Microstock Footage Forum > General - Stock Video

alpha channel

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suz7:
Thanks for that, all a lot clearer.

So Apple ProRes 444 is accepted by most agencies?

And people that aren't after a transparent (alpha channel) can still use the video in the same way I imagine. If I have a white background on the composition it will appear white on the rendered video.

Thanks again, I really appreciate you passing on your knowledge.

Suzie :D

AnimatedStockFootage:
All you need to do is provide an "Black and White Alpha Map" of your clip. This will  double the length of your clip without increasing the size too much but it will give your customer an option to remove the background if he/she wants to. And you can render the clip in any format that you normally use without caring about alpha channel or transparency.

suz7:
Ahhh, sounds like a good alternative.

I'll look at doing that. As I'm learning might take a while to figure it out but could make them more sellable.

Thanks for your reply, much appreciated

Suz  :)

increasingdifficulty:

--- Quote from: suz7 on November 14, 2017, 08:04 ---Ahhh, sounds like a good alternative.

I'll look at doing that. As I'm learning might take a while to figure it out but could make them more sellable.

Thanks for your reply, much appreciated

Suz  :)

--- End quote ---

Just make sure you test the alpha channel carefully. I have found that a separate black and white alpha channel output sometimes doesn't produce the same results (i.e. worse) as a true alpha channel, especially with more advanced edges.

Do 10-bit if you can.

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