posts tagged with the keyword ‘video’

2013.05.18

This is the method I use for creating 1280×720 (aka, 720p) time lapse video files from a GoPro camera using MPEG Streamclip.

Go Pro stills compiled into video

I use the time lapse setting on the GoPro, which creates images that are 2592 pixels wide by 1944 pixels high, though we care less about the pixel width and height, and more about the aspect ratio, which is all wrong for a proper video. (In fact, you can use this method for any still images you wish to finish as a video file.)

I start by compiling all the stills into a video file, and I use QuickTime Player 7 for that. There are other tools, but that’s what I’m currently using, and no the most recent version of QuickTime Player is hobbled crap that won’t work. (Hey Apple, how about fixing that?)

OK, we have our video file, but it’s practically square! Terrible! So let’s fix that…

1280 wide image

To choose the best crop I usually do a screen grab of the image area, and then open that in Photoshop (or whatever) and size it to 1280 wide. The height should be about 960 (depending on how accurate your screen shot is.) Time for Math! 960 – 720 = 240, so we need to crop 240 pixels from the height. You can easily just skip this step and plug 120 into the top and bottom crop, but this step will let you easily make some other decision, like 140 and 100. As long as your top and bottom crop add up to 240, you’re good.

Cropping to 720 height

Sometimes I like to make a marquee that’s 1280 x 720 to get a better idea of the crop… Feel free to skip this step if you don’t need the precision I require in every single thing I do.

MPEG Streamclip settings, with crop

OK! Here’s the export window in MPEG Streamclip, where you can see I’ve set the size of the video to “Other” and plugged in the 1280 x 960 values. I then put the 140 and 100 values in the top and bottom crop boxes, respectively. All the other settings are what I typically use for MPEG Streamclip. (The one thing I tend to change which isn’t show here is the ‘Limit Data Rate’ value. But that’s a post for another time.)

Final 1280x720 Video File

Here’s our final video output at 1280 pixels wide by 720 pixels high. Now, since we started with a video that was 2592 pixels wide by 1944 pixels high, we could actually get all fancy and just select a portion of the video to output at the final resolution. This involved a lot more math, but it’s a possibility, so I’ll leave it up to you to explore.

Now go make some time lapse videos!

2013.04.05

Time Lapse

Time Lapse

I built this crazy Banana Pong thing with a MaKey MaKey for the Art Jamboree that Art Milwaukee does… here’s a time lapse video from the event…

2013.03.09

The Interview

Every now and then I see a post that talks about photography, and how many factors go into the cost of hiring a “real” photographer (and by “real” I mean “professional”) so for my own reference in the future, I wanted to write up my thoughts on the topic of shooting video. (For our purposes today, assume you’ll be shooting a few talking-head videos for a presentation.)

I’m calling this “A Guide to Video for Smart People” because someone very intelligent, who I greatly respect, hired me to do a video shoot. Since, we had to talk about pricing, I figured I’d share some of my thoughts.

1. When you hire a professional, you get a professional.
What is a professional, exactly? It’s someone who uses pro-gear, and has the knowledge to use it. Someone who has experience, and has done professional shooting before. Someone who knows about shooting, and lighting, and pacing, and talking to talent, and audio, and composition, and dozens of other things you don’t even think about because it’s second nature after a while.

2. Professionals use professional gear.
Everyone’s got a camera nowadays, but there’s more to shooting than a camera. For a typical interview shoot you might have a camera, lens, lights, audio recorder, microphone, studio headphones, tripod, stands, spare batteries, spare cards, spare XLR cables, reflectors, and a dozen other things you bring on every shoot. I’m not suggesting you need top-of-the-line everything, but even on the low-end it can be $2,000 for a basic set-up.

3. Professionals are thinking.
If you haven’t had the luxury of scouting locations, you might show up and get a quick tour of the location so you can pick a spot to shoot in. When I walk into a room, I’m looking at the layout, the lighting, determining where all the outlets are, looking at the height of the ceiling, figuring out where the tables and chairs can go, etc. If there are windows in the room, is it cloudy outside? How will the changing sunlight affect the lighting during the shoot? And that’s all before setting up the tripod.

4. Professionals respect your work.
Besides taking the shoot seriously and doing a great job capturing the footage, a pro-shooter will make sure your work is preserved. Anyone with clients will know that even though you might provide them with files, there’s a chance they’ll come back a year later (or five years later!) and ask for it again. For a recent shoot the raw footage came out to be about 9GB of data. After editing it was about 30GB of data. That all gets backed up, and archived, and managed so that you can go back a year later and provide the footage again.

5. Professionals edit.
Even if the client thinks it’ll be quick and easy and there won’t be any editing… there’s always editing. Unless you’re just doing camera ops for someone else and they want the raw footage, you’re editing. So much DSLR shooting is done today with secondary audio that at a minimum there’s the syncing of audio with the video. Add bump-in and bump-out, a few cross-fades, choosing the best take, and render time, and you’ve got some time invested. (I’m not even getting into the copying, burning, and delivering of the work, but hey, that’s another aspect.)

OK, that’s part one of my “Guide to Video for Smart People”. We covered five points. There are more, but I wanted to keep this brief. The great thing about working with smart people is that they’re smart (duh!) so educating them to some of these facts shouldn’t be too hard to do. Chance are after the first shoot you do, they’ll get it, and it’ll be the start of a great (working) relationship. :)

2013.01.09

Here’s a video I put together to show how two of my art robots function. The video is playing right now in the gallery where some of the art is on display, as I mentioned previously.

Art Robot

Art Robot

You can do a lot with an Arduino, two servos, and a few other miscellaneous parts. ;)

2012.11.16

Radio

This post from NPR, Radio: The Port In The Storm, got me thinking about radio, and while I’m pretty well entrenched in the world of podcasts and my own music library, I do still love radio, and the interesting thing is, I think we’ve increased the amount of radio we listen to in our household this year.

Part of the rise of radio in our house might be due our dumping cable TV. We didn’t completely dump TV, as we still get the local channels, but it’s not that 500 channels (and nothing to watch) world we’re used to. We still use Netflix and Amazon, and we still record a few shows using an EyeTV Hybrid, but overall, our TV consumption is down, and our radio listening is up.

It’s mostly Radio Milwaukee and NPR, and the quality of both of those tends to outdo the TV we’d usually watch. It was just too easy to flip on the TV and let it play whatever… even with a laptop out and browsing/working, vapid television in the background isn’t that useful, and good radio is a better alternative.

I’d be interested to know if others who “cut the cord” ended up just replacing all their TV watching with online video alternatives, or if radio is taking some of their attention.

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