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筝作为中国传统民族弹拨乐器有着悠久的历史以及良好的发展趋势。2010年我国生产筝数量为19.66万架,约占民族乐器生产总量的28%①;据不完全统计,全国筝演奏学习者已超过300万人。由此可见,筝凭借其音色优美、易于演奏等优势被广大民族音乐爱好者所认可。然而笔者通过调查发现,很多筝演奏者对筝的音高稳定性能并不满意,其主要表现为在乐曲进行之中音高经常出现音高偏离(俗称跑弦)。这种缺陷经常使演奏者陷于尴尬。虽然演奏者可以通过移动琴码和按压等技巧调整音高,但在一些快速乐段进行中这种调整难度极大。
Zheng as a traditional Chinese national plucked instrument has a long history and good development trend. In 2010, the number of kites produced in our country was 196,600, accounting for 28% of the total national musical instrument production. ① According to incomplete statistics, more than 3 million learners of the zheng played throughout the country. This shows that Zheng with its beautiful sound, easy to play and other advantages by the majority of national music lovers recognized. However, through the investigation, I found that many zither players are not satisfied with the stability of zheng’s pitch. The main performance of the zither is that the pitch often deviates from the pitch (commonly known as running). Such defects often make the player in embarrassment. Although the player can adjust the pitch by moving the keys and pressing techniques, this adjustment is difficult in some fast passages.