Slightly Jerky Animation

I have noticed some of the animation in the following flash
piece is a little jerky, and I wanted to see if anyone had any
ideas on how to make it a bit smoother. I know I can increase the
frame rate (currently at 20, thinking about going to 24), but it
may not make too much of a difference. Any ideas?
Start at
http://www.ascenths.com/collections/
but that intro piece isn't what I am worried about. Click to
launch and flip through the content of the big piece. I am mostly
noticing the alpha fades and the masking effects on the very large
photos.
Also, can anyone tell me exactly what "compress movie" does?
Will I get an improvement if unchecked? Is it worth it?
All input would be appreciated!
Thanks!

I think there are performance issues (bugs?) with iOS 4. I've posted about jerkiness myself, as have many others. Just search for "jerky" and you'll see them all. Also, look at all the posts regarding battery usage when nothing is running.
If I saw this behavior on any other computer system, I'd say there were processes running that are gobbling up CPU time, memory, and in the case of the phone, battery.
In my case, I think there are runaway mail processes. The performance of my phone improves drastically when I inactivate my mail account.
Other people may have other runaway processes.

Similar Messages

I have problems with my films that become slightly jerky after I have imported and edited them in iMovie and then burned them onto a DVD using iDVD. I can see the weak jerkiness when panning in both laterally and vertically. I shoot with a camcorder Canon

I have problems with my films that become slightly jerky after I have imported
and edited them in iMovie and then burned them onto a DVD using iDVD.
I can see the weak jerkiness when panning in both laterally
and vertically.
I shoot with a camcorder Canon Vixia HF10. The camera has been set to deliver HD quality (1920x1080). But I have accidentally filmed with a frame rate of 60 (?).
When I import the films in iMovie I have been asked if I want to change to frame rate 30 (instead of 25). I have chosen 30.
Could it be the setting of a frame rate 60 in my camcorder that causes jerkiness when panning or what else?

I have problems with my films that become slightly jerky after I have imported
and edited them in iMovie and then burned them onto a DVD using iDVD.
I can see the weak jerkiness when panning in both laterally
and vertically.
I shoot with a camcorder Canon Vixia HF10. The camera has been set to deliver HD quality (1920x1080). But I have accidentally filmed with a frame rate of 60 (?).
When I import the films in iMovie I have been asked if I want to change to frame rate 30 (instead of 25). I have chosen 30.
Could it be the setting of a frame rate 60 in my camcorder that causes jerkiness when panning or what else?

Jerky Animation (Video Link) - WHY?

I have a simple animation with two keyframes moving horizontally. However, the movement staggers or 'chugs' across the screen.
Look: http://img21.imageshack.us/i/staggeredvideo.mp4/
That's not the actual ad, but the same mishap occurs.
Set up
AECS3, 30fps (same result at 29.97fps)
Several layers attached to a null object
The null has two keyframes (regular *diamond* kfs - same result with varied easing kf types)
The null moves the objects in time across the screen from point A to point B
Result - Jerky movement
Question: Why?Is there a way to resolve this?
I asked the awesome folks on Creative Cow, but thought I'd seek assistance here as well. Thanks in advance!

I don't see any staggering - and that on a machine that is currently rendering a 3D animation in the background and has a processor usage of 90%. So in all fairness, what you see are most likely issues with your local computer configuration/ hardware performance.
Mylenium

Jerky animation opening emails

I've got my 3GS set up to access my gmail via IMAP and my Hotmail accs.
More often than not, when opening emails, the animation of opening and displaying each email is somewhat jerky.
Anyone else having this problem?
Simon.

My email does the same thing. The phone froze 4 days after getting it. When I go to open an email it jerks for just a bit and then opens. I've tried resetting it. I'm wondering if I should restore the whole phone?

Jerky Animations on iOS 4.1

Since updating my iphone 4 to ios4.1, the animations are extremely jerky, especially when opening an app. There is a noticeable stutter before the app opens - it does not pop up smooth. Apps also seem to crash more often. Anyone else noticing this?

It's funny, I just updated my old iPhone 3G to 4.1 and from being super sluggish since 4.0 it's now very fast and everything is very smooth.. Yesterday I recieved my iPhone 4 and I updated directly to 4.1 and even though the phone is super fast I see this stutter that you're talking about - it's quite annoying! Also when you search in google, it sometimes hangs - it's doing the search like 10 times fast and then gives me the result. Some strange bug.

Need help with jerky animation in Flash CC

Hello,
I'm creating an animation of a planet orbiting the sun and it is stuttering a little bit no matter what I try. I'm working in Flash CC, the animation is done with a custom ease and only 2 keyframes (one at the slowest point and one at the fastest). The end result has to be .mp4 so I am exporting as video. But even the swf is a little jerky. My frame rate is 29.97. The animation path is oval in shape (using an oval guide path which the planet follows), the planet is small, maybe 6 mm across, and the planet's speed varies as it orbits the sun (thus the custom ease). The number of frames in the animation is 202, that's how long it takes for the planet to complete one rotation. That anim is then looped in the movie as a graphic.
thanks in advance for any help you can give.

Here would be a similar example, linear versus an ease tossed in. I made an oval similar to yours (633px by 446px) and just used it as a guide:
Here's some videos showing the movement I get per frame. You can even see Flash Pro (CS6 in this case) exporting some odd frame choices. For example right before the 5 second mark the circle jumps 2 movements and stays in place for an extra frame (easy to see stepping through it using arrows and Quicktime player). It does this consistently even when using "None" for Quicktime compression, or using a codec.
Here's some video examples (30FPS over 202 frames, 6.7 seconds):
Linear Movement
-60 to 60 ease at the opposite side
(Source MOV (Animation codec @ 85 quality) to verify MP4 is the same)
I imagine your results are the same. It's just too much movement for to little time to really get it to play back smooth. Double the time and you'll cut that in half and I think you'll be happier. Increasing FPS beyond 30 might not be a good idea as playback will start to become machine dependant at that resolution and it could bog even worse.

Jerky Animation

I play Fish World in Facebook, & sometimes the 'fish" swim across the screen in a "jerky" movement....How do I correct this?

I run it in chrome on the iPad and it is running smoothly.

Choppy/Jerky animations iPhone 5c 16GB iOS 8

After updating my iPhone 5c to iOS 8/8.1 it's really choppy. Choppy animations/scrolling in the Notification Center. Choppy animation when pinching in/out of cities in Weather. Is there someone who has got any similar problems with the iPhone 5c? Is it normal because it has the old A6 Chip or is it because of iOS 8?

I Have the same problem on both my iPad Air and iPhone 6.
For me, the only way to fix this is to turn off automatic updates.
Does someone knows how to fix this with automatic updates on ?
thanks

Choppy/Jerky Animations on Verizon iPhone

*I'm having an issue with my new Verizon iPhone, at random times for example when closing an app or scrolling through settings the animations and scrolling become very choppy and unsmooth. I was wondering if this is a normal thing or something I should be worried about.*

I am experiencing the same issue. It usually happens when I open or close an app. I have read that it could be iOS 4.2 related but not sure. My buddies iPhone 4 with the 4.1 software never has choppy animations.

File Error - FCP-6 - "not enough memory" ---DVDPro disk is slightly jerky..

I have a macbook. 2GHz Intel Core Duo, 1 GB 667 DDr2 SDRAM. Final Cut Pro 6.0.1
OS 10.4.11
I have a project file - HD that has worked fine up until now. And wouldn't you know it - it's just
when I need to be able to burn to quicktime that this occurs.
There appears to be a continuing "file error: not enough memory" - anytime I open a sequence - now in any project.
I have done a disk repair with disk utility. I zapped the P-RAM. I've tried dragging the project files to my laptop desktop. Nothing works.
I have a Lacie external drive with over 150GB of memory left. Another project was shot in HDV -
and it seems this started to occur after working on that project.
What else is there? Why is it doing this - of all things, now?
Please advise - ASAP!?
Also, one other small detail. If I have my sequence settings in FCP at DVCPRO-HD720p60, and I set my compressor file at 23.98fps - could that be responsible for a subtle jerking in the DVD Studio Pro Disk print? When I pull up the file in DVDpro - and play it on the simulator, the jerking is not present, only in the disk burn.

The memory that FCP is referring to is RAM. If you're running with less than a couple of gigs, larger projects will report that there's not enough memory... a gig isn't really enough to run FCP anymore. Tiger and Leopard use a LOT of it up so you probably need more RAM.
The other things that can use up RAM fast are graphics from photoshop, and if they have a blank layer in them, you'll get an out of memory error too. So might check that out, but my guts say you need more RAM for your laptop.
Jerry

Jerky performance in iBooks widget and Animate Deployment Package

Hi folks,
I'm making a interactive children's book using Edge animate as I wanted it to be full of rich interaction, animation etc. My plan is to make the whole book in Edge and then drop that Edge file into either iBooks author or Adobe DPS. When I preview the work in Chrome through the actual application of Edge it plays perfectly, really smoothly and with no lag at all.
However, when I export as an iBooks widget or use the Animate Deployment Package option and preview through either iBooks or DPS then I see a marked reduction in performance. There is a slight lag between tapping an item and the animations starting and they play through in a slightly jerky fashion.
I read a discussion on these forums where the person said they had noticed the same thing when they had used symbols in their work. Unfortunately, because of the complexity of my project, I have to use symbols. Is this just how it is?
It's not absolutely dreadful, and if if that's how it is then I can live with it - but I would prefer it to be as smooth as it appears on my browser previews.
Any thoughts or suggestions on what I can do to improve the performance?
Thanks,
Tom.

Hi Elaine,
Thanks for getting back to me.
The largest graphic that I animate is 1024 x 768, but I didn't notice any particular drop in performance between larger items over smaller ones. I did notice that bitmaps suffered more from the jerky framerate than DIV elements created within Edge, but I guess that's to be expected.
Most of the images are .pngs because they need to be character's arms, legs etc to make the figures animate, so that must be the issue I guess. I've probably just been spoilt from seeing it run so smoothly on my desktop browser!
The 'symbols' comment was something that I thought was odd too - I only mentioned it as it had been brought up on the forums in relation to playback issues in iBooks.
Anyway, like I said it's not dreadful so I'll just have to live with it as I can't optomize the graphics to not have transparency in this instance.
Thanks for your time,
Tom.

Timelapse frame DPI resolution. Clips are jerky.

Hello.
I am producing 10 second (ish) long timelpase clips. I import 300 odd 1920x1080 still images.
Project is set to 30fps (or 25, depending). Set to 1 frame for still images.
I am producing the still images on a DSLR, and resizing them in Canon Photo professional. I have the option of a DPI for each individual still.
Does anyone know what DPI is required for viewing crisp images on a HDTV? The default is 350. i have raised this to 1200 as 350 seems low.
The resulting clips have a slight jerky feel to them, the motion is not smooth. I am wondering if this is due to the DPI setting.
The finished clips size is roughly 50MB.
i am saving the clips in PE as AVCHD/MP4-H268 1920x1080p 25
Thanks for any assistance.
EDIT, here is an example https://vimeo.com/84488936
EDIT02. Also in Canon Photo Professional i have the option to tick "embed ICC profile". What does this mean?

cappedup
Thanks for the update. Sorry the news is not better.
This 25 frames per second that seems like half that...am I correct that this is for the playback of the
MP4 - H.264 1920 x 1080p25 export of the Timeline, not what you are seeing in the Edit Mode monitor when you are viewing playback of the rendered Timeline before export?
Do you see this slightly jerky video motion to which you refer in the Time Lapse before and after export?
What is the actual duration of your export of 300 jpg each with a duration of 1 frame?
I do not recall that I asked or your said, is this playback matter restricted to this particular batch of 300 jpg images or do you run into this problem with all your Time Lapse video projects?
I have gotten excellent results for Time Lapse video Premiere Elements projects so I am reluctant to characterize the experience as
Old school animation VS new age tech. Rhubarb and Custard Vs Toy Story!
And, if there were a glitch in the process, I would not dismiss anything as irrelevent, as I systematically ruled in or out possible causes for the glitch.
We could get into how the photos were introduced to the Timeline, possibities for slivers which at the Timeline level of 1 frame would be hard to detect if you had set for 1 frame per second in the preferences beforehand, and so on.
We will be watching for further developments when you have time.
Thank you for the follow ups.
ATR

Jerky playback

All of a sudden I'm getting jerky playback of video. I've tried the usual fixes: trash preferences, delete render files, repair permissions, repair disk, but nothing has helped. This happens in timeline and also with individual clips in the viewer, on all projects, playing from a variety of hard drives. It may be a coincidence, but it started happening today right after I played a few of the videos on the new google video site. Also, when I open the Mac Finder, the columns are slightly jerky, snaping back and forth laterally, which leads me to guess the problem might be in my system rather than in FCP, so a re-install of FCP might not help. My other programs are working normally. Any suggestions? I'm running the latest FCP 5.0.4.

Perhaps it is now time for the Harpoon solution (aka the Guinness solution in the mid and far west)
for those not in the know:
1. turn everything off.
2. unplug firewire cables
3. unplug power cords
4. get up from well worn chair
5. walk to refrigerator
6. open refrigerator
7. remove bottle of Harpoon (Guinness, local micro brew, etc)
8. pop cap
9. pour into glass ( you AREN'T going to drink it from a bottle, are you?)
10. sip responsibly. enjoy the moment. think pure thoughts
11. return to kitchen. If less than 15 minutes has elapsed, have another. Otherwise, retrurn to edit room.
12. Plug everything back together
12. fire up external monitors, VTR, external hard drives & computer in that order.
does it work now? If yes, congratulate your self. If not, oh well, but at least you are in a much better frame of mind to begin some serious troubleshooting.
cheerios,
∏

Jerky scrolling and Safari not displaying most jpegs in one user a/c

Hi
I upgraded my 15" mid 2010 MBP to Mountain Lion and find that it is behaving oddly. I have two different user accounts and the oddities vary between accounts. In one, most jpegs in Safari are not displayed, substituted with black rectangles with patterns of coloured dots (in the other, there is no problem with rendering pictures). The scrolling of pages is extremely jerky in Safari and far from perfect elsewhere (slightly jerky in Preview eg). Even the dock magnification is jerky, with icons breaking up as you pass over them.
In both accounts the scroll bar in Safari flickers on and off irrespective of whether the setting in General prefs is for the scroll bar to display permanently or not. The less troubled user account is noticeably snappier in action (eg opens the About this Mac screen with no delay compared with a second or so in the other account).
I've tried ditching the caches for Sarari with no effect. I rebuilt permissions after the install. I'm at a loss to know what to do next as it feels like a generic video problem but, bizarrely is more or less confined to one account.
Any clues?
Best
J

bizarrely is more or less confined to one account.
Check Safari > Preferrences > Extensions
If there are any installed, turn that OFF, quit then relaunch Safari to test.
If it's not an extension issue, try troubleshooting third party plugins.
Help here > Safari: Unsupported third-party add-ons may cause Safari to unexpectedly quit or have performance issues

Jerky Motion of MP4 file

Problem: Jerky Motion of MP4 file
Adobe Production Suite CS4
Windows XP Pro SP3
I have the following composition:
Composition: 1280x720 HDV/HDTV 720 29.97 square pixel
Layer: 4288x2848 jpeg image
Duration: 15 seconds
I slowly rotate the image.
In AE, it plays smoothly using the space bar.
I render as
Container: MP4 file
Codec: H.264/MPEG-4 AVC
Size: 1280 x 720
kbps: 6176
Frames/s: 29.97
GSpot says the created MP4 file looks like the following:
Codec: avc1
Name: H.264/MPEG-4 AVC
Container: mp42: MP4 v2 [ISO 14496-14]; - mp41: MP4 v1 [ISO 14496-1:ch13]
Recommended Display Size: 1280 x 720
Size: 1280 x 720
kbps: 6176
Frames/s: 29.97
Pics/s: 29.97
I play the file in Adobe Media, QuickTime, and Real Players.
The motion is very jerky.
The time progression bar moves in stops and spurts.
I created a new MP4 file with kbps: 13,000.
It was also jerky.
I created an AVI file, it plays smoothly.
Any idea how to correct this?
Thanks in advance.

Thanks for the feedback about why H264 is jerky on my computer.
As you suggested,
I used the FLV preset to create two FLV files.
Codec: FLV4/VP62
Name: Flash/On2 VP6
kbps: 1699
kbps: 5409
Both files work much better than the H264 MP4 file.
The kbps:1699 file is a bit jerky.
The kbps:5409 file is more jerky.
Since the files are on my hard drive, I am not sure why the kbps:5409 is jerkier since that is the rate DVDs play 720x480 movies at. I would expect the kbps:1699 to be of poorer quality because of the lower bandwith.
Just so you know where I am heading. I want to place my 1280x720P HDV/HDTV 720 29.97 square pixel AE composition on Vimeo.
Vimeo recommends "using the H.264 codec at size 1280×720, bit rate 3000-5000 kbits/sec (optimized for “download”), key frame every 30 frames (frame reordering on), using whatever frame rate you shot in. For sound, use AAC at 128kbps in stereo."
By the way, there is a HD video on Vimeo called "FIA GT3 Video Battle" which GSpot says uses
Codec: avc1
Name: H.264/MPEG-4 AVC
Size: 1280 x 720
Frames/s: 23.976
kbps: 1803
I downloaded it to my hard drive. On my computer, it is a slightly jerky but not too bad. Why my video using the same settings is so much jerkier than this video is unclear. Of course, as you explained, I cannot expect a H.264 codec to keep up with my slower computer. It is also unclear if I should Set Key Frame Distance to 30.
Is there a white paper or book that explains in detail the tradeoffs and recommendations for both HD web based and Blue Ray situations like this? Thanks again for your help.

Slightly Jerky Animation

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