Figure 3.32 Transcode Service – Enable PSIP Pass-thru
2. Check the Enable PSIP Pass-thru box. The PID configuration is displayed.
3. Select the PID range and/or values to be passed through the Transport Stream.
3.7.15 DVB Subtitle Processing
DVB subtitles can be input to the AVP 4000 from an IP source. The AVP 4000 is
capable of passing through up to six PIDs containing DVB subtitles. These pass-thru
components may be added to services that are either transcode or encode. The
AVP 4000 is also capable of processing two DVB subtitle components allowing user
selected repositioning of the subtitles. In this scenario, on services in which video is
downscaled from HD resolutions to SD resolutions will have the associated DVB
subtitles downscaled appropriately.
3.7.15.1 How to Set Up DVB Subtitle Pass-thru on Encode Services
The AVP 4000 can pass through up to six DVB subtitle components. These
components arrive at the input of the AVP 4000 via IP, but can be added to outgoing
Transport Streams whose other components are being encoded from an SDI
source.
1. Set up the encode service according to section 3.7.5.
2. Set up the IP input according to section 3.7.10 paragraphs 6 and 7.
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