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I don't know if this topic has been placed on this forum before, but here is my story anyway.. I have been trying to use Sonar7 to record my drums intoan audio track as well as recording the Midi info to print score. I also connected a Behringer external usb sound card so that I could record a sep sound track ( Ipod) and do this all at the same time.. apart from getting rid of latencey I was getting a lot of noise (digital) I relised that the power supplies for laptops are cr-p and I use an aftermarket power supply at the correct voltage and current rate. It fixed the proplem and all the noise was gone 
. However 3 days later the power supply went bang and blew up my laptop 
. Even worse a new motherboard for my unit was $600.00 
Anyway I have another laptop now and I got the horrid noise back... Well advice to all is very simple.. If you have noise on your laptop when recording your music and drums, there is a VERY easy way to fix it..
After all that has happened to me I decided to cut off the earth pin on m Australia power plug of the laptop.. ALL the noise is now gone. As the power pack is fully sheilded and is a plastic housing, I would suggest it would be safe to no have the earth pin. Not a lot different to a desk side lap that has no earth pin... Any way some may not agree with this part, but make your own choice.. My noise is gone and I am getting great recordings using my external and internal sound cards..
I also have one stuffed up laptop that smells like burnt toast.... Oh well,, Stuff like this keeps life interesting...and exspensive..
Mardy
. However 3 days later the power supply went bang and blew up my laptop . Even worse a new motherboard for my unit was $600.00 Anyway I have another laptop now and I got the horrid noise back... Well advice to all is very simple.. If you have noise on your laptop when recording your music and drums, there is a VERY easy way to fix it..
After all that has happened to me I decided to cut off the earth pin on m Australia power plug of the laptop.. ALL the noise is now gone. As the power pack is fully sheilded and is a plastic housing, I would suggest it would be safe to no have the earth pin. Not a lot different to a desk side lap that has no earth pin... Any way some may not agree with this part, but make your own choice.. My noise is gone and I am getting great recordings using my external and internal sound cards..
I also have one stuffed up laptop that smells like burnt toast.... Oh well,, Stuff like this keeps life interesting...and exspensive..
Mardy
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