After working with on a @Gopro script yesterday, I was surprised with how they had us setup the camera for each shot. As before, Abe (who now works for GoPro) states which setting to use, where, and why. Remember, the digital cameras are ingesting, processing, compressing, and writing huge amounts of realtime data. The pipe is only so big, so every change in frame rate or resolution will change how that whole pipeline operates. The pipeline can handle up to 60Mbps video but that gets eaten up quick @ 4K frames. Since the sensor is 4:3 aspect ratio, most of the time he recommends shooting at 4:3 and in post doing dynamic stretching. Like all cameras, the GoPro crops the top and bottom of the sensor to create 16:9 aspect ratio footage. Takeaways for typical camera settings: Low light off Protune always on GoPro color 400 ISO Low sharpening For skydiving I plan on using either 2.7K@50fps (PAL) or 1440-60. Here are his recommendations Non-POV without Slow Motion: 4K-30 Non-POV with Slow Motion: 2.7K – 48 Wide & Medium, 1080-120 Narrow POV without Slow Motion: 2.7K 4:3 – 30 or 2.7K Superview 30, 4K Superview 24 POV with Slow Motion: 1440-60 or 1080 Superview 60, 960-120 or 720 Superview 120 Read the full article for all the reasonings why abekislevitz/understanding-video-in-the-hero4/ Ps. If you are trying to conserve hard drive space, your settings may be different. The shoot we did, ended up being 75gigs of footage from one day!
Posted on: Thu, 23 Oct 2014 18:19:25 +0000
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