ADV728x Video Decoders Analog Devices Inc. ADV728x video decoders are versatile one-chip, multi-format decoders that automatically detect standard analog baseband video signals compatible with worldwide NTSC, PAL, and SECAM standards in the form of composite, S-Video, and component video. The ADV728x video decoders convert the analog video signals into a YCrCb 4:2:2 video data stream that is compatible with the 8-bit ITU-R BT.656 interface standard.