Patent ID: 8903105
Filing Date: 2014-12-02
Classification: H04N,H04R

Abstract:
1. A video sound signal transmitting/receiving system including a transmitting unit for multiplexing a video signal and a sound signal and transmitting the multiplexing a video signal and a sound signal and a receiving unit for receiving the video signal and the sound signal from the transmitting unit, the transmitting unit comprising a transmitting block for multiplexing the video signal and the sound signal and transmitting it to the receiving unit and a channel number control block for controlling a number of channels of the sound signal transmitted from the transmitting block, the receiving unit comprising a receiving block for receiving the multiplexed video signal and the sound signal from the transmitting unit, a recording block for recording connection state information indicating speaker connection states, and hot plug means for changing a state of connection with the transmitting unit, wherein when connection state information recorded in the recording block of the receiving unit is changed, the receiving unit set disconnecting state with the transmitting unit by the hot plug means for a prescribed time period before transmitting the changed connection state information to the transmitting unit, and the transmitting unit controls the number of channels of the sound signal being transmitted from the transmitting block, according to received connection state information, wherein the prescribed time period is more than at least a dozen milliseconds.