Patent ID: 8666106
Filing Date: 2014-03-04
Classification: H04R,H04S

Abstract:
1. A sound reproducing device comprising: parametric speakers disposed to a display; a loudspeaker disposed to the display, the loudspeaker having a wider directivity than the parametric speakers; drivers disposed to the display for changing directions of the parametric speakers, respectively; a human-body sensor disposed to the display; and a controller connected electrically to the parametric speakers, the loudspeaker, and the human-body sensor, wherein the parametric speakers and the drivers constitute at least two parametric speaker units disposed to the display, each of said at least two parametric speaker units being composed of respective one of the parametric speakers and respective one of the drivers, and wherein the controller switches between a control of changing directions of the parametric speakers for reproducing sound information and a control of allowing the loudspeaker for reproducing the sound information based on a number of persons in front of the display which is detected from an output of the human-body sensor, such that the controller is operable to: