Monday, January 18, 2016

Re: [Avid-L2] Current Day Reliability of SR Tape Stock?

 

Check your stock source. When the tsunami hit in Japan and the main SR tape factory went offline, there was a rush on SR tape here in the states. I managed to secure a bunch of new stock, which has all been fine. But I also managed to secure a bunch of de-magnetized used stock. This has been the source of any errors I've seen outside of machines being out of spec (which in my experience is so much rarer than ever before - the SR decks (5500) have been the most solid decks I've ever used). I think SR tape is so tightly packed with particles that de-magnetizing either doesn't quite get it or manages to damage the tape in spots. Luckily I haven't had to use any of this stock in critical use - and I still have a bunch of stock left over from that rush a few years ago. The industry took it upon ourselves at that moment to up our game into file based delivery for the most part. I honestly think if that flood didn't happen, the file based delivery thing would not have taken off so rapidly.

On Mon, Jan 18, 2016 at 6:01 PM, John Moore bigfish@pacbell.net [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
 

I've been working on a four episode series and we've had at least 3 instances of tape hits and or bad tape on the master clones.  On most I could either relay the video or worst case reblack the tape and reoutput.  One tape I definitely confirmed tape damage as it still showed the hit at approximately the same time code after being reblacked.  To me 3 out of 4 episodes with clone issues tape hits and or channel errors would point to a faulty machine.  The facility has recently had the machines serviced with new heads as needed so I'm at a loss to explain all the tape issues.  In my personal experience with SR tape over the last 10 years or so I've only had a handful of damaged tapes.  I've had issues with Avid punch outs causing a tape anomaly at the out point but that can be repaired with an assemble edit.

The dub facility told me that "Everyone" knows there is a certain percentage of SR stock that will be bad and even the networks are aware of this.  I can't refute the experience of another person or facility but that just hasn't been my experience.  I was also told that bad tape stock is so common the Tape vendors will no longer warranty SR tape stock and you have to return it directly to Sony for any warranty related issue.  I've never heard of this before but I'm not in the tape dubbing business.

I spoke with a co worker who actually managed a dub facility from 2006 to 2012 and he said in that entire time they probably had 5 tapes that were actually damaged.  So I'm curious is there nowadays more problems with SR stock than I've been experiencing?  Could the EOL of SR decks contribute a lower quality of available tape stock.  We are talking new stock not the used evaluated stock.  I'm curious what others have been experiencing with SR tapes and also machine to machine interchange.
 
John Moore Barking Trout Productions Studio City, CA bigfish@pacbell.net


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Posted by: Mark Spano <cutandcover@gmail.com>
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