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Experimental Verification of an Electrostatic Transducer with a Partitioned Back Electrode

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Electroacoustic transducers based on the condenser principle have usually a planar back electrode which is a one piece entity. The previous work studied theoretically the possibility of making the back electrode partitioned. Such an arrangement can be used in a design of the so called digital loudspeaker, when the sizes of the partitioned electrode are in the ratio of the powers of 2, but this is only a special case. The aim of this work is to study performance of a system modeling the electrostatic transducer with the partitioned back electrode by way of measurement on an experimental sample. Various combinations of signals are applied on the partitioned electrode and the transducer response is measured.

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AES - Audio Engineering Society