Patent ID: 9007419
Filing Date: 2015-04-14
Classification: G09G,H04M,H04N

Abstract:
1. An audiovisual apparatus for reducing echo, comprising: an audiovisual capturing unit including a video capturing unit for capturing video data, an audio capturing unit for capturing audio data, a signal processor module, and an output port, an audiovisual broadcast unit including a video display, an audio broadcast unit, and an input port, a transmission cable module connected between the output port of the audiovisual capturing unit and the input port of the audiovisual broadcast unit, wherein, the video cable group has a transmission cable for transmitting electric power, a pair of transmission cables for transmitting differential signal, and a transmission cable for grounding, the audio cable group comprises a transmission cable for providing a digital clock for the audio signal, a transmission cable for providing a clock when the audio signal switches between a left audio channel and a right audio channel, a transmission cable for inputting serial audio signal, and a transmission cable for outputting serial audio signal.