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12th September 2019, 11:39 | #21 | Link | |
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And when I say it doesn't work, I mean the import function doesn't work, nor will it show up in the media browser if I pick the folder containing it whereas the lossy versions show. |
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17th October 2019, 16:59 | #22 | Link | |
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With AVI only v210 and r210 will work most likely. |
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12th August 2021, 16:41 | #23 | Link | |
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Last edited by takla; 12th August 2021 at 16:45. |
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12th August 2021, 18:38 | #24 | Link | |
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Adding synthetic "anything" will penalize your PSNR scores. Adding something is a form of "noise"; a deviation from the original. So that will usually lower your Signal to Noise ratio. The compression ratio will always be better for x264 intra vs. prores , but the ratio will vary on different sources. You will find some where the difference is not as large, on some even larger. Remember, that was a very clean source (just look at the inflated PSNR values, a more typical range would be maybe 45-55db), so those results are probably not typical of "regular" videos. More typical results on average - prores might need 1.25-1.5x bitrate for similar quality compared to x264 intra . Or use short 1/2 sec GOP's, Prores might need 2-2.5x the itrate for similar quality The editing performance (low scrubbing latency) will always be better for prores vs. x264 (even with --tune fastdecode --keyint 1) --tune psnr will generally increase the PSNR score at a given bitrate, and decrease the bitrate at any qp or crf. But since the bitrate changes at any qp or crf when you use different settings - you also have to do multiple encodes and plot RD curves to compare and see trends. Or change the qp or crf until you get a similar bitrate to prores, then you can compare directly) |
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avisynth, resolve |
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