Khác biệt giữa bản sửa đổi của “Ký âm bằng chữ số”

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'''Ký âm bằng chữ số''' ({{zh|t=簡譜|s=简谱|p=jiǎnpǔ|l=giản phổ}}), là một hệ thống [[ký âm]] được sử dụng rất rộng rãi trong lĩnh vực âm nhạc tại các quốc gia ở châu Á. Không nên nhầm lẫn với[[ký âm#Ký số|integer notation]]. Lịch sử của nó liên quan tới [[ký âm Gongche]] từ thời nhà Đường.
|tháng=04
|năm=2014
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'''ký âm bằng chữ số''' ({{zh|t=簡譜|s=简谱|p=jiǎnpǔ|l=giản phổ}}), là một hệ thống [[ký âm]] được sử dụng rất rộng rãi trong lĩnh vực âm nhạc tại các quốc gia ở châu Á. Không nên nhầm lẫn với[[ký âm#Ký số|integer notation]]. Lịch sử của nó liên quan tới [[ký âm Gongche]] từ thời nhà Đường.
 
Nó cũng được biết đến như '''''Ziffersystem''''', nghĩa là "hệ thống chữ số" hay "'''hệ thống toán học'''" ở [[Nước Đức]]. Nó cần lưu ý rằng một số hệ thống ký âm khác không liên quan cũng được gọi là[[ký âm#ký số|ký số toán học]].
Hàng 18 ⟶ 14:
Nốt: C D E F G A B
Solfège: do ré mi fa sol la si
số: 1 2 3 4 5 6 7
 
ở G:
Hàng 24 ⟶ 20:
Note: G A B C D E F♯
Solfège: do ré mi fa sol la si
NotationKý số: 1 2 3 4 5 6 7
 
Khi các ký âm được đọc to hay hát, chúng được gọi là "do, re, mi, fa, sol, la, si". ("Si" đã được thay thế trong [[USA]] bằng "ti", nhằm tạo ra sự khác nhau giữa các cao độ ở phụ âm.)
 
=== Quãng tám ===
Hàng 32 ⟶ 28:
Chấm ở trên hoặc dưới một lưu ý tăng hoặc giảm âm của nó so với các [[quãng tám]] khác. Số lượng các chấm bằng với số quãng tám. Ví dụ, "6" với một dấu chấm bên dưới là một quãng tám thấp hơn "6". cao độ các âm giai có thể được biểu diễn:
.
MajorÂm scalegiai Trưởng: 1 2 3 4 5 6 7 1
 
NaturalÂm minorgiai scaleThứ tự nhiên: 6 7 1 2 3 4 5 6
· ·
 
Hàng 47 ⟶ 43:
 
Biểu tượng âm như Cm có thể được sử dụng nếu lồng tiếng chính xác là không quan trọng.
 
=== Độ dài của nốt ===
 
The plain number represents a [[quarter note]] (crotchet). Each underline halves the note length: One represents an [[eighth note]] (quaver), two represent a [[sixteenth note]] (semiquaver), and so on. Dashes after a note lengthen it, each dash by the length of a quarter note.
 
A [[dotted note|dot]] after the plain or underlined note works increases its length by half, and [[double-dotted note|two dots]] by three quarters.
 
The underline, along with its joining, are analogous to the number of flags and beaming in [[musical notation|standard notation]]. So are dotted notes. But the analogue stops at notes worth 3 quarter notes and beyond, where dashes are used instead.
 
Whole (semibreve): 1 - - - Dotted whole: 1 - - - - - Double dotted: 1 - - - - - -
 
Half (minim): 1 - Dotted half: 1 - - Double dotted: 1 - - ·
 
Quarter (crotchet): 1 Dotted quarter: 1· Double dotted: 1··
 
Eighth (quaver): <u>1</u> Dotted eighth: <u>1</u>· Double dotted: <u>1</u>··
&nbsp;
16th (semiquaver): 1
=
 
===Musical rest===
 
The number "0" represents the [[rest (music)|musical rest]]. The rules for length is similar to that of the note, except that it is customary to repeat "0" instead of adding dashes for rests longer than a quarter rest. Unlike the [[musical notation|standard notation]], there is no single symbol for the bar rest. The bar rest of 3/4 time is "| 0 0 0 |" and the bar rest of 4/4 time is "| 0 0 0 0 |". For brevity the multi-bar rest symbol used in standard notation may also be adopted.
 
===Undetermined pitch===
 
When notating rhythms without pitch, such as in many [[percussion instruments]], the symbol "X" or "x" replace numerals. For example, a common clap pattern used in [[cheerleading|cheers]] can be written like this:
 
4/4 &gt; &gt;
Clap: | X X <u>X X</u> X | <u>X X X X</u> <u>0 X</u> X ||
 
=== Bar lines ===
 
Bar lines, double bar lines, end bar lines, repeat signs, first- and second-endings look very similar to their counterparts in the standard notation. The ending numbers, though, are usually slightly less than half as big as the numerals representing notes.
 
When several lines of music are notated together to be sung or played in harmony, the bar lines usually extend through all the parts, except they do not cut across the lyrics if these are printed between the upper and lower parts. However, when notating music for a two-handed instrument (such as the [[guzheng]]), it is common for the bar lines of each hand to be drawn separately, but a score bracket to be drawn on the left of the page to "bind" the two hands together. This bracket is not the same as the bracket used on a Western piano staff; it's more like the bracket used to bind an orchestral section together in Western music. Sometimes the final double barline, and any barlines marked with repeat signs, also pass through both hands, but this is not consistent even in the same publication (see for example Xinbian Guzheng Jiaocheng ISBN 7-5359-2188-4 pages 108 and 138, where they do and do not pass through both hands respectively).
 
If a piece of music for a two-handed instrument has a passage where only one hand is notated, lines of numbered notation without score brackets at the left can be used for this passage. Hence a piece of music may shift between two-handed (with bracket) and one-handed (without bracket) layouts during the course of the piece.
 
Cadenza-like passages can have dotted barlines, or barlines can be omitted altogether.
 
It is possible to print a small fermata above a bar line; this represents a brief pause between the measures either side of the barline, as in Western notation.
 
===Accidentals and key signature===
 
The notation uses a [[Solfège#Variations|movable Do(1)]] system. The [[key signature]] defines the [[pitch (music)|pitch]] of "1". So "1=C" means "C major". Minor keys are based on the [[natural minor]] or the [[Aeolian mode]], and the key signature defines the pitch of "6". So "6=C" means "C minor". Naturally, the [[Dorian mode]] of D should be marked as "2=D". Some people prefer to write "Key: C" or "Key: Cm" instead.
 
The same [[Accidental (music)|accidental]]s in the [[musical notation|standard notation]] are used, and as in common practice, an accidental is placed before the notes "1 2 3 4 5 6 7" to raise or lower the pitch and placed after the note names "C D E F G A B", which are used for key signature and [[chord (music)|chord]] markings in the numbered system. But these accidentals are relative to the '''diatonic scale''' (1 2 3...) rather than the note names (C D E...). For example, even though the [[leading note]] for the harmonic C minor scale is "B natural", it is written as "♯5".
 
Key signature changes are marked above the line of music. They may be accompanied by symbols that represent the note's degrees at previous and present key signatures.
 
===Time signature===
 
The [[time signature]] is written as a fraction: 2/4, 3/4, 4/4, 6/8, etc. It is usually placed after the key signature. Change of time signature within the piece of music may be marked in-line or above the line of music. Some pieces that start with cadenza passages are not marked with time signatures until the end of that passage, even if the passage uses dotted barlines (in which case 4/4 time is usually implied).
 
Sometimes a piece is written with multiple time signatures simultaneously. For example it might specify 4/4 2/4 3/4 5/4, meaning that the length of measures is irregular and can be 4, 2, 3 or 5 quarter-notes. The time signature of the first measure is always specified first, and the others are placed in increasing order of length.
 
Usually, the time signature is formatted as two numbers placed vertically on top of each other, with a horizontal line separating them. This is slightly different from the formatting illustrated in the text above, due to technical restrictions.
 
A [[metronome]] mark may be placed immediately after the time signature if the time signature is part-way through the music, or below it if the time signature is at the beginning. If present, this will be identical to the metronome marks used in Western music (this is the only place in numbered notation where Western symbols for note values such as quarter-notes and eighth-notes are used).
 
===Ties, slurs and tuplets===
 
Ties and slurs are curves resembling that in the standard notation, although they are always written above the music line in numbered notation. Ties are much flatter than slurs; usually only the ends of a tie are curved, whereas slurs are curved throughout. Chinese music books often draw ties and slurs with a single thin line, in contrast with the Western practice of making the line thicker in the middle.
 
In music for two hands, it is possible to write a slur that begins in one hand and ends in the other; this is usually done when the first hand has nothing more to play in that measure and hence there is room to draw the slur in the space which would normally have been used to draw further notes. This is similar to some Western keyboard music where slurs between the staves are possible.
 
A slur with a small arrowhead on its right-hand end indicates a pitch bend between the notes under the slur, which is possible on some instruments.
 
Tuplets (such as triplets, quintuplets, etc.) are notated by writing a slur-like symbol over the notes and printing a small digit (3 or 5 or whatever is appropriate) in the center of this symbol, so that the line passes through the digit.
 
===Expression marks and dynamics===
Expression marks (including fermatas) are also written above the music line. Special attention has to be paid on the [[staccato]] dot since it looks like the octave changer. It is either represented by a bolder dot further away from the music line or by the [[staccatissimo]] sign instead, which is an inverted triangle.
 
Dynamics (p, f, mf, etc.) and hairline crescendos and diminuendos are written below the line of music to which they apply, as in Western notation. The font of the dynamics is usually lighter than the font used in Western notation, so as not to be as heavy as the font for the numbers.
 
===Fingering and other instrument-specific marks===
Instrument-specific symbols can be written above notes as well. For example in music for stringed instruments it is common to see wavy lines representing rolls. Fingering can be marked using four different kinds of finger symbol, respectively appearing like a lightning strike, the top half of a semicircle, a backslash, and the bottom left corner of a square.
 
Other instrument-specific symbols that are sometimes used include one resembling three slashes progressing diagonally downward, placed to the lower right of the numeral. This represents a tremolo. Another symbol is formed of a line proceeding from slightly to the right of the top right corner of the numeral and curving upwards, ending with the left half of an arrowhead. The meaning of this symbol is unclear.
 
If there are slurs or ties and also fingering symbols, then the fingering symbols are written above the slurs or ties. Rolls (wavy lines) and tuplets are usually written below the slurs or ties. However, if a one-off chord results in many digits being stacked on top of each other and also has a roll symbol, it is possible to place that roll symbol above any slur or tie line to save space (to avoid moving the slur or tie any higher than the chord has already needed to move it).
 
===Glissandi===
Glissandi are represented by diagonal wavy lines with arrowheads at the end. The [[glissando]] symbol proceeds from bottom left to top right for an upward glissando, or from top left to bottom right for a downward glissando. It is used in place of a numeral. For stringed instruments, it usually indicates playing all the notes of the scale in rapid succession, i.e. for a downward glissando,
 
.
1 6 5 3 2 1
 
and for an upward glissando,
 
.
1 2 3 5 6 1
 
Note that a [[pentatonic]] scale is normally used in Traditional Chinese music, so "all the notes of the scale" in this case are 1, 2, 3, 5 and 6.
 
Extended glissandi (over several octaves) are also possible, usually written with a longer diagonal wavy line that is nearly touching the numbers on either side of it. In this case the numbers on either side determine the starting and ending pitches for the glissando.
 
===Grace notes===
Grace notes are notated like normal notes but are written in a small (about half-size) script on the line just above. They are written with octave dots and note-length lines, and they are connected to the main note with a slur that proceeds vertically downward from the center of the note-length line of the grace notes and points toward the main note. Grace notes may be placed either before or after the main note, indicating that they are to be played very rapidly either before the start of the main note or after the end.
 
==Variations of the numbered musical notation==
 
In some versions of the numbered musical notation, underlines indicating note length are written above the note instead. Ties and slurs may be written below the music line.
 
In some versions, octave change is represented in a different way. Instead of dots above or below the numbers, a horizontal line is drawn and the number is written on, above, or below the line.
 
Another variation is to put octave bar "|" on the side of the number. An octave bar on the left is equivalent to a dot at the bottom. An octave bar on the right is equivalent to a dot on top. This is used in [http://musicmadeeasy.wikispaces.com/Digital+Common+Notation Digital Common Notation]. Digital Common Notation attempts to combine the benefits of the standard notation and numbered musical notation and is targeted for keyboard performing.
 
==Performing numbered music on keyboard==
 
It is possible to perform music in numbered musical notation in the tradition way. The player first locates the root note of the key on the keyboard and then mentally map the number to the keys on the keyboard. This should not be difficult for someone who can play the scales with traditional piano training.
 
A simple way is to transpose the root note to where the middle C is. The music can then be performed with the same fingering as in C Major. This approach actually reduces the 12 sets of fingering down to one. The method is described in [http://musicmadeeasy.wikispaces.com/Middle+Root+Note+Method MRN Method (Middle Root Note Method)].
 
==History and Usage==
 
A similar invention was presented by [[Jean-Jacques Rousseau]] in his work presented to the [[French Academy of Sciences]] in 1742. Due to its straightforward correspondence to the standard notation, it is possible that many other claims of independent invention are also true. [[Grove Dictionary of Music and Musicians|Grove's]] credits [[Émile-Joseph-Maurice Chevé|Emile J.M. Chevé]].<ref>Grove Music Online (subscription required but many public libraries are subscribed; URLs vary). China, §II: History and theory. Alan R. Thrasher, et al.</ref>
 
Although the system is used to some extent in [[Germany]], [[France]], and the [[Netherlands]], and more by the [[Mennonite]]s in [[Russia]], it has never become popular in the Western world. See the external links for more information.
 
The system is very popular among some [[Asia]]n people, making conventions to encode and decode music more accessible than in the West, as more [[China|Chinese]] can sight read ''jianpu'' than standard notation. Most Chinese traditional music scores and popular song books are published in ''jianpu'', and ''jianpu'' notation is often included in vocal music with staff notation.
 
Indexing with numbered notation makes it possible to search a piece of music by melody rather than by title. An actual example can be found in the [[Chinese New Hymnal]]. [[Parson's code]] on the other hand contains information on rise and fall in pitch only but precise pitches can be decoded from numbered notation. This way, a children's song book be indexed like this:
 
|1· 1· |1 <u>2</u>3· | Row, row, row your boat
&nbsp;
|1 1 5 5 |6 6 5 - | Twinkle, twinkle little star
&nbsp;
|1 2 3 1 |1 2 3 1 | Frere Jacques
 
A reason for its popularity among Chinese is that ''jianpu'' fits in with the Chinese music tradition. It is a natural extension and unification of the [[gongche notation|''gongche'' notation]] widely used in ancient China for recording music. ''Gongche'' uses a number of characters to indicate the musical notes, and ''jianpu'' can be seen as using numbers to replace those characters. The [[monophony|monophonic]] nature of music in Chinese tradition also contributes to widespread use because so few elements are needed for monophonic music that music can be notated with little more than a [[typewriter]].
 
Compared with the standard notation, the numbered notation is very compact for just the [[melody]] line or monophonic parts. It is even possible to transcribe music in between the lines of text. Transcribing [[harmony]] can be done by vertically stacking the notes, but this advantage diminishes as the harmony becomes more complex (or polyphonicity increases). The standard notation, with its graphical notation, is better in representing the duration and timing among multiple notes.
 
==Examples==
The two images below illustrate how the same piece of music is written using the standard notation and the numbered notation.
[[Image:AmazingGraceFamiliarStyle.PNG|center|thumb|600 px|The hymn "Amazing Grace" written in standard notation.]]
[[Image:AmazingGraceNumberedMusicalNotation.png|center|thumb|480 px|The hymn "Amazing Grace" written in numbered musical notation.]]
 
==Software for printing numbered notation scores==
A number of Chinese-language [[Microsoft Windows]] applications are available for the [[WYSIWYG]] editing of scores (optionally with lyrics) in numbered musical notation.<ref>[http://www.medeli.com.cn/soft/gb/soft.asp MeiDeLi JianPu]</ref><ref>[http://www.zuoqu.com/html/jpzy.htm 作曲大师简 (Music Master)]</ref><ref>[http://www.13so.net/ QuickMake Jianpu software (QuickMake简谱软件)]</ref><ref>简谱乐章 (Jianpu Yuezhang), apparently no longer distributed by its author but a limited freeware version (免费版) is available at various Chinese file-sharing sites</ref><ref>TTComposer (TT作曲家) published by 打本公司 1999-2001</ref> Typically these support '''only''' the numbered notation, i.e. it is not possible to mix the numbered notation with a Western-style score in the same [[computer file|file]], but it is also possible to add numbered notation to [[Sibelius (software)|Sibelius]] scores via a Chinese-language third-party plugin.<ref>[http://www.slsgzs.com/jpcj.html]</ref> English-language applications for working with numbered-notation scores are relatively rare, but there have been some developments.<ref>[http://www.a1soft.com/smusic/index.htm S-Music] ([[free software]]; requires [[Microsoft Windows]])</ref><ref>[http://simperhu.weebly.com/ SimpErhu], a freely-available [[TrueType]] font with a set of [[Microsoft Word]] macros for adding numbered notation to documents</ref> There are technical methods of printing numbered notation (in various forms) with [[GNU LilyPond]].<ref>[http://lilypond.org/doc/v2.14/Documentation/notation/note-heads LilyPond documentation: Ez_numbers_engraver]</ref><ref>[http://lists.gnu.org/archive/html/lilypond-user/2012-11/msg00083.html lilypond-user discussion archives: jianpu-ly]</ref><ref>[http://lists.gnu.org/archive/html/lilypond-devel/2009-06/msg00167.html lilypond-user discussion archives: numbered notation using \markup and TeX]</ref>
 
== Xem thêm ==
* [[Musical notation]]
* [[Staff (music)]]
* [[Siffernotskrift]], used in Scandinavia
* [http://www.phy.mtu.edu/~suits/notefreqs.html Frequencies for musical Notes]
 
==Tham khảo==