Ya want to give us more information please?! Software application? Sound card? System?

Opus :D

sure..this is my stuff...

I'm using Mac PoweBook G4 1Ghz 2GB Ram.Presonus on Cubase LE!I recorded all my source in External Drive!!

I've done Multitrack Recording several times.i don't even have this noise problem..but currently i face this problem...just last week!!

I recorded 6 Track Audio Track at once.i just on the recording and i'm on stage..so i'm not sure got any noise when recording or not?but i'm sure there is noise problem when playback!!

let say....123....456...the parts whend sound recoreded like 123 and 456 the noise was appear...when no sound recorded'....'the noise disappear!!so i really don't know what's happening...

I always set my audio and disk buffering on highest mode!!256 for disk buffer and 1024 samples for audio buffer,am i set the wrong setting??

can u help me please,really need your help!!

thanks a lot!!

RAY