[snca-list] Advice on preserving video footage

[Brian E. Davis]

Just sending my reply to the list too....

brian


On 4/21/10 12:53 PM, "Brian E. Davis" <tvc15 at mac.com> wrote:

> Hi Debbie,
> 
> If the source format is 3/4" and VHS, a 25-30 Mbps uncompressed DV capture
> exceeds the initial quality levels of both of those formats. There's really no
> need to do any sort of higher bit rate transfer than that - anything else is
> just noise really. I also would recommend the QuickTime wrapper over AVI.
> 
> If the tapes are problematic in terms of signal playback, then a time-base
> correction system should be able to stabilize things enough for the capture
> process. You could also do a bit of color-correction at this stage since
> correcting after quantization/digital capture could introduce artifacts into
> the video.
> 
> Store the tapes rewound with the pack on the bottom and in chemically inert
> plastic cases on demagnetized metal shelving. It might also be a good idea to
> remove any sort of paper insert from the tape case (be sure to save any
> identification information). Acceptable extended-term storage conditions for
> polyester-based videotape are 20°C (68°F) and 20-30% RH.
> 
> Brian E. Davis, M.S.
> http://archivaldigitalservices.com
> tvc15 at mac.com
> 602.284.4972
> 
> On 4/21/10 11:38 AM, "Debbie Luck" <dsluck at randolph.edu> wrote:
> 
>> Our community college library has hundreds of videos (most VHS but some 3/4")
>> that were made during the years we had an AV Department w/a videographer
>>  
>> The videos keep getting shuffled around on campus and, of course, take up a
>> lot of shelf space.  We now have been given a small climate-controlled room
>> where they will be kept temporarily.
>>  
>> I would appreciate your professional advice on how these should be preserved.
>> What format should they be transferred to and what is an estimate of the cost
>> involved?  If they are transferred to another format, should the original
>> videos be retained?
>>  
>> Thanking you in advance for your advice!
>>   
>>  
>>  
>> Debbie Luck
>> Dean of Library Services
>> Randolph Community College
>> PO Box 1009
>> Asheboro, NC 27204-1009
>> Tel: 336.633.0272
>> Fax: 336.629.4695
>> E-mail: dsluck at randolph.edu
>>  
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>>  
>> 
>>  Creating Opportunities. Changing Lives.
>>  
>> 
>>  Email correspondence to and from this address may  be subject to the North
>> Carolina Public Records law and may be disclosed  to third parties by an
>> authorized state official. (NCGS. ch. 132)
>>  
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