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music creation software question - Page 3

post #41 of 46
7/29/06 at 2:52am
Ubuntu Studio is a great site from what i have seen. I will correct something you said though BT, while Dapper does support decent latencies by default(Comparable in my experience to what I get on Mac for example) to get true low latency operation like what is capable in Linux you would need to apply Ingo's patch which at this time is not applied by default, which allows even better realtime performance. Ubuntu I believe is working on slowly merging this into future versions(Eft maybe?) but at the moment it is not included. There was also talk of a multimedia varient of Ubuntu with this enabled to not take chances on the main distributions, there are people arguing both sides of that every time it is brought up trust me

But at any rate Ubuntu is capable of decent performance, though better is definitly possible.

Seablade
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post #42 of 46
7/29/06 at 12:13pm
Quote:
Originally Posted by seablade
you would need to apply Ingo's patch
Is it possible to patch the default kernel so nothing breaks? Making kernel changes in Gentoo was so easy, i'm just not sure how to do it in ubuntu. I know compiling a vaniliia kernel is going to break tons of things.
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post #43 of 46
7/29/06 at 3:35pm
Yea Ubuntu applies a LOT of patches in their default kernel unfortunatly. You would want to fidn out what those patches were, apply them and the RT patch and see if anything breaks....

A LOT of work

So short answer I will go with no.

Seablade
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post #44 of 46
7/29/06 at 9:22pm
Quote:
Originally Posted by seablade
Yea Ubuntu applies a LOT of patches in their default kernel unfortunatly. You would want to fidn out what those patches were, apply them and the RT patch and see if anything breaks....

A LOT of work

So short answer I will go with no.

Seablade
That's what I figured. I'm having some success getting the us-122 working with jack (have to be careful cause wrong settings lock the system up). I have it working perfectly at 20ms latency(without qtjackctrl), which is too high. I have my audigy 2zs with only around 2.7ms, although I haven't recorded anything, but playback is fine.

So is 5ms realistic with out the full realtime config? Like I said the audigy seems to be working really low, but I don't know how well it'll work when I have a session with 50 tracks and effects. I also can't use the audigy because it doesn't support the connects I need. If I can get the us-122 down to 5ms with the kernel the way it is i'll be really happy. You think that's possible?
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post #45 of 46
7/29/06 at 11:18pm
Quote:
Originally Posted by bigtrouble77
That's what I figured. I'm having some success getting the us-122 working with jack (have to be careful cause wrong settings lock the system up). I have it working perfectly at 20ms latency(without qtjackctrl), which is too high. I have my audigy 2zs with only around 2.7ms, although I haven't recorded anything, but playback is fine.

So is 5ms realistic with out the full realtime config? Like I said the audigy seems to be working really low, but I don't know how well it'll work when I have a session with 50 tracks and effects. I also can't use the audigy because it doesn't support the connects I need. If I can get the us-122 down to 5ms with the kernel the way it is i'll be really happy. You think that's possible?
Possible probably.

I am more worried about you saying your system is locking up with incorrect settings, for it to lock up your entire system I think I might start looking at your drivers(Alsa in this case) and see if maybe there is a newer set out there as this seems like a pretty serious bug.

In as far as settings are concerned, take my guess with a grain of salt, just due to the fact that I havent run a kernel like that for audio in quite some time, therefore all my info comes secondhand.

Seablade
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post #46 of 46
12/25/06 at 7:17am
Try using FlexiMusic Composer, a multi-track program for composing, editing and mixing of music using sampled instrument sounds. It is comprehensible, affordable software.
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