中央音乐学院民乐系郭雅志设计研制的唢呐活芯,今年2月27日在北京通过了文化部教育科技司组织的技术鉴定。芯子是唢呐的重要部件之一,其上装哨片,下接主体管。传统的芯子为单管式。郭雅志设计的活芯为活动套管式,可以伸缩改变长度,复位靠弹簧的作用。演奏时,通过双手向上推顶,压进活芯,便能奏出临时变 Central Conservatory of Music Guo Yazhi designed and developed Suonahuoxin, February 27 this year in Beijing passed the Ministry of Culture Education Technology Division organized the technical appraisal. The core is one of the most important parts of a suona, which is fitted with a reed and the next main tube. The traditional core is a single tube. Guo Yazhi designed live core for the activities of the casing, you can change the length of the telescopic, reset by the role of the spring. Playing, pushed up by his hands up, pressed into the living core, they can play a temporary change