Chris Knadle wrote:
Long ago I remember being horribly annoyed by the 18 kHz tone that tube TV sets made -- a TV set in another room would keep me awake at night. These days somehow it doesn't bother me -- now I see why.
Do you mean the 15,750 Hz horizontal sync pulse (30 frames/sec * 525 lines/frame)? I used to be able to hear that in my teens and twenties.
Adam _______________________________________________ Mid-Hudson Valley Linux Users Group http://mhvlug.org http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug Upcoming Meetings (6pm - 8pm) MHVLS Auditorium Sep 7 - DIY 3D Printing and the Makerbot Thing-o-Matic Oct 5 - Distributed Authentication Systems Nov 2 - Nov 2011
