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Author Topic: Recommended bitrate for 4096 x 2304 video  (Read 3854 times)

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« on: July 25, 2023, 23:49 »
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Ive compiled a time lapse video from a sequence of digital stills. I'm going to create a 4096 x 2304 video at 24fps with the h264 codec. Just wondering what bitrate would people recommend for stock?

With the 3840 x 2160 videos from my Panasonic G7, the bitrate is usually around 93000 kbps or thereabouts. So I'd imagine the bitrate for a 4096 x 2304 video would be a bit higher.


« Reply #1 on: July 26, 2023, 02:13 »
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The best is 4096 by 2160, which is a recommendation from shutterstock. FPS is better than 29,97. I would set the bitrate to 200.

« Reply #2 on: July 26, 2023, 02:46 »
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Thanks.

The best is 4096 by 2160, which is a recommendation from shutterstock. FPS is better than 29,97. I would set the bitrate to 200.

I would prefer 4096 x 2304 due to the 16:9 aspect ratio. The client can crop that to 4096 x 2160 if they wish or reduce it to 3840 x 2160.

I would set the bitrate to 200.

Would that be 200,000 kbps?

« Last Edit: July 26, 2023, 03:02 by dragonblade »

« Reply #3 on: July 26, 2023, 03:55 »
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Thanks.

The best is 4096 by 2160, which is a recommendation from shutterstock. FPS is better than 29,97. I would set the bitrate to 200.

I would prefer 4096 x 2304 due to the 16:9 aspect ratio. The client can crop that to 4096 x 2160 if they wish or reduce it to 3840 x 2160.

I would set the bitrate to 200.

Would that be 200,000 kbps?
200 Mbps = 200,000 kbps

In this case, load 2 options at once - 4096 by 2160 and 3840 by 2160.
I don't think that many buyers want to cut something, people may need a specific format for their project.

You can make a bitrate and 400 Mbps. This is optional. You can see in what bitrate the video is currently being loaded on pond5 for example.
You can still load not only in H264, but in prores422 for example.
« Last Edit: July 26, 2023, 03:59 by stoker2014 »

« Reply #4 on: July 26, 2023, 11:00 »
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I don't think that many buyers want to cut something, people may need a specific format for their project.

It shouldn't take more than a few seconds to crop. And they can alter and fine tune the framing just the way they want if they have the freedom to crop themselves.

« Reply #5 on: July 26, 2023, 21:08 »
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An excellent technical discussion. Thanks for starting it dragonblade!

« Reply #6 on: July 26, 2023, 21:43 »
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An excellent technical discussion. Thanks for starting it dragonblade!

You're welcome!

« Reply #7 on: July 31, 2023, 01:37 »
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Ive been checking out the specs of 4096 x 2304 videos on P5 and the bitrate varies enormously. Ive seen examples of 748mbps, 205mbps, 497mbps, 697mbps, 693mbps, 782mbps, 188mbps, 170mbps, 620mbps and 133mbps. There are also a few clips that have enormously high bitrates like 1.01gbps and 1.31gbps. The vast majority of those videos are not h264.

« Reply #8 on: July 31, 2023, 05:45 »
+1
Ive been checking out the specs of 4096 x 2304 videos on P5 and the bitrate varies enormously.

That is because the bitrate that the clip ends up having depends on the content (details and motion) and frame rate. The bitrate you set is just a target bitrate.

Don't overthink things.

If you want to offer the best quality, just use ProRes HQ. The target bitrate will be 786 mbit/sec for 4096x2160 (a bit higher for 2304 then). You will then also offer more colors, which makes sense if your source is RAW photos.

If you have long clips and want to get lower file sizes, just use 200 mbit h264. This will be enough for most customers.

The Panasonic GH5 shoots excellent 4k and uses around 150 mbit/sec.
« Last Edit: July 31, 2023, 05:53 by increasingdifficulty »

« Reply #9 on: July 31, 2023, 07:34 »
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Panasonic GH6 shoots 4K at 400 Mbps. H.264 codec.

« Reply #10 on: July 31, 2023, 07:37 »
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Ive been checking out the specs of 4096 x 2304 videos on P5 and the bitrate varies enormously. Ive seen examples of 748mbps, 205mbps, 497mbps, 697mbps, 693mbps, 782mbps, 188mbps, 170mbps, 620mbps and 133mbps. There are also a few clips that have enormously high bitrates like 1.01gbps and 1.31gbps. The vast majority of those videos are not h264.
Of course, if there is a prores codec, then the bitrate will be high, because this codec does not compress video.
Look also at the quality of the video, how it was filmed, by whom it was filmed, whether it was professionally filmed. You can focus on bitrates from professional authors.
If in doubt, load everything in the prores codec.

There is also the old JPEG codec, not many stocks accept it now, there is also a high bitrate, because this codec also does not compress the video much.

Read more general information here.
https://contributors.gettyimages.com/article/5816?article_id=5816
« Last Edit: July 31, 2023, 07:54 by stoker2014 »

« Reply #11 on: July 31, 2023, 07:47 »
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In the H.265 codec, the bitrate will be 1.5-2 times less than in the H.264 codec.

« Reply #12 on: July 31, 2023, 08:42 »
+1
Of course, if there is a prores codec, then the bitrate will be high, because this codec does not compress video.

No, ProRes is compressed, just like all codecs. That is what a codec does. Just not generally as much as h264.

Uncompressed RAW video has a much higher bitrate. :)
« Last Edit: July 31, 2023, 08:54 by increasingdifficulty »

« Reply #13 on: July 31, 2023, 08:44 »
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*double post - delete
« Last Edit: July 31, 2023, 08:54 by increasingdifficulty »


 

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