[ddots-l] Re: gord latency Re: New computer, help needed

Stacy wrote: Hi Bill,

I am using the Presonus Firepod audio controller.  The multiprocessing
option is not checked.  I have run the wave profiler a few times.

Phil replied: check the "use multiprocessor engine" option in the audio options 
dialog box.  Then, 
go into your sound card control panel.  Remember that when using WDM drivers, 
there are two places 
where latency is affected.  Most people don't remember that.  Set the slider in 
your sound card to 
at least 64 buffers.  I have never found any system where you can run with any 
buffer settings lower 
than that.  Now, go back into Sonar and set the slider in the "audio options 
dialog box" to 0%. 
Reprofile your sound card then, raise the slider to at least 3%.  This should 
give you latency of 
5.8MS.  You can check that with the Jaws cursor in that dialog.  That should 
cure it.  If not then, 
we shall have to dig a bit deeper.

Stacy wrote: my system is 2.8 dual core processor, 2 GB RAM.  It seems that the 
drop outs
start after there are more than 24 tracks with 4+ soft synths.

Phil replied: My system is slower than yours and I am not getting drop outs.  I 
use a core duo 2.13 
GHZ here and run 40 plust tracks with 4 instances of DR-008 running DFH.  I am 
not at all surprised 
that your getting drop outs.  You aren't using the "multiprocessor engine" 
which, you definitely 
should be as that will give you a lot more CPU power.  In other words: you 
aren't fully utilising 
your system at all.  The advice that you have been given not to use the 
"multiprocessing engine" is 
flat out wrong.  If there were as many issues as Bill and others seem to think 
with this then, 12 
Tone Systems would be flooded with htech support calls which, they aren't.  
Thus far the only 
sensible post I have scene on this was from Gord.  Gord was right on when he 
stated that you can't 
use Live Synthe Pro with the "multiprocessing engine" enabled.

Stacy wrote: I am also running some effects such as reverb, delay and 
compression but all are
assigned through 4 tidy bus sends.

do you think that this is simply the maximum number of tracks and soft synts
I can use and still expect consistent performance?  Or do you think there is
some majic tweaking I can do to improve performance?

Phil replied: you should be able to easily run all of that without dropouts.  
There's always 
twiquing that you can do on a system.

Regards, Phil Muir
P J Muir Productions
Music And Audio Production
URL:
www.philmuir.com/
Band website:
www.steelstringmusic.co.uk/
Band my Space Site:
www.myspace.com/steelstringmusic 


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