| 摘要 |
PURPOSE: A board for switching multi-channel audio is provided to switch an audio signal between a multi-channel sound speaker including the 5:1 channel and an earphone or a headset. CONSTITUTION: A front input port(112) connects to the front output port(103) of a sound card(100). A rear output port(113) connects to the rear output port(104) of the sound card. A central woofer input port(116) connects to a central woofer port(105) of the sound card. A central woofer output port(117) connects to a woofer(129) among the multi-channel sound speakers. The front output port(114) connects to the front left/right speakers among the multi-channel sound speakers(125,126). The rear output port(115) connects to the rear left/right speakers among the multi-channel sound speakers(127,128).
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