tickertape
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[Probably Solved] Problem backing up Audio folders
When copying .cwp project files and their associated Audio folders over to an external drive for backup, somehow that process introduces random hash-distortion spots into each of the Audio folder files.
Anyone seen this before ?
I'm using Sonar X1 Producer on Windows 7 with a 64-bit OS, Intel Core i5 CPU.
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Anderton
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Re: Problem backing up Audio folders
2014/11/12 21:54:08
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How are you doing the copying? I never heard of anything like that before.
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tickertape
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Re: Problem backing up Audio folders
2014/11/12 22:17:00
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I'm doing a simple drag and drop copy over to a folder on an external drive.
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scook
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Re: Problem backing up Audio folders
2014/11/12 22:35:09
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How is the backup being tested? IOW, is the copy on the external drive copied back to the HD for playback or is the backup being played directly from the external drive?
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tickertape
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Re: Problem backing up Audio folders
2014/11/12 23:28:43
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Actually, I tried doing it both ways, thinking there might be some issue with latency going over the USB connection, but examination of the copied Audio folder files showed that all of them were affected with what I'm calling these 'hash distortions'.
The original files on the computer's internal drive are all clean and unaffected, which is why I believe the cause must somehow be related to the copying process.
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scook
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Re: Problem backing up Audio folders
2014/11/12 23:45:52
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Have you tried backing up to a different location on the HD instead of the external?
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tickertape
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Re: Problem backing up Audio folders
2014/11/13 00:02:58
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No, haven't tried that yet, but I will first thing tomorrow. I'll let you know...
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tickertape
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Re: Problem backing up Audio folders
2014/11/13 11:46:52
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This morning I was able to back up the Audio folder to another internal drive without problem. Then I found I was able to back up to another external USB drive (a Maxtor drive) without problem. So now I'm thinking the problem may be isolated to this one specific external drive (a Toshiba 1 TB drive).
I suppose I could go test out other external drives (Seagates, etc.), but I've never seen this kind of thing happen to audio files (.wav) before in 10 to 15 years of audio work.
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Anderton
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Re: Problem backing up Audio folders
2014/11/13 12:15:11
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Just guessing, but maybe there's a RAM cache in the hard drive and there's a problem with the RAM.
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johnnyV
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Re: Problem backing up Audio folders
2014/11/13 12:20:30
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I have a Toshiba Canvio 2T External drive that I use to transfer between computer occasionally.
I just tested an audio file buy opening it in Wave lab and all is good. I don't think this is a brand issue but must be something wrong with that drive for sure. Bad sectors ?, is it full?
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tickertape
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Re: Problem backing up Audio folders
2014/11/13 12:23:33
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Could be a problem with the drive's RAM...not sure there's anything I can do about that, so I suppose it's time for a new external drive.
Just tested the situation with yet another external drive (a Seagate), and did not see the problem. So all indications seem to be pointing to problems with that one Toshiba drive.
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Anderton
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Re: Problem backing up Audio folders
2014/11/13 12:28:59
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How about I put "Solved" in the header?
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tickertape
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Re: Problem backing up Audio folders
2014/11/13 13:04:43
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I guess you could consider it solved, but I'm going to go buy a new drive today and test it out as well.
To JohnnyV: That Toshiba drive is only about 45% full, and I'm not sure I'd be able to write or read anything to/from bad sectors, if bad sectors were the problem. I also believe the drive directory is in tact, since all files show up and can be read, and the metadata for each individual file seems to be uncorrupted, since all will open and function.
This 'problem' only seems to show up when writing .wav files to this one drive...go figure !
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tickertape
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Re: Problem backing up Audio folders
2014/11/14 10:52:48
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Bought a new external drive yesterday. So far, not seeing the problem occur at all, after several hours of backing up.
My guess now is that the original drive was going bad, due to a problem with the drive's RAM cache, as Anderton suggested earlier. It's interesting though, that this problem only happened with .wav files.
Anyway, thanks to Anderton, scook and JohnnyV for your comments and suggestions.
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