Control device, control method, program and control system

Abstract

To output voice in accordance with a display mode when a part of a document is hidden.SOLUTION: A control unit of an electronic dictionary (control device) controls a problem area 22 of a problem display screen 151 so that a part of an example sentence (document data) is not displayed as a non-display part 22A. When the control unit causes a voice output unit to output voice related to voice data corresponding to the example sentence in a state where the non-display part 22A is not displayed, the control unit controls the voice output unit to output a part of the voice (non-display corresponding portion) related to the voice data, which corresponds to the non-display part 22A of the example sentence, in silence or in a predetermined common sound.SELECTED DRAWING: Figure 4

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