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#1
02-22-2006, 05:11 PM
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HPF = high pitched whine
I noticed something odd the other day. I was wearing cans and had the volume cranked as I instiated a single-band EQ3 for a highpass filter. When I engaged teh filter, I heard a clear high-pitched tone/whine.
I swtiched over to a Channel G HPF and got the SAME whine when engaging the HPF. What's going on here?
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It's not rocket surgery 
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#2
02-23-2006, 12:14 AM
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Re: HPF = high pitched whine
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...for system configuration info see my profile (Click on member name)
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#3
02-23-2006, 07:34 AM
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Re: HPF = high pitched whine
Quote:
Sonny Keyes Ricochet Post Toronto
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Sonny Keyes Toronto http://www.sonnykeyes.ca Rig 1: 2.8GHz Macbook Pro PT 12.7.1 Logic 10.3.2 Scarlett 18i20 Rig 2: 2.66 QuadCore Intel Xeon Logic 10.2.0 Scarlett 18i20 PTHD10.3.10
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#4
02-23-2006, 09:02 AM
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Re: HPF = high pitched whine
Very funny, but no. The high pitch kicks in only when I engage the HPF filters of the plug-ins I mentioned. I'll run a couple more tests in the next few days and check to see if it's getting printed.
Like I said earlier - it's way down there in volume, not something you'd necessarily notice on a busy rock mix if you were to just pop a HPF on the guitar bus, etc. But, if you're listening in cans with the volume (temporarily) cranked, you can hear it plain as day.
__________________
It's not rocket surgery
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#5
02-23-2006, 09:53 AM
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Re: HPF = high pitched whine
Strange. . . I have heard something like this in one setup and it was related to the CRT Monitor and external cabling or grounding. As soon as the screen changed, in a certain way, a high frequency noise showed up.
What happens if you turn up the input or output gain on the plugin? Does it get louder?
__________________
...for system configuration info see my profile (Click on member name)
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