Brooke The KIWI-OSD is no longer available. However some circuit detail is available at: http://spiff.rit.edu/richmond/ritobs/kiwi/kiwi.html
It really should be reworked to use a more reliable time source such as a GPS timing receiver. Bruce Brooke Clarke wrote: > Hi James: > > You might want to get a KIWI-OSD, Video overlay of GPS precision time > stamp. It adds HH:MM:SS EEEE OOOO FFFFFF at the bottom of the image > and so can be seen in every field. They have also developed a way to > calibrate the camera shutter in relation to the frame time by using a > number of LEDs. The main use if for star occulation timing. > http://www.geocities.com/kiwi_36_nz/kiwi_osd/kiwi_osd.htm > > Have Fun, > > Brooke Clarke > http://www.prc68.com > > > > Lux, James P wrote: >> I'm looking for a way to take GPS time and generate a signal that can >> be recorded on the audio track of a video recording to time stamp it. >> This is so it can be aligned with other data that's collected with >> GPS based time. It needs to be portable/small (i.e. Something you >> could attach to a small camcorder, or such). >> >> Seems that a GPS->IRIG B interface would work, but I was wondering if >> someone has done this already (e.g. Someone must have made a IRIG >> encoder in a PIC or similar).. >> >> Another alternate is if something like a iPhone records accurate time >> with the video stream. (another of the data sources is an iPhone >> recording something else) >> >> I think the basic requirement is accuracy to some few milliseconds >> (e.g. Frame rate of the video).. >> >> (It's for a high school science project, where they want to record >> various things, and line them up.. I think they could deal with >> looking at the timestamps over many frames to do interpolation) >> >> Anyway, cheap and cheerful consumer gear is what is sought. (so no >> suggestions of synthesizing SMPTE from the output of my Z3801 and >> feeding it to a RED camera.. We're talking AIPtek and iPhone here..) >> >> Jim Lux >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> >> > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
