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jackaudio realtime ... not starting?
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twobit
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Joined: 22 Jul 2011
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PostPosted: Thu Aug 29, 2013 4:28 am    Post subject: jackaudio realtime ... not starting? Reply with quote

So i am getting the

Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info.
Cannot connect to server socket err = No such file or directory
Cannot connect to server socket
jack server is not running or cannot be started


When i try to start the jack server with real-time enabled but it start great without, but the latency is horrible.
but researching says that there no longer is a way to setup the kernel for realtime?

how do i get realtime running?
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twobit
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PostPosted: Fri Aug 30, 2013 1:39 am    Post subject: Reply with quote

OK .. so i have managed to get it to start with realtime enabled.... not sure how

plays fine, but when I patch it through a equalizer (JAMin) it skips and lags like it cant keep up.

My Comp speed and MEM are not the issue.
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666threesixes666
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PostPosted: Fri Aug 30, 2013 2:50 am    Post subject: Reply with quote

is it a usb device? did you try to increase your buffers?
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twobit
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PostPosted: Fri Aug 30, 2013 3:19 am    Post subject: Reply with quote

JAMin is a program that works with jackaudio
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666threesixes666
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PostPosted: Fri Aug 30, 2013 3:37 am    Post subject: Reply with quote

yeah, more software you plug together the more buffer you will probably need. i suggest you check out qjackctl to manage your jack session and add to buffers, add a little bit of latency to keep the sound clean and clear.
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kurly
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PostPosted: Fri Aug 30, 2013 4:19 am    Post subject: Reply with quote

666threesixes666 wrote:
yeah, more software you plug together the more buffer you will probably need. i suggest you check out qjackctl to manage your jack session and add to buffers, add a little bit of latency to keep the sound clean and clear.

The original poster is asking about real-time audio. You are just taking wild guesses at things again.
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666threesixes666
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PostPosted: Fri Aug 30, 2013 4:25 am    Post subject: Reply with quote

http://imageshack.com/a/img834/8824/tn3g.jpg <---- wild guesses... my wild guess is if you do not have adequate buffer size, you will xrun & pop / crackle.

raise frame/period size, or periods/buffer, and it will go away....

read the jack xrun thread.... https://forums.gentoo.org/viewtopic-t-865771-start-0.html
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