3nd octave on Xiao flute

truong Novice Posts: 3	3nd octave on Xiao flute Sept 23, 2022 1:22:13 GMT Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by truong on Sept 23, 2022 1:22:13 GMT Hi everyone! I have a question for all to discuss: - What is affect to frequency of 3nd octave on Xiao flutes? Inside ID, finger hole diameter, addition holes, wall thickness, or other things?