| 摘要 |
A pitch adjustable trumpet shell is provided to generate exact sound according to the musical scale, and to control the pitch according to an attached position of a sound control film. A pitch adjustable trumpet shell comprises a turban shell(110), a mouthpiece(120) and a sound control film. The mouthpiece is integrally formed with a coupled part fixed to a tail of the turban shell and a lip contact part for being injected by outside wind. The sound control film for controlling the pitch is attached so that height, width and an attached position thereof are controlled from a farthest outline of an opening part to the tail. |
