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Descrambling with TBS6909

PostPosted: Thu Dec 29, 2016 7:22 pm
by RobCee
Hi,

I was originally looking at a MOI Pro AMD for putting 4 x TBS6909 cards in however I was advised that I wouldn't be able to descramble many channels on the MOI Pro AMD as it was not powerful enough as descrambling takes a lot of CPU power.

If I was to use a machine with 2 x XEON E5520 processors (dual quad core) would this be better? If so how many channels could I descramble with this at once?

Many thanks,
Rob

Re: Descrambling with TBS6909

PostPosted: Sun Jan 08, 2017 5:21 am
by snailbrain
afaik, you hardly need much CPU - only if you are trans-coding the video into a smaller format.

my raspberyr pi3 can descramble 4 channels at once no problem..

Re: Descrambling with TBS6909

PostPosted: Mon Jan 09, 2017 10:12 pm
by RobCee
If I have say 10-15 streams going with tvheadend with CAs would this not cause high CPU usage? I was told descrambling uses a lot by TBS

Re: Descrambling with TBS6909

PostPosted: Wed Jan 11, 2017 5:36 am
by snailbrain
think it's not that much..
don't know what cpu is in moi pro... but with my quad core xeon 1225 v3,
i don't see oscam going over 0.3% cpu descrambling 2 channels, but i think the work is done in tvheadend anyway..
tvheadend is showing about 10% CPU max, but hovers around 7% (of 1 core) with 2x HD channels, being descrambled.