推荐回答(3个)
这和琴的本身质地有关。
不然就不会有价格悬殊的琴了。呵呵。。
你可以把琴的琴弦重新上一下,然后再调整琴码位置。调好后,多按压琴码两侧的琴弦,再逐步将音校准。
琴码的位置摆放也有一定规律:
从有效弦长角度来分析。比方说你现在坐在一架古筝前面,距离你最近的是高音区,而离你最近的一条弦的有效弦长最短,由古筝的高音区向低音区看去,筝弦的有效弦长是依次递增的,筝弦由细向粗变化,音高也由高向低变化。不仅仅是筝弦的有效弦长呈递增式变化,相邻两个筝马之间的距离在总体趋势上也是呈递增变化的。在安排筝马时,一般最里一弦筝马距离前岳山约15cm到16cm为宜,第二弦的筝马与第一弦筝马在直线上的距离最小,相隔1cm为宜,往后几条弦的筝马之间也应该保持1cm为宜;到了中音区,筝马之间的距离就要大一些了,2cm为宜;次中音区筝马之间的距离再大一些,一般为2.5cm-3cm之间;而低音区则最大,有距4cm者,最末几根筝弦筝马之间的距离为5cm。俯视时,所有筝马呈弧形排列,非常美观。
另外,琴的保养也很重要的。
我们知道,音色是由发声体本身的构造及材质等内部因素所决定的,但也不能忽视如下因素:弹奏者的触弦角度、戴不戴义甲、弹奏者的演奏技法、大气温度湿度等因素对于音色的影响。外界环境比如气温、湿度等变化对乐器音色的影响了。这对今天习筝者保护存放自己的乐器有着很大的启发。对于古筝来讲,我们不能将其放于过潮或者是过于暴晒的地方,而应该放于通风阴凉并且干燥的地方;在弹走完乐曲存放古筝时,不能用湿布擦拭琴弦以及乐器的器体,而应该用长毛刷清扫面板等处的灰尘等等。
现代筝多用钢弦或尼龙缠弦,这不仅仅是因为它有着良好的物理性能,柔韧耐压(能够承受较大的压力以及张力),还在于它的声学性能。总体而言,钢弦、尼龙缠弦音色清脆明亮,但是位于不同音区的筝弦,由于粗细不等,故又有着各自的音色特点。一般来讲(以现代通用的21弦s型古筝为例),其高音区尖锐明快,听起来有些虚薄;中音区的弦沉实饱满,委婉悦耳;而低音区的弦则低沉浑厚,柔和厚重。
o(∩_∩)o...
http://chinaqupu.com.cn:8080/html/edu/
去这个网看看
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