Archived posting to the Leica Users Group, 2001/04/26
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On this off-topic, take a look at http://www.elpj.com/ It's a laser turntable originally conceived in the 80's by a company called Finial. It does basically what you're talking about with a scanning laser. Not only did someone probably get a PhD for it, they're apparently making money from it. Paul - -----Original Message----- From: shino@ubspainewebber.com [mailto:shino@ubspainewebber.com] Sent: Thursday, April 26, 2001 7:17 AM To: leica-users@mejac.palo-alto.ca.us Subject: Re: [Leica] Film Demise BUT EVEN MORE OFF TOPIC, your message got me thinking about what i'd look into if i were a PhD candidate in comp sci (just a lowly MS now). i'd be interested in writing a project to scan in a 45 record on a flatbed (hopefully getting enough contrast) and via much image processing and analysis, by tracing the groove centers using knowledge that it's a counter-clocksize spiral, examining the modulation and eventually being able to recreate music based on that image. no idea if it's really feasible... maybe you need a scanning laser or something to really get a good picture of the grooves. but so many parts of the project are technically challenging (and furthermore, it's so impractical) that i think i'd deserve a PhD for it. note that i have absolutely no inclination nor plan to ever implement such a thing nor to go for a PhD at my advanced age. - -rei