Aptovision said that more than 25 manufacturers now incorporating its BlueRiver NT and BlueRiver NT+ AV-over-IP chipsets into more than 35 AV signal distribution products. The latest companies to feature AptoVision-based designs are HDCVT Technology and Tonlyware Technology from China; Meiko from Japan; Ophit from Korea; and Arista Corp. and Zigen from the US.