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Re: Video: What is a PID Controller?

From Tim Wescott <seemywebsite@myfooter.really>
Subject Re: Video: What is a PID Controller?
Newsgroups comp.dsp, sci.electronics.design, sci.engr.control
References <-LadnXcXB42A87fKnZ2dnUU7-R-dnZ2d@giganews.com> <602libhgcpd7miur51o7g5nkd5fra9c86m@4ax.com> <-LadnXMXB434EbfKnZ2dnUU7-R8AAAAA@giganews.com> <572a9237$0$18126$c3e8da3$a9097924@news.astraweb.com> <-LadnW0XB430BLfKnZ2dnUU7-R-dnZ2d@giganews.com>
Message-ID <-LadnW8XB425ALfKnZ2dnUU7-R8AAAAA@giganews.com> (permalink)
Date 2016-05-04 20:08 -0500

Cross-posted to 3 groups.

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On Wed, 04 May 2016 19:52:57 -0500, Tim Wescott wrote:

> On Thu, 05 May 2016 09:07:58 +1000, Clifford Heath wrote:
> 
>> On 05/05/16 09:57, Tim Wescott wrote:
>>> On Wed, 04 May 2016 19:43:26 -0400, Martin Riddle wrote:
>>>> And better lighting, maybe you can shrink your self into a PIP and
>>>> just show the demo.
>>> I've been fiddle-farting around with this for ages, starting about a
>>> year ago with "what would it take to make professional quality video".
>>> Not having infinite money, I didn't go that route
>> 
>> If you have (access to) a Mac, I can highly recommend "ScreenFlow".
>> It can record multiple screens, multiple cameras and audio at the same
>> time, and provides a really good post editor for mixing down the video,
>> with slo-mo replays, transitions and many other effects, PIP, etc.
>> 
>> All for $100. Excellent value, even just for the post facilities (i.e.
>> even if you never make a recording).
> 
> I'm using KdenLive for editing, and it's pretty good -- at least, its
> capabilities are well beyond mine.  And at $0, its price is infinitely
> better.
> 
> The muy-expensivo camera is my cell phone.  It was realizing that I had
> something ON HAND that would take adequate video that really pushed me
> over the edge.
> 
> As for simple recording and editing mistakes, the points that will be
> different next time are:
> 
> 1: I'm working off of (essentially) a bunch of slides, and you can see
> me looking at them as I talk.  I certainly don't like the looks of it.
> 
> 2: There's a number of places where swear words, tongue-twists, and
> nose- scratching was edited out on-the-fly, causing jumps in the video. 
> Again, they detract from the video.
> 
> Instead of trying to do the whole video in one take (and failing), I'm
> going to study _one_ slide, _hide it_, turn the camera on, do _that one
> slide's worth_ while _looking at the camera_, turn the camera off,
> repeat until _that slide_ is good enough, turn to the next slide, and
> repeat until done.  Then I'll edit them together with suitable
> transitions.
> 
> This presentation had ten slides, so if I do 90 seconds and flub it, I
> can just stop the camera, take a few deep breaths, and try again.
> 
> 3: The lighting could be improved.  Just a few lamps off screen would
> have made it better, but I was in "dammit, just get 'er done" mode --
> which is why it got done.
> 
> Not really on the "immediate" list, but room for incremental
> improvements:
> 
> 4: The filming spot could be better.  That's my very own desk and
> workbench, just cleaned up for filming.  I'll probably stay here for
> now, possibly with incremental improvements, but if I should happen to
> get a really strong response I'll make a better spot.
> 
> 5: I'm doing this entirely on my own.  If I can get a camera-wrangler
> and general coach in here while I'm filming that would help. 
> Fortunately, I have under-employed family members.
> 
> 6: Editing and closed-captioning, ditto.  Unfortunately my general
> attitude toward new things is "dive in and keep screwing up until you
> get it right", while my wife and kids' attitude is "no, won't try unless
> I'll get it perfect".  Maybe I can get one or more of them to take
> classes...

Oh, and a quieter @#$% chair.

-- 

Tim Wescott
Wescott Design Services
http://www.wescottdesign.com

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Thread

Video: What is a PID Controller? Tim Wescott <seemywebsite@myfooter.really> - 2016-05-04 16:48 -0500
  Re: Video: What is a PID Controller? eric.jacobsen@ieee.org (Eric Jacobsen) - 2016-05-04 21:58 +0000
  Re: Video: What is a PID Controller? Les Cargill <lcargill99@comcast.com> - 2016-05-04 18:30 -0500
  Re: Video: What is a PID Controller? Martin Riddle <martin_ridd@verizon.net> - 2016-05-04 19:43 -0400
    Re: Video: What is a PID Controller? Tim Wescott <seemywebsite@myfooter.really> - 2016-05-04 18:57 -0500
      Re: Video: What is a PID Controller? Clifford Heath <no.spam@please.net> - 2016-05-05 09:07 +1000
        Re: Video: What is a PID Controller? Tim Wescott <seemywebsite@myfooter.really> - 2016-05-04 19:52 -0500
          Re: Video: What is a PID Controller? Tim Wescott <seemywebsite@myfooter.really> - 2016-05-04 20:08 -0500
  Re: Video: What is a PID Controller? robert bristow-johnson <rbj@audioimagination.com> - 2016-05-04 16:51 -0700
    Re: Video: What is a PID Controller? Tim Wescott <seemywebsite@myfooter.really> - 2016-05-04 18:54 -0500
  Re: Video: What is a PID Controller? Randy Yates <yates@digitalsignallabs.com> - 2016-05-04 23:44 -0400
  Re: Video: What is a PID Controller? Jeff Liebermann <jeffl@cruzio.com> - 2016-05-04 23:21 -0700
    Re: Video: What is a PID Controller? Tim Wescott <tim@seemywebsite.com> - 2016-05-05 01:49 -0500
      Re: Video: What is a PID Controller? Jeff Liebermann <jeffl@cruzio.com> - 2016-05-05 00:58 -0700
        Re: Video: What is a PID Controller? Jeff Liebermann <jeffl@cruzio.com> - 2016-05-05 18:14 -0700
  Re: Video: What is a PID Controller? Bob Penoyer <bob@NOSPAMbobpenoyer.com> - 2016-05-05 10:07 -0700
  Re: Video: What is a PID Controller? OG <freenews@freenewsspam.net> - 2016-05-05 11:01 -0700
  Re: Video: What is a PID Controller? Baron <baron@linuxmaniac.net> - 2016-05-05 20:55 +0100
  Re: Video: What is a PID Controller? eric.jacobsen@ieee.org (Eric Jacobsen) - 2016-05-05 20:37 +0000
  Re: Video: What is a PID Controller? piglet <erichpwagner@hotmail.com> - 2016-05-06 11:02 +0100
    Re: Video: What is a PID Controller? Randy Yates <yates@digitalsignallabs.com> - 2016-05-06 12:21 -0400
    Re: Video: What is a PID Controller? Tim Wescott <seemywebsite@myfooter.really> - 2016-05-06 12:52 -0500
  Re: Video: What is a PID Controller? Steve Underwood <steveu@dis.org> - 2016-05-06 22:45 +0800
    Re: Video: What is a PID Controller? makolber@yahoo.com - 2016-05-06 08:13 -0700
      Re: Video: What is a PID Controller? Tim Wescott <seemywebsite@myfooter.really> - 2016-05-06 12:52 -0500
  Re: Video: What is a PID Controller? gyansorova@gmail.com - 2016-05-06 14:09 -0700
    Re: Video: What is a PID Controller? Tim Wescott <seemywebsite@myfooter.really> - 2016-05-06 18:11 -0500
      Re: Video: What is a PID Controller? gyansorova@gmail.com - 2016-05-08 11:46 -0700
        Re: Video: What is a PID Controller? Tim Wescott <tim@seemywebsite.com> - 2016-05-08 15:20 -0500
  Re: Video: What is a PID Controller? ChesterW <iamsnoozin@yahoo.com> - 2016-05-06 20:51 -0500

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