古箏21根弦對應什么音

d調：

第(di)一弦(xian)（最粗弦(xian)）：下方兩點do

第(di)二弦(xian)：下方(fang)兩點re

第三弦(xian)：下(xia)方兩點(dian)mi

第(di)四弦：下方(fang)兩點sol

第五線(xian)：下方兩(liang)點la

第六弦：下方一點do

第七弦(xian)：下方一點re

第八弦(xian)：下方(fang)一點(dian)mi

第九弦：下(xia)方一點sol

第十弦：下方(fang)一(yi)點la

第十一弦(xian)：上下方都(dou)不帶點(dian)，即(ji)“do”

第十二弦：上下方都(dou)不帶(dai)點，即(ji)“re”

第十三弦：上下方都不帶點，即(ji)“mi”

第十四弦：上下方都不帶點，即“sol”

第十(shi)五弦：上下(xia)方都(dou)不帶點，即“la”

第十六弦(xian)：上(shang)方一點do

第十七弦：上(shang)方(fang)一點re

第十八(ba)弦：上方一(yi)點(dian)mi

第十九弦：上方一點sol

第(di)二(er)十弦：上(shang)方一點la

第二十一弦(最細弦)：上(shang)方兩點do

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古箏琴弦A型和B型的區別

1、 手感不同

a型古(gu)箏弦：較(jiao)細較(jiao)軟，手感(gan)較(jiao)松(song)，余音較(jiao)長。

b型(xing)古箏弦：較(jiao)粗較(jiao)硬，手(shou)感較(jiao)緊，其韻味更(geng)悠長。

2、調不同

a型(xing)古(gu)箏弦：從被低音3一(yi)直到(dao)上面三個點的3。

b型古箏弦：從下面是(shi)三個(ge)點的3一直到被高音3。

古箏琴弦的知識拓展

1、琴弦的種類

目前生產的古箏琴弦(xian)(xian)(xian)(xian)(xian)有四(si)種(zhong)：鋼絲尼龍纏線A型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)（五聲）、B型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)（五聲）、C型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)（七聲）和D型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)（五聲、七聲）。前(qian)兩(liang)種(zhong)是(shi)(shi)常(chang)規21弦(xian)(xian)(xian)(xian)(xian)古(gu)(gu)箏(zheng)的(de)配(pei)(pei)套用弦(xian)(xian)(xian)(xian)(xian)。A型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)和B型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)的(de)結構和工藝類(lei)似，但(dan)規格略(lve)有區別。A型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)手感(gan)較松，余音(yin)較長；B型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)手感(gan)較緊，更適合大力度的(de)作品使用。目(mu)前(qian)，689、696、699配(pei)(pei)的(de)是(shi)(shi)A型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)，694、695、698配(pei)(pei)的(de)是(shi)(shi)B型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)。C型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)為七聲音(yin)階的(de)弦(xian)(xian)(xian)(xian)(xian)。D型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)專(zhuan)為多聲弦(xian)(xian)(xian)(xian)(xian)制組合箏(zheng)所配(pei)(pei)，但(dan)同(tong)時可用于傳統S形21弦(xian)(xian)(xian)(xian)(xian)古(gu)(gu)箏(zheng)上，音(yin)色比A、B型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)更為醇厚、明亮。

2、琴弦的材質

古箏常(chang)規的(de)(de)音(yin)(yin)位(wei)排列(lie)時五聲音(yin)(yin)階，許多半(ban)音(yin)(yin)和(he)滑音(yin)(yin)，以及(ji)大(da)二度(du)、小三度(du)的(de)(de)按弦(xian)和(he)大(da)幅(fu)度(du)的(de)(de)顫音(yin)(yin)，都(dou)需左右深(shen)度(du)按弦(xian)。這就要(yao)求鋼絲材料的(de)(de)拉(la)伸性(xing)能(neng)(neng)和(he)柔韌性(xing)等指標(biao)均(jun)能(neng)(neng)滿(man)足演(yan)奏的(de)(de)需要(yao)。高音(yin)(yin)區0.081芯(xin)弦(xian)，抗(kang)(kang)拉(la)強度(du)為3050~3100N/毫(hao)米2；中音(yin)(yin)區0.376芯(xin)弦(xian)抗(kang)(kang)拉(la)強度(du)為2800~2850N/毫(hao)米 2 ；低音(yin)(yin)區0.508芯(xin)弦(xian)抗(kang)(kang)拉(la)強度(du)為2700~2750N/毫(hao)米2。如果達不(bu)到(dao)上述指標(biao)，對音(yin)(yin)準的(de)(de) 穩定(ding)性(xing)和(he)音(yin)(yin)質等性(xing)能(neng)(neng)會產(chan)生(sheng)不(bu)良影響。

3、琴弦的顏色

現在常(chang)用(yong)的鋼絲尼龍(long)纏(chan)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)外表是(shi)(shi)白色(se)(se)(se)(se)的。A型(xing)(xing)、B型(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)的21根(gen)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)中，有(you)四根(gen)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)是(shi)(shi)綠色(se)(se)(se)(se)，分別(bie)(bie)是(shi)(shi)3弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)、8弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)、13弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)、18弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)。設計(ji)這種顏色(se)(se)(se)(se)標識是(shi)(shi)為(wei)(wei)了(le)讓(rang)演奏(zou)者更容(rong)易分清音(yin)(yin)區。距離(li)最近的兩根(gen)綠色(se)(se)(se)(se)琴弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)之間(jian)在音(yin)(yin)程關系上為(wei)(wei)八度(du)，第(di)8弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)的音(yin)(yin)高(gao)為(wei)(wei)a1。 C型(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)（七聲(sheng)）中有(you)四根(gen)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)是(shi)(shi)綠色(se)(se)(se)(se)的，分別(bie)(bie)是(shi)(shi)2弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)、9弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)、16弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)、21弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)；有(you)三(san)根(gen)是(shi)(shi)紅色(se)(se)(se)(se)的，分別(bie)(bie)是(shi)(shi)6弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)、13弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)、20弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)。D型(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)（五(wu)聲(sheng)）同A型(xing)(xing)（五(wu)聲(sheng)）B型(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)（五(wu)聲(sheng)），D型(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)（七聲(sheng)）同C型(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)（七聲(sheng)）。

4、琴弦的弦號

古箏(zheng)琴弦(xian)(xian)的弦(xian)(xian)號(hao)表述如(ru)下：古箏(zheng)最(zui)(zui)(zui)細、最(zui)(zui)(zui)高音(yin)的弦(xian)(xian)，琴弦(xian)(xian)號(hao)碼(ma)最(zui)(zui)(zui)小，靠近演(yan)奏者的琴弦(xian)(xian)號(hao)碼(ma)為(wei)1號(hao)弦(xian)(xian)，依次向前至弦(xian)(xian)號(hao)最(zui)(zui)(zui)大、最(zui)(zui)(zui)粗的弦(xian)(xian)是21弦(xian)(xian)。