Sorry about the "loose"spelling in my original post. The past was
created using web-mail where there is no spooling or grammar connection
At least, that's my story and I'm sticking to it!
Corey "sometimes known as Carey" Bailey
On 2/3/2012 10:20 AM, Dennis Rooney wrote:
> So far, the most interesting aspect of this thread is the spelling errors,
> e.g. "nothing to loose", "won't effect". I hope they are merely
> orthographical and not due to impoverished vocabularies.
> Never having had to desiccate a DASH tape, I was pleased to learn that 118F
> produced a satisfactory playback. 130F for eight hours was the rule of
> thumb in use when I last concerned myself with the process. Sony DASH tape
> was highly prone to digital faults. I remember doing a labor-intensive new
> mix for Sony Classical in 1992 of the Bernstein/NYPO Liszt *Faust
> Symphony*on a Friday, only to return to it on a Monday and discover
> unrecoverable portions that had developed over the weekend. It was good for
> billable hours, I guess, but it only made me hate tape even more.
> On Fri, Feb 3, 2012 at 7:22 AM, Tom Fine<[log in to unmask]>wrote:
>> I'm sure Richard Hess will weigh in on this, but my understanding of the
>> mechanism of tape-baking is that you need a minimum temperature for there
>> to be any useful effect. 118 degrees for that time period is probably in
>> the useful range. Does the DASH standard have a fairly robust
>> error-correction scheme? I would think if it does, minimal physical changes
>> brought about by tape baking once won't effect playback.
>> -- Tom Fine
>> ----- Original Message ----- From: "Corey Bailey"<[log in to unmask]
>> To:<[log in to unmask]>
>> Sent: Friday, February 03, 2012 2:27 AM
>> Subject: [ARSCLIST] Baking Digital Audio tapes
>> Hi All,
>>> I thought the members of this list might find this interesting:
>>> Recently, some 1/2-inch Sony DASH (3324) format tapes were shipped from
>>> the UK to the Warner Bros. Sound Transfer Dept in Burbank, CA. The tapes
>>> would not play and exhibited Sticky-Shed Syndrome.
>>> I was asked if I thought it would be safe to bake the tapes. My response
>>> was that it could be risky and if we were to attempt it, the tapes should
>>> be baked at a much lower temperature for 24 hours or so. It was decided to
>>> try my suggestion since there was nothing to loose at this point.
>>> The details:
>>> 3 reels of Quantegy 1/2-inch 467 Digital audio tape, originally recorded
>>> in August of 1999.
>>> 2 reels of Quantegy 1/2-inch 467 Digital audio tape, originally recorded
>>> in May of 2004.
>>> The tapes were baked for 16 hours at 118 degrees F. and then left in the
>>> oven for 6 additional hours as the oven cooled. The decision was made to
>>> end the baking at 16 hours because the Transfer Dept. Supervisor wanted to
>>> test the results to see if there was any improvement that might warrant
>>> further baking. The first tape tested played just fine so each tape was
>>> tried in succession with the same positive results.
>>> Corey Bailey Audio Engineering