Depending on the compression algorithms/format, original file size and
Compression levels the time to compress/save and uncompress/open
Can be noticed (at least on my machine ). 

You asked/wondered why anyone would not use compression and I told
You why. That's all. For me, I prefer the speed to saving space.
For archival stuff I put on DVDs. Sounds like you prefer to keep
Everything on the HDDs. To each his own and for different reasons.

jco

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Bob Shell
Sent: Thursday, October 19, 2006 9:44 PM
To: Pentax-Discuss Mail List
Subject: Re: File size of scanned 6x7 neg


On Oct 19, 2006, at 6:00 PM, J. C. O'Connell wrote:

> Compressing and uncompressing is SLOWER
> Than using uncompressed files.

Actually, that used to be a consideration back in the old days of  
slow chips.  With today's machines the difference is not even  
detectable.

> With 250GB hard drives costing under $100
> Why bother with slow compression?? (That's what I say, I
> Now have about 560GB of HDD on my PC, the 1 Terabyte
> Threshold will be reached soon no doubt).

I'm a professional photographer.  I have over 1800 GB of HD storage  
right now, and I'm going to need to add more soon.  Regardless of  
whether drive space is relatively cheap or not, I want to make  
optimum use of it.

Bob


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