[BC] TV Stuff

Larry Bloomfield Larry at Tech-Notes.TV
Thu Feb 26 13:50:56 CST 2009


No matter what happens, I wish you all the best, Jason. If I can be of 
any help, call me.

*Larry Bloomfield, KA6UTC*
1980 25th St.
Florence, OR 97439
(541) 902-2424 (everything number)
*www.Tech-Notes.TV <http://www.Tech-Notes.TV>*
See you on the Taste of NAB Road Show
> station in the area.
> I'm not completely clueless about tv, although I'm bumping along the 
> bottom, so to speak.
> take a second and review below what I know so far about TV::
>
>  I have a cable station I put together some years ago that is still up 
> and running.  shoestring stuff.   Learned a lot from Alan A. doing 
> it.   It's making money.
>
>  audio path - no problem.  clean, audio levels where they ought to be. 
> No problem, we do this for a living now.
>
> Video path is composite push from 3 Sony Handicams to a very small vid 
> mixer which gives us time sync.  For this app, I think it's more 
> mechanically robust than S-Vid.
>
> I split the finished product - one copy goes to headend for DA to the 
> subscribers, the other copy goes to whatever rcording medium so you'll 
> have archives to work from, or for TD'ed production work.  Of course 
> you can switch to the recorded stuff and air it.
>
>  Spent a bunch of time learning about video levels, black, white, 
> chroma stuff... and timing.
>
> got the whole thing working to fixed industry standard levels (audio, 
> and vid).   (when I had come in, they were noticibly *not* doing 
> things as well as the networks available on the same cable output.) 
> (Guess where Alan A's brain came in really handy!)
>
>  Since then added- the Satellite sources in the mix to the vid 
> switcher, then going to the headend, so the operators control getting 
> in /out of local, rather than the headend.
>
>  From my peanut-gallery viewpoint, "real" TV workflow would be close 
> to this.  Hardware?  there's no 'composite push' from cheapie cams, 
> and, we're sending the finished product to the TX instead of a 
> headend.  things get a bit more complicated, probably because of all 
> the really cool tools, but the workflow is probably along these lines...
>
>  am I right or wrong??
>
>  I have no idea where in the new building I might best fit, but am 
> trying to get prepped for the interview.  If it's going to be a 5 or 6 
> hour memory test (what specific frequencies are allocated for the ... 
> what percentage of the total signal is... )   I use books, not memory, 
> and the guys will probably hate me.
>
>  If they want to know whether I am bright and tenacious enough to make 
> it all work given the resources of the Mfg's and Vendors and such... 
> YES I CAN.
>
>  If I can survive the interview.
>
>  Last bunch I spoke to KNEW ahead of time that NOBODY walks into a 
> large facitility and has the whole thing in their head in less than a 
> number of months.  Only reason I didn't go there...
> my home is paid off, my land paid off, my folks live in the area... 
> and I will commute... alot... but won't relocate unless I make enough 
> to relocate the whole family...
>
> I could use whatever insights, advice, common sense, tech tips you 
> might offer to help me study for & get this job.  Or at least know if 
> it's worth doing.  ( I *have* interviewed at a few that  - uh - 
> probably nobody wants to work with...)
>
>  All the DTV / HDTV stuff, tech articles, etc. are out there and I 
> read them, best I can with the time I've got, and none of it seems too 
> deep... it just isn't what I've been doing so far.  I've lived 
> "radio', not 'TV'...
>
> Jason R.
>
>



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