Smallest File Size yet keeping Alpha Channel

[John Cuevas]

I like Avid DNxHD it’s not the smallest codec, but really high quality and there are a bunch of different bit rates to try if you want to change the final size. One thing, you have to go into the codec settings and choose “compressed/uncompressed” alpha along with changing the color to RGB + Alpha to create an alpha channel.

I just did a test between a 17 second
QT animation 1080i/29.97 = 2.9 GB, 492 MB for
QT_Avid DNxHD 1080i/59.94 145 8-Bit.

Avid Quicktime Codec

Johnny Cuevas, Editor
Thinkck.com

“I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work.”
—THOMAS EDISON on inventing the light bulb.

[Stephen Curry]

Thanks John….I render out using that Codec with 720p/29.97 110 8bit and it was about 20M smaller than what I was doing otherwise….

any little helps 🙂

[Tom Ma]

look into proxy workflow.. it is super simple and a real time (and CPU) saver.

or
if overall size is your concern.. Photo JPEG is a great format that honors color pretty well.
Unfortunately cannot combine alpha channel.
But if you want to render separate picture and alpha channels, the black/whit alpha pass in PJPEG is very small file size. I use this often on 8-bit workflows.

[Kevin Young]

John, Are you creating the clips in the Juicer and then re-rendering them in the AVID codec? I don’t have these codecs available to me in the Juicer. I created a small partition off my main drive and installed Sierra and Digital Juice Juicer. It is the only thing installed on the os. Do I need to install the AVID codec for it to be available in the Juicer?

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