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aRTS and clipping sound

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d-Orb

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Wednesday, October 8th 2003, 3:25pm

aRTS and clipping sound

Hi!
I have not used kaboodle, noatun et al. so because of aRTS: the clipping was terrible: it was impossible to listen to a single song (mp3/ogg) without clipping!

The other day, I installed JuK. I loved the program, and started using it. However, it uses aRTS, so I have the same problems with clipping as before. It gets worse: if I minimise the juk window, the noise is unbearable.

XMMS and mpag123 have no problems with clipping. I am also using the Linux low latency patches, which I presume should help. Looking at the list of processes, the arts daemon is run as
[code:1]/usr/bin/artsd -F 17 -S 4096 -b 16 -s 60 -m artsmessage -l 3 -f[/code:1]
I am running KDE 3.1.4 on Debian Sarge (i386), btw

What's the best way to optimise aRTS performance then?

d-Orb

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Thursday, October 9th 2003, 8:36pm

Solved!

I have finally gone some way in solving the problem. I had forgotten to renice the X server (in Debian, it runs with a value of -10). As such, the problem wasn't on arts itself, but on the kernel (ck2 patches). Output from arts is still not great but... it's improving :-)