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Panasonic GH4 bitrate

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Eric Strand
Panasonic GH4 bitrate
on Feb 24, 2016 at 4:32:46 pm
Last Edited By Eric Strand on Feb 24, 2016 at 4:47:46 pm

Hey COW, if anyone knows that Panasonic is active in another forum and can point me there I would appreciate it.

When the GH4 is set to 1080 100IBP, MediaInfo reads the bitrate as variable averaging 96mbps. When I set it to 1080 200 All-I, MediaInfo shows variable bitrate averaging around 40-50mbps. I just did a walk around the office, hoping to push the bitrate higher with motion, but MediaInfo still shows a bitrate of 40mbps.

Not at all what I expected; I understand the low bitrate for a talking head interview, but testing one of those and a walk around the office with quick pans produced the same bitrate in 200 All-I.

I didn't expect these results and frankly just needed to talk to someone about them!
Firmware 2.1, which I know is behind, but none of the firmware release notes talk about data rate in them.

UPDATE: I shot some traffic out of the office window and that did get the bitrate up to 77.


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