プログラム、並びに記録媒体 Download PDF

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JP4650662B2
JP4650662B2 JP2004084815A JP2004084815A JP4650662B2 JP 4650662 B2 JP4650662 B2 JP 4650662B2 JP 2004084815 A JP2004084815 A JP 2004084815A JP 2004084815 A JP2004084815 A JP 2004084815A JP 4650662 B2 JP4650662 B2 JP 4650662B2
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tempo
frequency
audio signal
processing
feature amount
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JP2005274708A (ja
JP2005274708A5 (enExample
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由幸 小林
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Sony Corp
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Sony Corp
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Priority to JP2004084815A priority Critical patent/JP4650662B2/ja
Priority to US11/082,778 priority patent/US7507901B2/en
Publication of JP2005274708A publication Critical patent/JP2005274708A/ja
Publication of JP2005274708A5 publication Critical patent/JP2005274708A5/ja
Priority to US12/350,519 priority patent/US7868240B2/en
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/36Accompaniment arrangements
    • G10H1/40Rhythm
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H2210/00Aspects 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
    • G10H2210/031Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G10H2210/076Musical 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H2250/00Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/131Mathematical functions for musical analysis, processing, synthesis or composition
    • G10H2250/215Transforms, i.e. mathematical transforms into domains appropriate for musical signal processing, coding or compression
    • G10H2250/235Fourier transform; Discrete Fourier Transform [DFT]; Fast Fourier Transform [FFT]

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Auxiliary Devices For Music (AREA)
  • Electrophonic Musical Instruments (AREA)
JP2004084815A 2004-03-23 2004-03-23 信号処理装置および信号処理方法、プログラム、並びに記録媒体 Expired - Fee Related JP4650662B2 (ja)

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Application Number Priority Date Filing Date Title
JP2004084815A JP4650662B2 (ja) 2004-03-23 2004-03-23 信号処理装置および信号処理方法、プログラム、並びに記録媒体
US11/082,778 US7507901B2 (en) 2004-03-23 2005-03-18 Signal processing apparatus and signal processing method, program, and recording medium
US12/350,519 US7868240B2 (en) 2004-03-23 2009-01-08 Signal processing apparatus and signal processing method, program, and recording medium

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JP2004084815A JP4650662B2 (ja) 2004-03-23 2004-03-23 信号処理装置および信号処理方法、プログラム、並びに記録媒体

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JP2005274708A5 JP2005274708A5 (enExample) 2007-05-10
JP4650662B2 true JP4650662B2 (ja) 2011-03-16

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JP (1) JP4650662B2 (enExample)

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JP5569228B2 (ja) * 2010-08-02 2014-08-13 ソニー株式会社 テンポ検出装置、テンポ検出方法およびプログラム
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JP6842558B2 (ja) * 2017-09-12 2021-03-17 AlphaTheta株式会社 楽曲解析装置および楽曲解析プログラム
CN108281157B (zh) * 2017-12-28 2021-11-12 广州市百果园信息技术有限公司 音乐中鼓点节拍的检测方法及计算机存储介质、终端
JP2020106753A (ja) * 2018-12-28 2020-07-09 ローランド株式会社 情報処理装置および映像処理システム

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US20090114081A1 (en) 2009-05-07
US7868240B2 (en) 2011-01-11
JP2005274708A (ja) 2005-10-06
US20050217463A1 (en) 2005-10-06
US7507901B2 (en) 2009-03-24

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