The ProgDVB 6.20 series have some problems:
1 - The parameters and the channels are stored incorrecty - the S2 parameter disapears (often);
2 - the kind of channell (tv, radio, data) seems to be wrong, when choosing to show only Tv, many tv channels disapear from list;
3 - many channels disapear from channel list and them return twice after a scan;
4 - the channel "can update" option is allways on, don´t know what´s the use of it, but it may be causing some ot the problems above;
5 - the S2 channels lock is problematic: in the same mux, some channels are easy to lock, others give 0 quality; sometimes even DVB-S channels don´t lock, without a reason;
6 - it´s impossible to delete single channels in progdvb (an old matter): wrong channels always return, you have to delete them again, and so on;
7 - AAC and AAC+ audio don´t work ok: sometimes speech is out o sync (delayed 2 or more seconds); changing from a AAC channel to another mute audio, it is necessary turn Progdvb off to recover AAC audio.
There´s other issues, but I hope these above can be solved, because that way the series is not good to main use (dvb reception).
#3
1 - The AAC issue is commom to the DVB and ISDB-T. It will work in the first channel tuned, but a change to another AAC channel makes disapear audio. It keeps ok if changing to a Mpeg or AC3 audio.
2 - the channel lists problems came with the new series: I scan a transponder and channels are saved, but some time after, channels disapear (S or S2) from list; the S2 option becomes cleared by itself; or they don´t lock anymore, a selected channel name wil not appear or open, it seems to be waiting something forever.
I tested with a TBS USB S2 receiver and a TBS 8920 pci card, the results are the same, in a notebook and a desktop.
2 - the channel lists problems came with the new series: I scan a transponder and channels are saved, but some time after, channels disapear (S or S2) from list; the S2 option becomes cleared by itself; or they don´t lock anymore, a selected channel name wil not appear or open, it seems to be waiting something forever.
I tested with a TBS USB S2 receiver and a TBS 8920 pci card, the results are the same, in a notebook and a desktop.
#4
I changed the audio renderer to "default wave out device", and audio is ok now, AAC and MPEG. 
The "default directsound device" renderer was causing the audio problems.
But it seems that the "microsoft demultiplexer" don´t work ok with AAC audio.
The "default directsound device" renderer was causing the audio problems.
But it seems that the "microsoft demultiplexer" don´t work ok with AAC audio.
#6
I use the HDMI card integrated in a ATI 4550 video card. The motherboard onboard audio is disabled.
After some time watching tv the delay of audio sync was noted, it´s still present.
After some time watching tv the delay of audio sync was noted, it´s still present.
#7
I observed in a AAC audio that when the video fades some instants and the audio keeps normal, when the video returns the audio is delayed. After some video pauses the delay can be of many seconds.