The vertical bass flute manufacturer tells you that the pronunciation of the flute is the same as that of the Chinese flute, and it belongs to the edge sound pronunciation.

Vertical bass flute manufacturers simply put it that when we blow air at the mouthpiece, the sound is produced due to the collision of the airflow in the tube, and the resonance tube resonates. Therefore, the shape of the mouth and the blowing angle when playing have a direct impact on the timbre. Vertical bass flute is a twelve well-tempered instrument. If you press all the sound holes, the lowest note of the flute will be emitted. From the bottom end, each sound hole will be raised by a semitone. But in the upper register, staggered fingering is required.
The vertical bass flute manufacturer tells you that the pronunciation principle of the flute is more special than other musical instruments. It is caused by the pressure change of the continuous positive and negative pressure at the blowing hole to excite the gas spring to make sound. The included angle has a considerable effect, just as the wind blows thin wires differently from thick wires.
The smaller the included angle is, the easier it is to play and the more high frequencies are, and the larger the included angle is, the more laborious and low frequency it is to play, which also affects the timbre effect of the three octaves relatively. The vertical bass flute manufacturer tells you that the smaller the angle, the brighter and brighter the tone is, the bass is less powerful due to less low frequency, and the treble is easy to get out of control and blow into an overtone or a sharper or thinner tone. Vertical bass flute manufacturers tell you that if the angle is large, the sound will have a dull feeling.