A MEMS sound transducer element operable in an audio and an ultrasonic range, comprising: a first electrode structure, wherein a conductive material of the first electrode structure comprises a plurality of electrically isolated electrode segments (111, 112), wherein the first electrode structure comprises a dielectric separation structure provided in the conductive material of the first electrode structure for providing the plurality of electrically isolated electrode segments (111, 112) of the first electrode structure, wherein the dielectric separation structure comprises a gap in the conductive material of the first electrode structure, which gap is filled with a dielectric material, a second electrode structure spaced apart from the first electrode structure, wherein an air gap exists between the first and second electrode structures (101, 102), wherein the first electrode structure is a counter electrode and the second electrode structure is a membrane element of the audio sound transducer, wherein the first electrode structure and the second electrode structure are operable as an audio sound transducer, wherein a first subset of the plurality of electrically isolated electrode segments (111, 112) of the first electrode structure is, in conjunction with the second electrode structure, operable as an ultrasonic or audio emitter, and wherein a second subset of the plurality of the electrically isolated electrode segments (111, 112) of the first electrode structure is, in conjunction with the second electrode structure, operable as an ultrasonic or audio receiver. a first electrode structure, wherein a conductive material of the first electrode structure comprises a plurality of electrically isolated electrode segments (111, 112), wherein the first electrode structure comprises a dielectric separation structure provided in the conductive material of the first electrode structure for providing the plurality of electrically isolated electrode segments (111, 112) of the first electrode structure, wherein the dielectric separation structure comprises a gap in the conductive material of the first electrode structure, which gap is filled with a dielectric material, wherein the first electrode structure comprises a dielectric separation structure provided in the conductive material of the first electrode structure for providing the plurality of electrically isolated electrode segments (111, 112) of the first electrode structure, wherein the dielectric separation structure comprises a gap in the conductive material of the first electrode structure, which gap is filled with a dielectric material, a second electrode structure spaced apart from the first electrode structure, wherein an air gap exists between the first and second electrode structures (101, 102), wherein the first electrode structure is a counter electrode and the second electrode structure is a membrane element of the audio sound transducer, wherein the first electrode structure and the second electrode structure are operable as an audio sound transducer, wherein a first subset of the plurality of electrically isolated electrode segments (111, 112) of the first electrode structure is, in conjunction with the second electrode structure, operable as an ultrasonic or audio emitter, and wherein a second subset of the plurality of the electrically isolated electrode segments (111, 112) of the first electrode structure is, in conjunction with the second electrode structure, operable as an ultrasonic or audio receiver. wherein a first subset of the plurality of electrically isolated electrode segments (111, 112) of the first electrode structure is, in conjunction with the second electrode structure, operable as an ultrasonic or audio emitter, and wherein a second subset of the plurality of the electrically isolated electrode segments (111, 112) of the first electrode structure is, in conjunction with the second electrode structure, operable as an ultrasonic or audio receiver.