A native scripting language allows AirBox or third-party applications to produce scripting in TitleBox. This language is described in the TitleBox API. Alternatively, a simplified titling automation engine is available through the AirBox graphic ...
For Standard definition MPEG 2, 3,75mbps and for HD high 15mbps including audio. But keep in mind that a transport stream by default has no mechanism to recover from packet loss. It needs a wrapper like RTMP, RTSP, SRT, MPEG dash