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From: jimb@tekcbi.UUCP (Jim Boland)
Newsgroups: net.video
Subject: Re: Question: Single frame recording
Message-ID: <524@tekcbi.UUCP>
Date: Mon, 24-Feb-86 20:20:51 EST
Article-I.D.: tekcbi.524
Posted: Mon Feb 24 20:20:51 1986
Date-Received: Fri, 28-Feb-86 07:41:54 EST
References: <286@bambi.UUCP> <549@nicmad.UUCP>
Distribution: net
Organization: Tektronix, Inc., Beaverton, OR
Lines: 48
Summary: autoediting

In article <549@nicmad.UUCP>, brown@nicmad.UUCP writes:
> In article <286@bambi.UUCP> steve@bambi.UUCP (Steve Miller) writes:
> >I would like to know what hardware is (minimally) required
> >to record one frame at a time on 3/4" tape.  
> 
> Unfortunately, 3/4" machines were not designed for single frame editing.
> 
> Now, with SMPTE encoding, and a computer controlled editing controller (that
> reads the SMPTE time-code), you may be able to get 1 frame accuracy.  
> 
> I have seen stuff on doing single frame recording on 1"C equipment.  There is
> special equipment out to do just that.
> 
Our 1" machines do not need special equipment.  It is standard on the Sony
decks on the "record/editing" control panel.  You simply press the "AUTO"
button, select what type of edit you want to do (assemble, insert:video,
audio 1, audio 2, audio 3), find the frame (time) you wish to start the
edit and press the "IN" button, find the frame you wish to end the edit and
press the "OUT" button, then press "PREVIEW" to see what it would look like,
or "EDIT" to have it automatically do it. Voila!!! all done.  to one frame.
On standard equipment.  Of course, we also have available in the production
booth a CMX computer controlled editing system which also controls the tape
machines.  You flip a switch on each machine to determine whether you want
to do local editing as described above or use the CMX computer.  Each has
it's own good points.  The local method is fast and accurate and is fine
for one or two edits.  However, when you have a major editing job,  It is
nice to sit in a quiet booth with the producer/director/etc. and control
the edits from that position.

Now the kicker. You will not be able to do it cheaply.  This equipment is
not intended for home use.  It usually takes 2 machines minumum for good 
editing and at ~$200K per machine, The average homeowner or amateur isn't
about to buy them.

You can get all your material together and then rent time from some production
houses.  Usually, you can take your sources to the facility and have them
bump them up to 1" and then give you a copy of the work tape on 3/4" or 1/2"
with the time code "burned" in the picture.  You then take those worktapes 
home and using the timecodes, plan your edits and production.  (This is the
way the big boys do it, also.   That way it does not tie up the machines for
planning stages)  Then go back with your planned "script" and do the actual
work, thereby cutting down on actual machine time.  In other words, plan 
your work prior to getting on the machine.

I hope this helps out.
These opinions are mine, of course.

jimb