--- Forwarded Message from David Wohr <[log in to unmask]> --- >Date: Thu, 05 Aug 1999 09:31:01 -0400 >To: Language Learning and Technology International Information Forum <[log in to unmask]> >From: David Wohr <[log in to unmask]> >Subject: Re: #5133 PAL conversion tape length question >In-Reply-To: <[log in to unmask]> ------------------ Ursula, The Op Manual for Panasonic's AG-W1 lists the following tape speeds: NTSC/M-PAL format SP - 33.35 mm/sec SLP - 11.12 mm/sec PAL/N-PAL SP - 23.39 mm/sec LP - 11.7 mm/sec SECAM SP - 23.39 mm/sec LP - 11.7 mm/sec Doing the math, the conversion factor is about 1.43 a T-120 will give you about 171 minutes in PAL an E-180 will run about 125 minutes in NTSC format. Hope this helps, gotta trim the sheets and head up-wind. Dave At 03:37 PM 8/4/99 -0400, you wrote: >--- Forwarded Message from Ursula Williams <[log in to unmask]> --- > >>Date: Wed, 4 Aug 1999 09:21:16 -0500 >>To: [log in to unmask] >>From: Ursula Williams <[log in to unmask]> >>Subject: PAL conversion tape length question > >Must be the Dog Days; I actually find time to ponder this: > >When converting video from PAL to NTSC, I have noticed that, while the >length of time is the same (of course) the amount of tape needed is not. >It's usually a guessing game, and if I run out of NTSC tape, I just insert >another cassette. Most people don't mind this, but I'd rather be able to >figure it out ahead of time. Also, it seems that people bring me 180 >"minute" PAL tapes. I don't know how long these tapes would run on NTSC. >(It's a little confusing because tape length is conventionally measured in >time rather than feet, yards, meters or inches. Conversant with IPS speeds >for reel-to-reel tapes (UGH!) I am, alas, not familiar with the IPS, FPS, >or MPS of video tapes. > >Anybody got a formula? Anybody willing to come up with one, while sipping a >daiquiri and dangling your feet over a dock? > > >PS: I don't like to use the fail-safe of EP record speed because of the >downgrade in quality of the copy. > >PPS: Of course I don't convert copyrighted tapes, Lynne!<smirk> > >Ursula > **************************************************************************** ************************* David L. Wohr [log in to unmask] Director Language Laboratory 610-660-1837 Saint Joseph's University 5600 City Avenue Philadelphia, PA 19131-1395 **************************************************************************** ************************** "Wem Gott will rechte Gunst erweisen Den schickt er in die weite Welt." Eichendorff