Q: Many television programs indicate they are “closed captioned” for the hearing impaired. What must one do to receive this service? A: You need a closed caption decoder, which looks like a cable box ...

Optimised for decoding H265 and H264 video streams, GV-Decoder Box Ultra supports displaying 64 IP videos in sequence or in 4, 6, 8 and 9 matrix view. The security administrator can monitor live ...