古筝属于非固定音高乐器，随着演奏者在弹奏过程对弦施加的作用力以及气温、湿度、外力等因素的影响，古筝弦常出现“跑音”的现象，因此严格来说，每次演奏前都需要对弦进行调音，尤其是新购买的古筝更需要经常调音，大概坚持微调一个月左右，古筝的音色就会相对稳定下来。
Guzheng is a non fixed pitch instrument. With the influence of factors such as temperature, humidity, and external forces exerted by the performer on the strings during the playing process, the strings of Guzheng often exhibit a phenomenon of "running sound". Therefore, strictly speaking, the strings need to be tuned before each performance, especially for newly purchased Guzheng, which requires frequent tuning. After about a month of fine tuning, the tone of Guzheng will be relatively stable.
音准是古筝学习和演奏过程中的重要环节，但要具备较好的听觉和音准概念是需要进行专门而严格的训练，初学者可依靠古筝老师帮助调音，之后逐渐在学琴过程中泥杆 保定古筝 塑料增韧剂 拱形护坡模具 保定空调维修  托辊生产线训练能唱准、听准五声音阶、七声音阶后就可尝试自己借助标准发音器来调音了，下面以S型二十一弦古筝定调五声音阶为例
Tone accuracy is an important link in the process of learning and playing the zither, but to have a good sense of hearing and the concept of intonation requires special and strict training. Beginners can rely on the help of the zither teacher to tune, and then gradually in the process of learning the zither, train to sing accurately, listen to accurately the Pentatonic scale scale, and the seven tone scale, and then try to tune with the help of a standard pronunciation device. The following is an example of the S-type 21 string zither tuning Pentatonic scale