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  #1  
Old 06-23-2002, 03:42 PM
Bastiaan Bastiaan is offline
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Default Re: high pitched unexplicable "whine" in ProTools

must be a protools thing, not a mac/mbox thing. I experienced that once....and i run ptle with a pc and a digi001. The screaming only stopped when i quit ptle.....and i did a cold reboot to be sure. It never happened again....scared the living daylights out of me.....
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Old 06-23-2002, 04:08 PM
Slim Shady Slim Shady is offline
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Default Re: high pitched unexplicable "whine" in ProTools

It didn't sound like the screaming-blow-yer-brains-out-lie-bleeding-on-the-floor noise that has plauged others. He just described it as a whine, which is pretty tame compared to the sound I think you're referring to, that's why I suggested an OS/software problem.

phunk1, can you describe the noise more in depth?
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Old 06-23-2002, 04:15 PM
phunk1 phunk1 is offline
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Default Re: high pitched unexplicable "whine" in ProTools

It is a lite-scream, and its only audible when I crank the volume on the MBOx headphone jack all the way up. Its barely audible in my monitors(Mbox>Behringer mixer>Alesis Amp>Event monitors) even when the mixer main volume is *cranked*. The suggestion to upgrade to 9.2.2 is a good one, and one I expected, but I'm recording at the moment, and in 40 minutes, I'm going to try the upgrade. I just wanted to make sure it wasn't somthing simple that someone had already dealt with before I went to an upgrade of the OS. Do you guys have any tips on the upgrade to make it go smoother? Thanks for your thoughts so far...
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Old 06-23-2002, 04:19 PM
cecilsound cecilsound is offline
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Default Re: high pitched unexplicable "whine" in ProTools

Not familiar with the MBox, but you could check that your hardware is set to internal sync in the "Hardware" menu. My older PT system used to make that noise when it launched and had been switched (how, I don't know) to external sync with no other hardware to sync to. May not be the cause but worth checking.
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Old 06-23-2002, 04:23 PM
phunk1 phunk1 is offline
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Default Re: high pitched unexplicable "whine" in ProTools

I checked my sync-mode, and it was "S/PDIF", but when I changed it to internal, the "whine" remained.

thanks,
g
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  #6  
Old 06-23-2002, 05:32 PM
shaggy shaggy is offline
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Default Re: high pitched unexplicable "whine" in ProTools

Any other USB devices?

I'm guessing maybe a voltage problem.
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Old 06-23-2002, 05:36 PM
Bastiaan Bastiaan is offline
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Default Re: high pitched unexplicable "whine" in ProTools

ok.......another idea......are you using the supplied usb-cable?
I've seen posts of people who used different cables and got some interference from crt's, and the computer itself. Try relocating the usb-cable.......
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Old 06-23-2002, 05:38 PM
theom theom is offline
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Default Re: high pitched unexplicable "whine" in ProTools

I feel like i remember an issue with the internal modem. that was with 001 though.
try disabling the internal modem extentions , or in control panels set the modem sound to off.

a shot in the dark.
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  #9  
Old 06-23-2002, 09:51 PM
John J. John J. is offline
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Default Re: high pitched unexplicable "whine" in ProTools

another shot in the dark...

Although you haven't mentioned any external scsi or firewire drives for your audio, after daisy-chaining 2 new 120 gig IBM drives (ADS Pyro cases) with my 2 x 75 gig IBM drives(ADS Pyro cases) I immediately encountered a high-pitched whine through my main stereo bus. Somewhere in the 10-16K frequency.

After trying various fixes, it came down to my new daisy-chain connections (FW cable) to the additional drives. Hotswapping-then-unplugging the new drives from the older immediately solved the problem.

Grounding? Bad cable or cases? I'll hopefully have time to nail this week. Good luck!
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Old 06-23-2002, 09:59 PM
Percustard Percustard is offline
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Default Re: high pitched unexplicable "whine" in ProTools

Maybe it is the sound of the DUC in the background ;-}
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