Loud Burst of White Noise When Opening PT LE Session

jeff deff · 14th October 2006, 03:47 PM

Hello,

I am running Protools LE v7.1cs8 with a Digi002R on a G5 1.8Ghz mac with OS 10.4.5. Recently when I open sessions a huge, enormously loud burst of white noise that lasts a few seconds occurs. It sounds like it is running through reverb too. It's like someone threw a guitar amp with spring reverb against the wall. The sound is so loud it makes me afraid I will blow out my speakers, not to mention it makes everyone in the room jump as if someone just fired a 357 magnum in the room.

The sessions I am opening are 24 bit 88.2k AIF sessions. Recently I started to use insert buses for reverb. My Dverb plug in will be on a stereo aux input channel, and I will use the bus sends to send audio to this reverb channel. Could this sound be caused by having reverb on a Aux Input channel that is fed by a bus? It is not setup in a feedback loop.

This sound only occurs while a session is starting up. Then everything is fine.
Anyone experience something similar to this?

Thanks
Jeff

chrisp2u · 15th October 2006, 12:07 AM

I had issues with a white noise blast when I was using an external FW drive that wasn't quite up to the task. It couldn't handle the throughput required apparently (didn't have the oxford chipset for the FW controller). When this occured it was pretty random for me... wasn't just at the beginning.

I remember there were also issues with white noise when using an earlier version of the Waves plugins too.

There've been some recent posts on the DUC about this as well (like this one: http://duc.digidesign.com/showflat.p...Number=1026947 ).

A few things to look into. If nothing in the above does the trick, I'd search around the DUC some more.
---
c

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14th October 2006, 03:47 PM	#1
jeff deff Gear nut Join Date: Nov 2005 Location: Chicago, Ill. Posts: 124	Loud Burst of White Noise When Opening PT LE Session Hello, I am running Protools LE v7.1cs8 with a Digi002R on a G5 1.8Ghz mac with OS 10.4.5. Recently when I open sessions a huge, enormously loud burst of white noise that lasts a few seconds occurs. It sounds like it is running through reverb too. It's like someone threw a guitar amp with spring reverb against the wall. The sound is so loud it makes me afraid I will blow out my speakers, not to mention it makes everyone in the room jump as if someone just fired a 357 magnum in the room. The sessions I am opening are 24 bit 88.2k AIF sessions. Recently I started to use insert buses for reverb. My Dverb plug in will be on a stereo aux input channel, and I will use the bus sends to send audio to this reverb channel. Could this sound be caused by having reverb on a Aux Input channel that is fed by a bus? It is not setup in a feedback loop. This sound only occurs while a session is starting up. Then everything is fine. Anyone experience something similar to this? Thanks Jeff

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15th October 2006, 12:07 AM	#2
chrisp2u Lives for gear Join Date: Mar 2006 Posts: 552	I had issues with a white noise blast when I was using an external FW drive that wasn't quite up to the task. It couldn't handle the throughput required apparently (didn't have the oxford chipset for the FW controller). When this occured it was pretty random for me... wasn't just at the beginning. I remember there were also issues with white noise when using an earlier version of the Waves plugins too. There've been some recent posts on the DUC about this as well (like this one: http://duc.digidesign.com/showflat.p...Number=1026947 ). A few things to look into. If nothing in the above does the trick, I'd search around the DUC some more. --- c