On 05/01/2009, Theunis Potgieter <theunis.potgieter@xxxxxxxxx> wrote: > On 05/01/2009, Klaus Schmidinger <Klaus.Schmidinger@xxxxxxxxxx> wrote: > > In order to correctly handle the progress indicator for NTSC > > recordings I'm now determining the frame rate from the > > actual data. With PAL's 25 frames per second the distance > > between two frames is 3600 "ticks" of 1/90000s. With NTSC > > this number is 3003, which results in 29.97002997003 fps. > > Is NTSC's frame rate really that "odd"? I thought it would > > be an even 30 fps. > > > > Klaus > > > Yes > > http://en.wikipedia.org/wiki/Frame_rate > http://en.wikipedia.org/wiki/NTSC > http://en.wikipedia.org/wiki/Sampling_frequency Please do not always _assume_ that it is actually PAL or NTSC, since PAL or NTSC defines colour encoding, but the most of the time the usual frame rates are associated with the colour encoding. However like I've stated before nvidia on their newer drivers output PAL on 60Hz (on the tv-out of the card), not even 59.94006Hz, or 50Hz like PAL is supposed to be for interlaced. The older CRT TVs (interlaced monitors) expect PAL to run 50Hz. You can confirm this with xvidtune. _______________________________________________ vdr mailing list vdr@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr
