BRPI0823192A2 - método para analisar um sinal de áudio de música digital - Google Patents

método para analisar um sinal de áudio de música digital

Info

Publication number
BRPI0823192A2
BRPI0823192A2 BRPI0823192A BRPI0823192A BRPI0823192A2 BR PI0823192 A2 BRPI0823192 A2 BR PI0823192A2 BR PI0823192 A BRPI0823192 A BR PI0823192A BR PI0823192 A BRPI0823192 A BR PI0823192A BR PI0823192 A2 BRPI0823192 A2 BR PI0823192A2
Authority
BR
Brazil
Prior art keywords
analyzing
audio signal
digital music
music audio
digital
Prior art date
Application number
BRPI0823192A
Other languages
English (en)
Inventor
Färnström Lars
Scaringella Nicolas
Leonardi Riccardo
Original Assignee
Museeka S A
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 Museeka S A filed Critical Museeka S A
Publication of BRPI0823192A2 publication Critical patent/BRPI0823192A2/pt

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
    • G10H1/36—Accompaniment arrangements
    • G10H1/38—Chord
    • G10H1/383—Chord detection and/or recognition, e.g. for correction, or automatic bass generation
    • 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
    • G10H2210/066—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 pitch analysis as part of wider processing for musical purposes, e.g. transcription, musical performance evaluation; Pitch recognition, e.g. in polyphonic sounds; Estimation or use of missing fundamental
    • 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
    • G10H2210/081—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 automatic key or tonality recognition, e.g. using musical rules or a knowledge base
    • 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
    • G10H2250/311—Neural networks for electrophonic musical instruments or musical processing, e.g. for musical recognition or control, automatic composition or improvisation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Auxiliary Devices For Music (AREA)
BRPI0823192A 2008-10-15 2008-10-15 método para analisar um sinal de áudio de música digital BRPI0823192A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/063911 WO2010043258A1 (en) 2008-10-15 2008-10-15 Method for analyzing a digital music audio signal

Publications (1)

Publication Number Publication Date
BRPI0823192A2 true BRPI0823192A2 (pt) 2018-10-23

Family

ID=40344486

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0823192A BRPI0823192A2 (pt) 2008-10-15 2008-10-15 método para analisar um sinal de áudio de música digital

Country Status (7)

Country Link
EP (1) EP2342708B1 (pt)
JP (1) JP2012506061A (pt)
CN (1) CN102187386A (pt)
BR (1) BRPI0823192A2 (pt)
CA (1) CA2740638A1 (pt)
EA (1) EA201170559A1 (pt)
WO (1) WO2010043258A1 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110254688A1 (en) * 2010-04-15 2011-10-20 Samsung Electronics Co., Ltd. User state recognition in a wireless communication system
US9263060B2 (en) 2012-08-21 2016-02-16 Marian Mason Publishing Company, Llc Artificial neural network based system for classification of the emotional content of digital music
US9257954B2 (en) * 2013-09-19 2016-02-09 Microsoft Technology Licensing, Llc Automatic audio harmonization based on pitch distributions
JP6671245B2 (ja) * 2016-06-01 2020-03-25 株式会社Ｎｔｔドコモ 識別装置
CN107135578B (zh) * 2017-06-08 2020-01-10 复旦大学 基于TonaLighting调节技术的智能音乐和弦-氛围灯系统
US11024288B2 (en) * 2018-09-04 2021-06-01 Gracenote, Inc. Methods and apparatus to segment audio and determine audio segment similarities
JP7375302B2 (ja) * 2019-01-11 2023-11-08 ヤマハ株式会社 音響解析方法、音響解析装置およびプログラム
CN112652281A (zh) * 2020-11-25 2021-04-13 平安科技（深圳）有限公司 音乐和弦识别方法及装置、电子设备、存储介质
US20250140242A1 (en) * 2023-10-31 2025-05-01 Lemon Inc. Generating audio representations using machine learning model
WO2025190785A1 (en) * 2024-03-11 2025-09-18 Sony Group Corporation Apparatus and method for processing an audio file storing a music track and apparatus and method for determining a sample underlying a music track

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1091199A (ja) * 1996-09-18 1998-04-10 Mitsubishi Electric Corp 記録再生装置
US6057502A (en) 1999-03-30 2000-05-02 Yamaha Corporation Apparatus and method for recognizing musical chords
JP3870727B2 (ja) * 2001-06-20 2007-01-24 ヤマハ株式会社 演奏タイミング抽出方法
JP2006202235A (ja) * 2005-01-24 2006-08-03 Nara Institute Of Science & Technology 経時的現象発生解析装置及び経時的現象発生解析方法
JP2007041234A (ja) * 2005-08-02 2007-02-15 Univ Of Tokyo 音楽音響信号の調推定方法および調推定装置
JP4722738B2 (ja) * 2006-03-14 2011-07-13 三菱電機株式会社 楽曲分析方法及び楽曲分析装置
JP4823804B2 (ja) * 2006-08-09 2011-11-24 株式会社河合楽器製作所 コード名検出装置及びコード名検出用プログラム
JP4214491B2 (ja) * 2006-10-20 2009-01-28 ソニー株式会社 信号処理装置および方法、プログラム、並びに記録媒体
JP4315180B2 (ja) * 2006-10-20 2009-08-19 ソニー株式会社 信号処理装置および方法、プログラム、並びに記録媒体

Also Published As

Publication number Publication date
CN102187386A (zh) 2011-09-14
CA2740638A1 (en) 2010-04-22
EP2342708B1 (en) 2012-07-18
EA201170559A1 (ru) 2012-01-30
EP2342708A1 (en) 2011-07-13
WO2010043258A1 (en) 2010-04-22
JP2012506061A (ja) 2012-03-08

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 6A, 7A, 8A, 9A E 10A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2495 DE 30-10-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.