| 摘要 |
An apparatus for preventing a noise of a wireless microphone of a TV system and a method thereof are provided to block the operation of the wireless microphone selectively when the power of a TV is turned on and prevent the output of an unnecessary initial noise inputted from the wireless microphone. A control device includes a PLL(Phase Locked Loop) oscillation unit(107), a voice signal separating unit(108), a main controller(111), a voice compressing unit(112), and a CPU(113). When a TV system is turned on, the control device supplies driving power to the TV system in a state that a wireless microphone irrespective of a current setup state of the wireless microphone is turned off. A voice output device having an OP amplifier(109) and an audio jack(110) outputs or blocks a voice signal of the wireless microphone according to the control of the control device. |
