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Stereotool @ Kubuntu very very slow
https://www.forums.stereotool.com/viewtopic.php?t=5429		 Page 1 of 1
Author:  bassbounce [ Wed Dec 18, 2013 10:29 pm ]
Post subject:  Stereotool @ Kubuntu very very slow
Hello all,

Got my Stereotool 7.3+ installed at Kubuntu 12.04 lts 32 bit with jack2.
But the speed of stereotool is very very slow, if i use it on windows xp it its 20 times faster.
I have stereo output and rds output on my receiver and that works great but, if i hear the sound its sounds not good got much disortion in the voice of the singer.
I need to move too linux because it is much more stable, i cant stay only for stereotool on Windows.

My Linux experience is beginner, but as i indicated the stereo part works great and rds output too.
But if you listen to the song when i am transmitting, the vocals of the music sound gruff. Seems to me as if that my computer is too slow that sort of sound. However Stereo Tool is already at min while I'm on windows can use it at full with not much delay atc.


All drivers are installed.
My setup is
Dual core 2.6
4 gb ddr 2
M-AUDIO Revolution 5.1 192 khz support GT 7600 vid

I hope someone can help me :)
Sorry for my bad english, i am dutch but not many dutch people has stereotool on linux installed so i try here.
Author:  hvz [ Thu Dec 19, 2013 2:54 am ]
Post subject:  Re: Stereotool @ Kubuntu very very slow
Are you using a native Linux install or something in VMware? Because Jack doesn't work well in VMware and causes the CPU load to be huge (if you get it to work in the first place).

It might use a bit more CPU load than the Windows version (I'm using a different compiler), but the difference is not really big. So something else must be wrong. Can you run 'top' and check what is using the CPU? Maybe there are other things beside Stereo Tool there...
Author:  bassbounce [ Thu Dec 19, 2013 7:24 pm ]
Post subject:  Re: Stereotool @ Kubuntu very very slow
De load van de cpu is 80 procent inclusief alles.
Echter ga ik een zwaardere present draaien dan is het mis, en hoe langer stereotool aangaat staan hoe meer delay er komt.

Het geluid klinkt tevens vervormd, echter stuur ik niet te hard in.
Op windows heb ik geen enkel probleem met stereotool.
Author:  hvz [ Fri Dec 20, 2013 1:53 am ]
Post subject:  Re: Stereotool @ Kubuntu very very slow
Tja, ik heb hier een (vrij oude, E5200) Linux pc staan om mee te testen, als ik er Windows op draai moet ik de Quality slider al iets omlaag zetten, onder Linux nog wat meer. Dat de delay toeneemt -> weet je zeker dat 'ie niet groter en dan weer kleiner wordt?

Het geluid zou volledig identiek moeten zijn aan dat op Windows. Tenzij er intern iets crasht of zo... Heeft je systeem wel SSE2 support? (Als je de CPU even doorgeeft kan ik dat wel opzoeken).

Qua CPU load: De volgende versie van Stereo Tool heeft een flink lagere CPU load, dus wellicht gaat dat helpen. Komt er binnen een paar dagen aan.
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