Nasty digital distortion in copied audio files

[digidesigner]

I have seen this several times and thought it was the USB stick's fault or something like that, but now when I'm copying a session from one of my own HDD to another I can clearly see it is an system or Pro Tools error.

Doing import audio or "save session as" I will get short nasty digital spikes/distortion in some of the files. Has anyone else seen this or can guide me to whats going on? Might it be HFS-to-NTFS issue?

[digidesigner]

I just realized that the original session is ruined as well cause I did "Compact" before "save copy as".

[DigiTechSupt]

How are you checking the integrity of the audio files? Just in Pro Tools? Does the audio play fine in other apps?

If they don't play fine in other apps - most likely this is a hard drive or cable defect, failure or a bad connection somwhere in the chain.

[digidesigner]

Originally Posted by DigiTechSupt

How are you checking the integrity of the audio files? Just in Pro Tools? Does the audio play fine in other apps?

If they don't play fine in other apps - most likely this is a hard drive or cable defect, failure or a bad connection somwhere in the chain.

I'm looking into this... I don't get any errors and I also don't get any problems when tracking. I do get spikes of noise on import and as it seems when doing Compact function as well. I will try to see what happens in the other programs, but to be honest I keep my machine clean and there is only itunes and thats it on my system. No internal audio card... I'll export the bad file to see whats up

[Blackthorn]

Experiencing the same problems here it's a PT 10 issue the same file plays fine when imported into Studio One, however when I import the same audio file into a PT it all distorted.

[digidesigner]

Ok so it seems in PT10 I'm getting random digital zip's in random places of some audio files that actually are NOT in the file, meaning if I close and re-open the session the problem is not there anymore.

Bad RAM? Bad Pro Tools?

[digidesigner]

And the again some other files have them errors written in.. like two hour live recording I did has them written inside at some locations.

I honestly do not believe they are HDD related as I'm getting zero errors from Windows about HDD's being bad. But can it be RAM?? I believe new PT will record takes first to ram and writes to HDD after that? So if RAM is bad the errors in RAM will be written to HDD?

My computer is still under warranty, is there ANY good software that could tell if RAM is bad? The built in W7 ram check does not find errors.

[digidesigner]

Please digithech or anyone, give out ideas what might be going on. Is it PT10 with it using RAM? Can I turn it off? For me this has turned into a nightmare as these distorted parts are not under any control and any consolidation or mixdown can include clicks at random places!

I have just been rejected files that are CD masters for three disks that include digital noise in different parts of the files. A new mixdown cannot help as the errors might or might not appear in any new location.

Pre- PT10 I have set the Widows swap file to zero as I have 16gb of memory, could that be an issue now? EDIT: Tried setting swap file back to Windows managed - no change, still clicks

Is there a way to turn off this new way of memory management in Pro Tools 10? EDIT: Tried setting Cache Size to Normal - no change, still clicks

[digidesigner]

This is how it sounds:

http://dl.dropbox.com/u/11182503/PT_clicks1.wav

http://dl.dropbox.com/u/11182503/PT_clicks2.wav

500kb files