Archived posting to the Leica Users Group, 2001/07/25
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Austin writes: > 53 lp/mm is achievable with a 2700 SPI > scanner, ONLY if the lines were perfectly > lined up. That's useless. 53 lp/mm is achievable with virtually any alignment of image elements, at 2700 dpi. If you disagree, then please indicate the exact number of lp/mm that _is_ achievable at 2700 dpi. > Any company who would put in their spec that their > 2700 SPI scanner could reliably scan 53 lp/mm would > be laughed at, and would be lying. Fine. What would the correct figure be, and why? > I guess there is some other reason CDs have a > sample rate of 44.1kHz...in order to reliably > capture 20kHz. My understanding was that the intent was to capture up to 22 kHz, but it has been a long time since I looked into CD design. > Modest? That's quite an amorphous term. So is "reliable." > How old are you? My age is not relevant to this discussion. > Do you need glasses? Not at present.