Complex sentence: ViVO can receive input from RCA or S-Video sources, and typically moves output over RCA, less commonly over S-Video however right now S-Video is more widely used for VIVO by both Nvidia and ATI.
Split into simpler sentences: ViVO can receive input from RCA or S-Video sources, and typically moves output over RCA, less commonly over S-Video. However, at this time, S-Video is more widely used for VIVO by both Nvidia and ATI.