ProgDVB standard x64 v6.84.03 engine 5.148
OS: win7 x64
DVB-T/T2 card TBS6220
Country: UK
Demultiplexor: Prog
Audio Renderers: Prog

ProgDVB works normally with DVB-T channels

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when i switch to view a DVB-T2 channel such as BBC HD i get the following:

"Pin for connection not found
Stream type: AAC - Audio

Please check up Settings-> Options-> Video and Audio, Probably one
of necessary codecs is not chosen or not installed on your computer.

Second try:Error in default graph building!"

so i think, no problem ill it switch to one of my AAC codecs!
when i try this however, not all of the AAC codecs i have installed show up on the list. only 4 do, and none of these 4 work.

here is a screenshot: How do i know i have the codecs installed and ProgDVB is not seeing them?
When i use TBSViewer, it shows 8 codecs. TBSViewer plays back DVB-T2 channels such as BBC HD. When i checked the codecs in the same way on TBS Viewer i saw the following:
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So whats my problem you ask, why dont i just use TBSViewer to watch HD?
Answer: The prog demux is FAR superior and i prefer the ProgDVB interface.

Any solutions please? thanks for any help.

Use ProgDVB x32 for use same collection of codecs like on other screen.

ps: I am like divx aac codec.

thank you for your fast reply, using the 32bit ProgDVB solved the problem.

(i take it the codecs i wanted were not 64-bit)

I had the same problem watching DVB-T Hungarian chanels and listening Hungarian DVB-T radio stations (MPEG4 - HE-AAC v1 audio). Finally setting audio AAC decoding for LAV audio decoder solved the problem.
Before that I had to set in LAV x64 Audio Configuration program to use LAV for decoding AAC on the Formats tab.
So finally I sayed at 64 bit version.