From: "Rick Gerard" Received: from bosmailout09.eigbox.net ([66.96.187.9] verified) by media-motion.tv (CommuniGate Pro SMTP 6.1.0) with ESMTPS id 7481957 for ae-list@media-motion.tv; Sat, 21 Dec 2019 19:18:22 +0100 Received: from bosmailscan01.eigbox.net ([10.20.15.1]) by bosmailout09.eigbox.net with esmtp (Exim) id 1iijKX-0004Qu-2A for AE-List@media-motion.tv; Sat, 21 Dec 2019 13:18:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mstrg.com; s=dkim; h=Sender:Message-Id:In-Reply-To:To:References:Date:Subject: Mime-Version:Content-Type:From:Reply-To:Cc:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=bBykEym1j4r+vEXL2Fq0uNaSa2+OkB2sP6mnkbOU8ec=; b=Azf4xgVByKNQPJR64mUSyXWe8L Ur+pSMw4dQJUBXzeeKuh3PKRLrHUv6QPog0lLdSkAdPXzyOiyHMRM37KYCyAybzk2u2mtiX4GvwCR A3BbU6hBKLgCQ6IJSvJv+RLfEVX+xtWRdKuiLq3+882A+se8CgA/dYAQ8vtLnrlg96DH3a9XRibqw sXNycd5TSouLUgSXNAM9y19NIDI6ppNbjo26QeUmvCVdMOgVW+77wV6wz0C0kz/T1ApPF51zhfA9T oHcoT/B8t052c+IGFDA+6cHnx+5PAw9etTXgddT+rRibToyXzRszCJqoGC5SdtzBrXSHiG/2kTYuV bhC2LtmA==; Received: from [10.115.3.31] (helo=bosimpout11) by bosmailscan01.eigbox.net with esmtp (Exim) id 1iijKW-0004rG-S8 for AE-List@media-motion.tv; Sat, 21 Dec 2019 13:18:20 -0500 Received: from bosauthsmtp05.yourhostingaccount.com ([10.20.18.5]) by bosimpout11 with id giJH2100F06Zqne01iJLFg; Sat, 21 Dec 2019 13:18:20 -0500 X-Authority-Analysis: v=2.2 cv=RKvDJ8q+ c=1 sm=1 tr=0 a=eBvjjtMVdWwtQGedh7GyLg==:117 a=+fNCsvVYfgsOWX7dqrClyQ==:17 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=pxVhFHJ0LMsA:10 a=MOoPLM9SH6MA:10 a=HTVtGTxIAAAA:8 a=OQv73V1jyda0w0ZI67YA:9 a=fjB4dEuNoTzh9x8z:21 a=gXQiLX05fAasvKEn:21 a=QEXdDO2ut3YA:10 a=naD9dnBiXzUA:10 a=TqRqwmnkDFxtBsaH:21 a=cxV1Lsd60orBJIGj:21 a=SkveWV5Dibw5bONV:21 a=_W_S_7VecoQA:10 a=1RhbmHAtC_TFVCTfagjW:22 Received: from [69.4.147.69] (port=63558 helo=[192.168.1.21]) by bosauthsmtp05.eigbox.net with esmtpa (Exim) id 1iijKT-0002bW-Gh for AE-List@media-motion.tv; Sat, 21 Dec 2019 13:18:17 -0500 Content-Type: multipart/alternative; boundary="Apple-Mail=_CFBD2CB5-E883-4B50-9BB1-3046CDD2BC05" Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) Subject: Re: [AE] Stupid question about baked in framerates on footage Date: Sat, 21 Dec 2019 10:18:13 -0800 References: To: After Effects Mail List In-Reply-To: Message-Id: <8C895344-6086-4E8A-951C-C531A5CC1BE0@mstrg.com> X-Mailer: Apple Mail (2.3445.104.11) X-EN-UserInfo: c662172581359b31880c5d4c8e0aae06:931c98230c6409dcc37fa7e93b490c27 X-EN-AuthUser: rg@hottek.net Sender: Rick Gerard X-EN-OrigIP: 69.4.147.69 X-EN-OrigHost: unknown --Apple-Mail=_CFBD2CB5-E883-4B50-9BB1-3046CDD2BC05 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 First, keyframes in After Effects are based on time not frames. You can = change a comp frame rate from 15 to 60 and a 3 second animation will = still take 3 seconds and there will be not skipped or duplicated frames = in any of the animation. The only way you can end up with duplicate, = blended or skipped frames in an animation of any kind is to open up the = composition settings and set the comp to maintain frame rate when nested = or rendering and then nest the comp in a comp with a different frame = rate. The same goes for time remapping. Animate a text layer going from left = to right in 1 seconds, pre-compose, timeremap and change the move to 10 = seconds and NO frames will be duplicated, you will get smooth movement. Now let=E2=80=99s address your problem video. Changing the = interpretation of the frame rate of the video changes the timing. If = timing is critical the frame rate of the video must exactly match the = frame rate used to snoot the video.=20 If you have a recording from a monitor or video feed that is at 30, but = the original footage is at 23.976 then you end up with funky frames in = the copy. If you are lucky enough to have timecode burned in then you = can check the timing and make sure that 30 seconds is really 30 seconds, = but there is nothing you can do about funky playback. You=E2=80=99ll = have to do your work using the video as a time reference and just not = worry about the reference video. This may make your work difficult to look at with a very critical eye, = but if you are just creating graphics and you do not have the original = video to work with, you just have to rely on the timing and send the = client a comp or a render that matches their project specifications. I hope that makes sense. If their video is the right length, the = stutters and jerks during playback are not important unless that is the = only source of the video that you have. The only way I know of to verify that there are funky frames in the = video is to step through it one frame at a time. Force the video to run = at a specific frame rate by setting the interpretation and step through = one frame at a time using the footage panel. If you get duplicate frames = or blended frames then the problem is in the recording and you must get = your hands on the original video. I hope this helps.=20 > On Dec 21, 2019, at 7:17 AM, Greg Balint = wrote: >=20 > I did try that actually. It is nded up being all over the place, as = the pattern was like a 12234445677 etc. No rhyme or reason other than = both single extra frames and double extra frames dispersed throughout. = Might have been something that was 23.976 then upped to 29.97, then up = again to 30? =20 >=20 > I fear I may end up having to remake portions of the graphics. Gonna = be sloppy and not ideal I think.=20 >=20 >=20 > ///Greg Balint > //Art Director / Motion Graphics Designer > /321.514.4839 > delRAZOR.com/ >=20 > On Sat, Dec 21, 2019, 9:55 AM Jim Curtis > wrote: > Have you tried stepping through the footage frame by frame in a = section with motion? This can reveal footage that was converted from = 23.976 to 29.97p, for example, by noting that the cadence is 12344, = 12344... - every fourth frame repeated for one frame. That can give it = a jerky look. >=20 > I=E2=80=99ve encountered this several times. I put it in an NLE, and = manually remove every fourth frame. The result is a shorter clip, but = at least it smooths out the motion. >=20 > Obviously, this would present problems with audio. But, you could = take address that with some time-remapping. >=20 >=20 >=20 > > On Dec 21, 2019, at 8:40 AM, Greg Balint > wrote: > >=20 > > Hey everyone,=20 > >=20 > > I have a video asset that a client provided me from a previous = vendor they had working on their videos.=20 > >=20 > > The only version they have is a 30fps clip of graphics and video = that is actually running at some lesser fps than 30. It stutters and = jerks during 30fps playback. I can't say it's 24fps or 23.976fps, but = it's definitely irregular when the frame pauses and doubles happen in = the 30fps asset.=20 > >=20 > > I've tried the interpret footage dialogue and tried all the = different drop downs for the fps stuff but nothing seems to make this = smooth.=20 > >=20 > > I know this seems like an amateurish question, but I can't figure = out what to do here. Any guidance would be appreciated.=20 > >=20 > > Thanks!=20 > >=20 > >=20 > > ///Greg Balint > > //Art Director / Motion Graphics Designer > > /321.514.4839 > > delRAZOR.com/ >=20 >=20 > +---End of message---+ > To unsubscribe send any message to > --Apple-Mail=_CFBD2CB5-E883-4B50-9BB1-3046CDD2BC05 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 First, keyframes in After Effects are based on time not = frames. You can change a comp frame rate from 15 to 60 and a 3 second = animation will still take 3 seconds and there will be not skipped or = duplicated frames in any of the animation. The only way you can end up = with duplicate, blended or skipped frames in an animation of any kind is = to open up the composition settings and set the comp to maintain frame = rate when nested or rendering and then nest the comp in a comp with a = different frame rate.

The same goes for time remapping. Animate a text layer going = from left to right in 1 seconds, pre-compose, timeremap and change the = move to 10 seconds and NO frames will be duplicated, you will get smooth = movement.

Now = let=E2=80=99s address your problem video. Changing the interpretation of = the frame rate of the video changes the timing. If timing is critical = the frame rate of the video must exactly match the frame rate used to = snoot the video. 

If you have a recording from a monitor or video feed that is = at 30, but the original footage is at 23.976 then you end up with funky = frames in the copy. If you are lucky enough to have timecode burned in = then you can check the timing and make sure that 30 seconds is really 30 = seconds, but there is nothing you can do about funky playback. You=E2=80=99= ll have to do your work using the video as a time reference and just not = worry about the reference video.

This may make your work difficult to = look at with a very critical eye, but if you are just creating graphics = and you do not have the original video to work with, you just have to = rely on the timing and send the client a comp or a render that matches = their project specifications.

I hope that makes sense. If their video = is the right length, the stutters and jerks during playback are not = important unless that is the only source of the video that you = have.

The only = way I know of to verify that there are funky frames in the video is to = step through it one frame at a time. Force the video to run at a = specific frame rate by setting the interpretation and step through one = frame at a time using the footage panel. If you get duplicate frames or = blended frames then the problem is in the recording and you must get = your hands on the original video.

I hope this helps. 

On Dec 21, 2019, at 7:17 AM, Greg Balint = <AE-List@media-motion.tv> wrote:

I did try that actually. It is nded up being = all over the place, as the pattern was like a 12234445677 etc.  No = rhyme or reason other than both single extra frames and double = extra frames dispersed throughout. Might have been something that was = 23.976 then upped to 29.97, then up again to 30?  

I fear I may end up having to remake portions of the = graphics. Gonna be sloppy and not ideal I think. 


///Greg Balint
//Art Director / = Motion Graphics Designer
/321.514.4839
delRAZOR.com/

On Sat, Dec 21, 2019, 9:55 AM Jim Curtis <AE-List@media-motion.tv> wrote:
Have you tried = stepping through the footage frame by frame in a section with = motion?  This can reveal footage that was converted from 23.976 to = 29.97p, for example, by noting that the cadence is 12344, 12344... - = every fourth frame repeated for one frame.  That can give it a = jerky look.

I=E2=80=99ve encountered this several times.  I put it in an NLE, = and manually remove every fourth frame.  The result is a shorter = clip, but at least it smooths out the motion.

Obviously, this would present problems with audio.  But, you could = take address that with some time-remapping.



> On Dec 21, 2019, at 8:40 AM, Greg Balint <AE-List@media-motion.tv> wrote:
>
> Hey everyone,
>
> I have a video asset that a client provided me from a previous = vendor they had working on their videos.
>
> The only version they have is a 30fps clip of graphics and video = that is actually running at some lesser fps than 30. It stutters and = jerks during 30fps playback. I can't say it's 24fps or 23.976fps, but = it's definitely irregular when the frame pauses and doubles happen in = the 30fps asset.
>
> I've tried the interpret footage dialogue and tried all the = different drop downs for the fps stuff but nothing seems to make this = smooth.
>
> I know this seems like an amateurish question, but I can't figure = out what to do here. Any guidance would be appreciated.
>
> Thanks!
>
>
> ///Greg Balint
> //Art Director / Motion Graphics Designer
> /321.514.4839
> delRAZOR.com/


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