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Mac Forum / Applications / Virtual PC / October 2005



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"Attention Musicians" - Using Powertab and other notation programs w/playback sound.

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nickmatty@nickmatty.com - 29 Oct 2005 03:55 GMT
I just loaded Virtual PC and everything was going great until I tried
to listen back to midi notes played from Powertab and other musical
notation programs. The notes do not play back with out major
sluggishness. I have 1.5GB of ram. Does anyone have any suggestions?

Thanks, Nick Matty

www.nickmatty.com
Michael Vilain - 29 Oct 2005 07:16 GMT
> I just loaded Virtual PC and everything was going great until I tried
> to listen back to midi notes played from Powertab and other musical
[quoted text clipped - 4 lines]
>
> www.nickmatty.com

You've done all the "usual things" outlined in the VPC help to "optimize
performance of Windows"--changing display to Windows 98 mode with no
images or special effects including the Start and Control Panel,
removing themes and visual effects, and turning off remote desktop and
system restore.  Right?  

If so, I think you're seeing the nature of an emulator vs. a real live
machine.  You might try it on a G5, but other than that, I think you'll
have to live with this performance or switch to a real pc.

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DeeDee, don't press that button!  DeeDee!  NO!  Dee...

Unseelie - 29 Oct 2005 19:26 GMT
Midi is very, very sensitive to timing and interrupts... as such, I
would expect it to perform less than stellar, if at all within Virtual
PC.
smkatz@gmail.com - 30 Oct 2005 13:30 GMT
my answer is simple, having a little more Mac specialization: you
should get a virtual pc *card*.. something that physically goes into
your Mac. see http://www.macwindows.com.. they've been discontinued but
you might be able to get one on ebay. they're called "coprocessor
cards".

also, I question whether there isn't great native (Mac OS X) MIDI
software you can be using.

Please write back. I'd love to try and help you find a native app.

Oh, and the Intel switchover will fix the speed issues in Virtual PC.

Hope this helps.

--Sam
Paul Power - 30 Oct 2005 20:58 GMT
>Oh, and the Intel switchover will fix the speed issues in Virtual PC

Where did you get this information from? There has been no disclosure
from Microsoft claiming better speed and performance with VPC running
on Macs with Intel processors. In fact, I seriously doubt whether MS is
testing VPC on Intel-based Macs as yet, since they are still in the
development stages.
 
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