| 摘要 |
PURPOSE:To switch two speakers incorporated in a TV receiver main body with satisfactory operability and activity from a normal sound filed reproduction circumstance to a real directional sound field reproduction circumstance by switching the two speakers for a center signal reproduction and a normal stereo. CONSTITUTION:The hot line and cold line of an input terminal 1 are connected with the input terminals a1L and a2L of a changeover switch 4, and the hot line and cold line of an input terminal 3 are connected with the input terminals a1R and a2R of the switch 4. And also, the hot line and cold line of an input terminal are connected with the input terminals b1L and b2L of the switch 4, and the hot line and cold line of the input terminal 2 are connected with the input terminals and b2R of the switch 4. Then, a speaker 5 is connected with the L side output terminal of the switch 4, and a speaker 6 is connected with the R side output terminal of the switch 4. The speakers 5 and 6 are incorporated in the TV receiver main body, and the switch L and R side terminals are switched to the terminals with (a) and (b). |
