From: "Bruce Tovsky" Received: from maila2.tigertech.net ([208.80.4.152] verified) by media-motion.tv (CommuniGate Pro SMTP 6.1.0) with ESMTPS id 5797307 for AE-List@media-motion.tv; Wed, 22 Jul 2015 22:25:52 +0200 Received: from localhost (localhost [127.0.0.1]) by maila2.tigertech.net (Postfix) with ESMTP id 06BBA24091B for ; Wed, 22 Jul 2015 13:30:58 -0700 (PDT) X-Virus-Scanned: Debian amavisd-new at maila2.tigertech.net Received: from [10.10.10.55] (unknown [65.223.213.29]) by maila2.tigertech.net (Postfix) with ESMTP id 9EC86240A4D for ; Wed, 22 Jul 2015 13:30:57 -0700 (PDT) Content-Type: multipart/alternative; boundary="Apple-Mail=_2EC63DC9-D4E1-4E14-B5F7-B53502C358AF" Message-Id: <3ACF1DD6-3C2E-4657-BF9C-E300C9FBFC12@skeletonhome.com> Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) Subject: Re: [AE] Compensating for temporal artifacts from subtle color shifts Date: Wed, 22 Jul 2015 16:30:58 -0400 References: To: After Effects Mail List In-Reply-To: X-Mailer: Apple Mail (2.1878.6) --Apple-Mail=_2EC63DC9-D4E1-4E14-B5F7-B53502C358AF Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii the added noise is also a good tip for cleaning up artifacts, banding, = etc. maybe a combo of the two?=20 b On Jul 22, 2015, at 4:09 PM, Byron Nash wrote: > Thanks for the tip. I tried that just now and it looks the same.=20 >=20 > On Wed, Jul 22, 2015 at 4:02 PM, Bruce Tovsky = wrote: > fading a black solid on and off sometimes cures these kind of things = for me - works in both avid and ae > b >=20 > On Jul 22, 2015, at 3:45 PM, Byron Nash = wrote: >=20 > > We have a shot here that is stuttering when it fades up and down. I = am tasked to find a solution. The issue is that the object is dark gray = fading up and then down over a black screen. The final RGB value is = [28,28,28], completed over about 60 frames. There aren't enough pixel = values in 8bit to make the fade happen without duplicating values and = having an odd cadence. The result is that the logo appears to strobe as = it fades up. Rendering in 16 bit theoretically removes the stuttering, = but we are unable to see the difference due to the displays being 8bit. = Dithering wouldn't work on a solid color without introducing noise, = right? This needs to end up in Premiere Pro. > > > > Can anyone think of any other way to get this to fade up smoothly? I = doubt they will change the color. > > > > Thanks >=20 >=20 >=20 >=20 >=20 > +---End of message---+ > To unsubscribe send any message to >=20 --Apple-Mail=_2EC63DC9-D4E1-4E14-B5F7-B53502C358AF Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii the = added noise is also a good tip for cleaning up artifacts, banding, etc. = maybe a combo of the two? 
b

On Jul 22, = 2015, at 4:09 PM, Byron Nash <AE-List@media-motion.tv> = wrote:

Thanks for the tip. I tried that just now = and it looks the same. 

On Wed, Jul 22, 2015 at 4:02 PM, Bruce Tovsky = <AE-List@media-motion.tv> = wrote:
fading a black solid = on and off sometimes cures these kind of things for me -  works in = both avid and ae
b

On Jul 22, 2015, at 3:45 PM, Byron Nash <AE-List@media-motion.tv> = wrote:

> We have a shot here that is stuttering when it fades up and down. I = am tasked to find a solution. The issue is that the object is dark gray = fading up and then down over a black screen. The final RGB value is = [28,28,28], completed over about 60 frames. There aren't enough pixel = values in 8bit to make the fade happen without duplicating values and = having an odd cadence. The result is that the logo appears to strobe as = it fades up. Rendering in 16 bit theoretically removes the stuttering, = but we are unable to see the difference due to the displays being 8bit. = Dithering wouldn't work on a solid color without introducing noise, = right? This needs to end up in Premiere Pro.
>
> Can anyone think of any other way to get this to fade up smoothly? = I doubt they will change the color.
>
> Thanks





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