A control device including a control section configured to cause a sound output section to output sound in a case where it is determined that an operation is performed on an input section by a target object coming into contact with a contact region, the input section having the contact region touched by the target object, wherein the control section adjusts a sharpness peak as a control parameter for performing control in such a manner that the sound output section outputs the sound, the sharpness peak being a maximum value of sharpness indicating sharpness of the sound.