JP2013190694A5 - - Google Patents
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- JP2013190694A5 JP2013190694A5 JP2012057966A JP2012057966A JP2013190694A5 JP 2013190694 A5 JP2013190694 A5 JP 2013190694A5 JP 2012057966 A JP2012057966 A JP 2012057966A JP 2012057966 A JP2012057966 A JP 2012057966A JP 2013190694 A5 JP2013190694 A5 JP 2013190694A5
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- JP
- Japan
- Prior art keywords
- chord
- character information
- lyrics
- code
- extraction device
- 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.)
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- 238000000605 extraction Methods 0.000 claims description 23
- 239000000284 extract Substances 0.000 claims description 2
- FQKUGOMFVDPBIZ-UHFFFAOYSA-N Flusilazole Chemical compound C=1C=C(F)C=CC=1[Si](C=1C=CC(F)=CC=1)(C)CN1C=NC=N1 FQKUGOMFVDPBIZ-UHFFFAOYSA-N 0.000 claims 2
Description
上記目的を達成するため、本発明の一態様のコード抽出装置は、
少なくともコード名及び歌詞を表わす文字情報で構成されるコード譜から、コード進行情報を構成するコード名を抽出するコード抽出装置であって、
前記コード譜内の所定範囲に含まれる文字情報において、所定の条件を満足しない場合、当該所定範囲の文字情報を前記歌詞を表わす文字情報として識別する歌詞識別手段と、
前記コード譜内の文字情報から、前記歌詞識別手段により識別された前記歌詞を表わす文字情報を除いた文字情報を、コード進行情報を構成するコード名として抽出するコード進行情報抽出手段と、
を備える。
In order to achieve the above object, a code extraction apparatus according to an aspect of the present invention includes:
A chord extraction device that extracts chord names constituting chord progression information from chord scores composed of character information representing at least chord names and lyrics,
In the character information included in the predetermined range in the chord score , if the predetermined condition is not satisfied, the lyrics identifying means for identifying the character information in the predetermined range as character information representing the lyrics,
Chord progression information extracting means for extracting the character information excluding the character information representing the lyrics identified by the lyrics identifying means from the character information in the chord score as a chord name constituting chord progression information;
Is provided.
Claims (10)
前記コード譜内の所定範囲に含まれる文字情報において、所定の条件を満足しない場合、当該所定範囲の文字情報を前記歌詞を表わす文字情報として識別する歌詞識別手段と、
前記コード譜内の文字情報から、前記歌詞識別手段により識別された前記歌詞を表わす文字情報を除いた文字情報を、コード進行情報を構成するコード名として抽出するコード進行情報抽出手段と、
を備えるコード抽出装置。 A chord extraction device that extracts chord names constituting chord progression information from chord scores composed of character information representing at least chord names and lyrics,
In the character information included in the predetermined range in the chord score , if the predetermined condition is not satisfied, the lyrics identifying means for identifying the character information in the predetermined range as character information representing the lyrics,
Chord progression information extracting means for extracting the character information excluding the character information representing the lyrics identified by the lyrics identifying means from the character information in the chord score as a chord name constituting chord progression information;
A code extraction device comprising:
前記コード譜から、基音及び３度の表記以外の文字列を除去する文字列除去手段をさらに有するコード抽出装置。A chord extraction apparatus further comprising character string removing means for removing a character string other than a fundamental tone and a third degree notation from the chord score.
前記文字列除去手段はさらに、基音（１度）と３度と５度の３音で構成される和音コードに付加される６度、７度、９度、１１度、又は１３度の音を表わす文字列、及び和音コードのベース音が基音と異なる場合に付加される文字列を除去するコード抽出装置。 The code extraction device according to claim 2 ,
The character string removing means further outputs a sound of 6 degrees, 7 degrees, 9 degrees, 11 degrees, or 13 degrees added to a chord code composed of a fundamental sound (1 degree) and 3 sounds of 3 degrees and 5 degrees. A chord extraction device for removing a character string to be added and a character string added when a bass sound of a chord code is different from a fundamental tone.
前記歌詞識別手段は、前記所定範囲に含まれる文字情報で表わされるコード名のコード構成音が、当該所定範囲の先頭の文字情報に基づいて決定される調の音階に含まれる場合に、前記所定の条件を満足すると判別するコード抽出装置。 In the code extraction device according to claim 1 or 2 ,
The lyric identifying means, when the chord constituting sound of the chord name represented by the character information included in the predetermined range is included in the key scale determined based on the first character information of the predetermined range, Code extractor that determines that the above condition is satisfied.
前記歌詞識別手段は、前記所定範囲の先頭の文字情報に基づいて決定される調の音階に含まれない場合には、当該コード名に基づいて前記調を再決定するとともに、当該再決定された調にて再度前記所定の条件を満足するか否か判別するコード抽出装置。 The code extraction device according to claim 4 ,
The lyric identifying means re-determines the key based on the chord name and re-determines the key when not included in the key scale determined based on the first character information of the predetermined range. A code extraction device for determining whether or not the predetermined condition is satisfied again by the key.
前記読み出されたコード譜は、改行コード、タブコード及び特定の文字記号列の少なくともひとつが、前記所定範囲の間隔で挿入されているコード抽出装置。 In the code extraction device according to claim 1 or 2 ,
The read code score is a code extraction device in which at least one of a line feed code, a tab code, and a specific character symbol string is inserted at an interval of the predetermined range.
前記コード進行情報抽出手段により抽出されたコード進行情報を構成するコード名を表示する表示手段を有するコード抽出装置。 The code extraction device according to claim 2 , further comprising:
A chord extraction apparatus comprising display means for displaying chord names constituting chord progression information extracted by the chord progression information extraction means.
前記表示手段はさらに、前記文字列除去手段にて除去された文字列及び前記歌詞識別手段にて前記歌詞を表わす文字情報として識別された文字情報を、前記コード進行情報を構成するコード名とは別の領域に表示するコード抽出装置。 In the code extraction device according to claim 7 ,
The display means further includes a character string removed by the character string removing means and character information identified as character information representing the lyrics by the lyrics identifying means, and a code name constituting the chord progression information. Code extraction device to display in another area.
前記コード譜内の所定範囲に含まれる文字情報において、所定の条件を満足しない場合、当該所定範囲の文字情報を前記歌詞を表わす文字情報として識別する歌詞識別ステップと、
前記コード譜内の文字情報から、前記識別された前記歌詞を表わす文字情報を除いた文字情報を、コード進行情報を構成するコード名として抽出するコード進行情報抽出ステップと、
を含むコード抽出方法。 A chord extraction method for extracting chord names constituting chord progression information from chord scores comprising at least chord names and character information representing lyrics,
In the character information included in the predetermined range in the chord score, when the predetermined condition is not satisfied, the lyrics identifying step for identifying the character information in the predetermined range as character information representing the lyrics,
A chord progression information extraction step for extracting the character information excluding the character information representing the identified lyrics from the character information in the chord score, as a chord name constituting chord progression information;
Code extraction method including
前記コード譜内の所定範囲に含まれる文字情報において、所定の条件を満足しない場合、当該所定範囲の文字情報を前記歌詞を表わす文字情報として識別する歌詞識別ステップと、
前記コード譜内の文字情報から、前記識別された前記歌詞を表わす文字情報を除いた文字情報を、コード進行情報を構成するコード名として抽出するコード進行情報抽出ステップと、
を実行させるプログラム。 To a computer used as a chord extraction device for extracting chord names constituting chord progression information from chord scores composed of at least chord names and character information representing lyrics,
In the character information included in the predetermined range in the chord score, when the predetermined condition is not satisfied, the lyrics identifying step for identifying the character information in the predetermined range as character information representing the lyrics,
A chord progression information extraction step for extracting the character information excluding the character information representing the identified lyrics from the character information in the chord score, as a chord name constituting chord progression information;
A program that executes
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012057966A JP6064343B2 (en) | 2012-03-14 | 2012-03-14 | Code extraction apparatus, method and program thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012057966A JP6064343B2 (en) | 2012-03-14 | 2012-03-14 | Code extraction apparatus, method and program thereof |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013190694A JP2013190694A (en) | 2013-09-26 |
| JP2013190694A5 true JP2013190694A5 (en) | 2015-04-30 |
| JP6064343B2 JP6064343B2 (en) | 2017-01-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012057966A Active JP6064343B2 (en) | 2012-03-14 | 2012-03-14 | Code extraction apparatus, method and program thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6064343B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6295583B2 (en) * | 2013-10-08 | 2018-03-20 | ヤマハ株式会社 | Music data generating apparatus and program for realizing music data generating method |
| JP6525034B2 (en) * | 2017-08-08 | 2019-06-05 | ヤマハ株式会社 | Code progression information generation apparatus and program for realizing code progression information generation method |
| WO2019049294A1 (en) * | 2017-09-07 | 2019-03-14 | ヤマハ株式会社 | Code information extraction device, code information extraction method, and code information extraction program |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3632487B2 (en) * | 1999-02-26 | 2005-03-23 | ヤマハ株式会社 | Chord detection device for electronic musical instruments |
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2012
- 2012-03-14 JP JP2012057966A patent/JP6064343B2/en active Active
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