German flute for use by children, has key with microphone capsule at trap perforated sheet, where perforated sheet is attached at microphone input of sound card of personal computer to transfer information about key positions to interface

摘要

The flute (A) has a key (B) provided with sensors, where the sensors are recorded and which are opened and closed. The key has a microphone capsule at a trap perforated sheet, where the perforated sheet is attached at the microphone input of a sound card of a personal computer, so as to transfer the information about the positions of the key to a parallel interface of the personal computer.