笛子制作频率计算

管半径（mm）壁厚（mm）吹孔半径（mm）音孔半径（mm）0.6R两前出音控间距前后出音孔间距前出音孔到管尾端距离管身平均半径平均壁厚吹端尾端吹端尾端10.510.5445.556.315.025.025.0010.54.0△指△双δ1δ2双55.134.254.715.2大G大A大降B大cDEFGABb小c笛子调性基音频率（Hz）294330349392440494523587659698784d1e1f1g1a1b1c2d2e2f2g2长度计量单位：mm孔序频率有效管长△Lδ2实际管长后出音孔330515.20445.31370458.956.234.3370.02416408.950.133.2321.03440385.922.925.9305.44494343.842.131.5257.65555306.337.530.4221.26623272.933.429.3188.9膜孔856198.574.436.9107.00.2402954309注：本数据计算依据为赵松庭先生有关笛子频率计算公式，计算温度为15摄氏度，经本人几次实际制作，基本吻合，如有兴趣不仿试试：