converted into digital data by a d converter 9 the digital data is input to cpu 1 lip sensor 14 senses a biting strength by lips of an operator at mouthpiece portion 18 and a voltage representing the biting strength is detected by voltage detector 13 the detected voltage is converted to 8 bit digital data by a d converter 12 the digital data is input to cpu 1 musical tone generator 7 is connected to cpu 1 and generates a musical tone on the basis of control information from cpu 1 the musical tone generated by generator 7 is input to musical tone output unit 8 musical tone output unit 8 comprises amplifier 8 1 and loudspeaker 8 2 and produces a musical tone as a sound fig2 a and 2b show an outer appearance of an electronic wind instrument realized by the embodiment shown in fig1 as shown in fig2 a and 2b this embodiment has a shape of a wind instrument having tubular barrel 17 as a main body pitch designation switch group 2 tone color amp effect switch group 3 registration data selection switch group 6 containing selection switches m1 to m4 and wr and conversion table selection switch group 16 containing up and down switches 16.