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There's more than one way to skin a cat, so they say. And there's more than one way to get monochrome from a color image. Since YUV is a common encoding method, the easy thing to do is to throw away the U and V, and just keep the luminance, effectively doing the same thing old black and white televisions did. But in this modern, digital era, it's possible ...


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Okay I just did with a ffmpeg batch In PowerShell: ls | Where { $_.Extension -eq ".webm" } | ForEach { ffmpeg -i "$i" -vf "hue=s=0" -crf 20 -codec:a libvorbis -c:v libvpx -b:v 500k "${name}.webm" }


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