How to streaming 2channel simultaneously by one set encoder?

What is HDMI& RCA output simultaneously?

For example, there are two channel signal regarding HD& SD signal input,

in general, you need two sets of video encoder to encode it. But one set just
finish it- HDMI+ CVBS video encoder, you can input your HD& SD signal( HDMI+ CVBS) and

output it with HD& SD ip output,it’s best solution for your HD& SD signal IPTV solution

Haiwei released a range of HDMI+ RCA output encoder, divided into two

series;

1. not simutaneously output, such as

2. simultaneously output such as