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To: JAMES F. CLASPILL III who wrote (4847)5/27/1999 8:58:00 AM
From: Tinroad  Read Replies (2) | Respond to of 18366
 
A little help, please? At RB Berge asked "Tinroad- do you know anything about the Lucent ctso autoplex cellular phone system? I think we (EDIG) are a part of this." Don't have time at present to verify this. Any feedback is appreciated.
TR



To: JAMES F. CLASPILL III who wrote (4847)5/27/1999 1:33:00 PM
From: Walter Morton  Respond to of 18366
 
OT: "Click To Click" Time

This may be why SNDK is being sued:

This is one area ripe with hype from certain CF card suppliers who claim that their cards are 4X or 8X faster than the "standard" CF card (by "standard" they usually refer to a SanDisk card of three generations ago).

Just as flash memory cost is coming down, microcontroller performance in successive generations of CF cards is constantly getting faster and will continue to do so for the foreseeable future.

The reality is that today's consumer digital cameras sold for under $1,000 are all much slower during the internal electronic processing and compressing of an image than during the time it takes to download and store the processed image in the CF card. Typically, the time to process and compress a digital image is between 5 and 10 seconds, while the time to store the image on the card is less than 1 second. Even if the CF card was infinitely fast, the "click to click" time will be almost the same. Therefore claims of "4X faster" or "8X faster" are truly misleading. It is like a car manufacturer claiming you can get home 4X times or 8X times faster if you buy his car, neglecting to mention the road and traffic conditions or the local speed limit.

Furthermore, some CF cards can be fast when empty, but slow down dramatically as more and more images fill the card's storage space. SanDisk's CF cards are uniquely designed to maintain essentially the same write speed whether empty or completely full, guaranteeing no surprises.

In the next 12 - 18 months, new consumer digital cameras will be introduced that will reduce the internal processing time to well under one second even for a two megapixel resolution camera. At that time, the CF card write performance will need to be two to three times faster than today's cards. SanDisk is working closely with the major manufacturers of digital cameras to ensure that its future CF cards will match the faster write requirements of these faster cameras.

SanDisk recently completed a study of actual "click to click" performance with several leading digital cameras, featuring commercially available CF cards from Lexar Media and SanDisk. The results are reproduced in the attached table. They show that Lexar's claim of 8X faster performance is not borne out in these leading cameras. Quite the contrary. A similar conclusion was reached by two recent independent studies by PC Magazine and Digital Camera Magazine.

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