Ram previewing with multiple cameras

Hello
I'm a motion newbie...trying to ram preview a 10 second project with 2 cameras, a dolly cam and a sweep cam. The ram preview works for the dolly cam but when the timeline switches to the other camera it's obvious from the frame rate that that camera's view has not been processed into ram.
If I just Ram preview the sweep cam, which lasts for the remainder of the project it renders fine.
Thanks

I tried to replicate the problem but wasn't able to. DId you try a restart? Also, you might try copying all your project contents and pasting them into a new Motion project. If your project file is corrupt, this might help.

Similar Messages

RAM Preview with audio?

I'm making a music video, so I need to preview with audio to make sure timing is right................Problem is I can't get the RAM preview to render the audio file......I see the audio mu te button in the preview window but it does nothing when toggled on or off.......How do I get it to render the audio?

I recommend you check your porefs, whether AE even correctly recognizes your audio devices. if you have multiple outputs available, you may switch them around. The same may apply to your system wide settings. If e.g. you have a video capture card and it is your primary device, it may only correctly initialize when the edit program is loaded, but not AE. In addition turn off any fancies like Virtual Surround or such. The additional audio processing may throw things off track as well. For the audio files themselves, make sure the sound is on tracks 1&2, not 3&4. AE only sees stereo on the first two tracks. You may need to split the audio and import it again. Lastly open the Audio panle and see, if you not just have muted everything....
Mylenium

No real time RAM preview with Pr CS6.0.1 Open, Real time RAM preview with Pr Closed

When Premiere is closed I see real time performance on RAM previews (29.97fps), smooth UI interaction with and without Fast Draft enabled. When Premiere is opened I get poor fps in RAM previews, lagging UI interaction unless Fast Draft is enabled. Premiere Memory preferences are set to 6GB reserved for other apps, and Optimized rendering is for Memory. It seams that as soon as Pr takes on any processing AE's performance just dies until Pr is closed.
I've tried clearing caches in AE and in Premiere, restarts, and repair disk permissions,
Included is a realtime screen capture of what i'm experiencing, I open and close premiere twice to illustrate that it's not an isolated occurrence.
any ideas?
System Specs:
dual 2.26ghz quadcore MacPro4.1
OSX 10.7.4
32gigs RAM,
4000 for Mac.
CUDA 4.2.10, GPU driver 1.3.4.0.
Cache drive is a 2TB RAID 0 with 250MB/sec
Media is on RAID 6 with 600+MB/sec.
Premiere Pro CS6.0.1
After Effects CS6.0.1

I tried the same thing on my MacBook Pro and there was no issue. Here's my specs:
Processor 2.4 GHz Intel Core i7
Memory 8 GB 1333 MHz DDR3
Graphics AMD Radeon HD 6770M 1024 MB
Software Mac OS X Lion 10.7.4 (11E53)
I'd suggest:
Submit bugs to http://www.adobe.com/go/wish . More on how to give feedback: http://bit.ly/93d6NF

What are the steps to using camera & color space matching on footage with multiple cameras?

Hi there,
I am new to speedgrade, and need to use the Camera and Color Space Matching technique to automatically color correct my sequence which contains footage from multiple cameras. I have watched all the videos on speedgrade on AdobeTV and lynda.com that I can find, but haven't been able to find one that actually shows me how to do so. Can anyone point me to a video/tutorial where I could learn the steps for the process or outline them for me if that is easier?
Thanks!

I'm in the same boat. There is a new 'camera matching' function that premiered at NAB 2013, but when will it be actually available...? As to your original question, look up getting a proper White and Black balances with each camera first. Learn how to work with HSL and RGB values etc, and I think Karl Seoule has some videos that cover this under 'Color Finesse' vids at Adobe TV. Also check out the '3-Way Color Corrector' tuts and "Secondary Color Correction' tuts as well. And finally either on Adobe TV or Creative Cow there is on video that actually talks about matching either 2 shots or 2 cameras as well.
All this is to say here is no easy/simple way. I'm hoping when Adobe introduces the Color Matching in Speed Grade we can just use stills as reference in Speed Grade, develop 'looks' that match the cameras and then apply the looks in Premiere without having to use the huge .dpx files that we have to use in Speed Grade now, but that may just be part of the process.

AE CC 2014 Mercury Transmit Ram Preview with AJA flickers

Hey Everyone,
I have installed the latest AJA drivers and plugins and enabled Mercury Transmit preview in AE but when I render the preview the output flickers. One frame is normal the next is darker, normal, darker etc.
Has anyone got this working yet ?
Nic

Hi Nic,
I'm not familiar with that error message. It's probably generated by the AJA Preview plug-in. Can you post a screen shot?
8-bpc vs. 16-bpc does not always affect the appearance of the comp, it depends on the source material in use and how you are manipulating it. And in any case you can always switch between 8/16-bpc to get better performance when necessary. Keep in mind that switching color depths will invalidate any cached frames.
Some facts about RAM preview playback performance with video preview in After Effects:
Enabling video preview of any form uses the CPU and memory resources of your computer, and when these are in low supply can eventually result in slow frame rates during RAM preview playback. This is because as the frames are played they are transformed on-the-fly (no caching) to the format of the video preview device. The higher the memory requirements of the frame (resolution, frame rate, color depth), the sooner you'll see the playback frame rate slow down. After Effects does not have the option of dropping frames during playback to maintain playback speed, like how Premiere Pro does.
The AJA Preview plug-in does this frame transform more efficiently than After Effects, because AJA has optimized their hardware-based playback pipeline to perform these transformations. It can still eventually be impacted by performance issues. Also, the AJA Preview plug-in currently has some limitations with scaled comp resolutions and color management, so there may be times when you may want to use Mercury Transmit for video preview instead.
When you are having problems with real-time playback with RAM preview, regardless of whether or not video preview is enabled the answer is always the same: reduce the resolution, frame rate, and/or color depth of the comp. The Resolution and Frame Rate/Skip controls in the Preview panel are intended for you to do exactly that, and the Shift+RAM Preview Options allow you to define two different sets of controls so you don't have to fiddle with those options frequently. Also, enabling color management will slow down RAM preview, as it does an on-the-fly transformation to correct the colors for screen display, similar to video preview. You can either choose View > Use Display Color Management to disable just the display correction, which will likely result in wrong color appearance of your comp, or disable color management in the Project Settings dialog altogether. Re-enable color management when you want to check the colors.
Otherwise, the best solution for slow playback in After Effects when you have a memory-intensive comp is a more powerful CPU and more RAM.

Premiere Pro CC - can I waveform sync with *multiple* camera and audio clips a la Pluraleyes?

Many of us use Pluraleyes to sync DSLR and 2nd audio WAV files using waveforms. (No timecode.)
The ability to sync in Premiere Pro CC was mentioned in several feature lists, but I only see the ability to sync one clip at a time.
Is there no way to line up several MOV and WAV files, with different start / stop times and no other match other than waveform, and sync them automatically in Premiere Pro CC in a sequence (or by creating multiple merged clips)? In other words, can I mimic the functionality in Pluraleyes in this new version of Premiere Pro?

Currently, the best way to do this is by selecting all the clips in the project panel, right click on them and select Create multi camera source sequence. Sync via audio, choose your audio sequence settings (if you want audio from both clips, select all cameras) then hit ok. Multicamera is smart enough to do this batch process and make multiple MC Sequences with only the clips that match each other. Unfortunatly merged clips or timeline sync will only do one at a time. If you wish to have this behavior in merged clip and/or timeline sync, please file a feature request: https://www.adobe.com/go/wish

Flash Media Encoder with multiple cameras?

Hi,
Is it possible to stream 2 or more cameras on one computer
with Flash Media Encoder, or are you restricted to one camera per
machine?
Cheers

Hi,
As JayCharles explained to me, you run two instances of Flash
Media Encoder on the Computer. I was running 1 camera on just one
computer and so used 3 computers instead of using just the one
computer.
In my new case, I had 2 Cameras on the one machine.
When you launch Flash Media Encoder it will detect any
cameras you have on that computer, you will get a dropdown box so
you can choose which camera you want to use in this instance.
Choose the camera you want.
In the FMS URL box type the rtmp path to your Flash Media
server directory you want to stream this video to using either the
ip address or web address of the FMS server followed by the correct
path to where the file will be streamed to for example:
rtmp://192.168.1.10/vob/live
In the Stream Box type the name of the video file without the
.FLV tag, ie:
livevideo
Click the Connect button to connect the Video to the FMS
server.
When ready click the Start Button to start the stream.
So far you are streaming the video, but no one can see it.
Open a Dreamwaver page for example and go to:
Insert/Media/Flash Video (CS3)
or
Insert/Media/FLV (CS4)
Change the Video Type to Streaming Video
In the Server URI box type or paste in the rtmp address you
set:
rtmp://192.168.1.10/vob/live
In the Stream Name Box type in the Stream name you set in
Flash Media Encoder:
livevideo
The Skin type must be HALO, (Dont understand why you get no
choice)
Set the width and height of the Video on the page
Tick the Autoplay to play a pre recorded file, or tick Live
video feed if it is live.
Click ok.
If everything is correct then when you lauch the page the
video feed should be playing.
Lets assume it is, to add a second camera you just repeat the
same steps.
Open another instance of Flash Media Encoder on the Computer
you already have a feed running.
It might complain that the camera is already in use, as it
might try to connect to the same camera on the running application.
Open the Camera source dropdown and now choose the other
camera that should be available.
Put in the same info for the Server URI as you will also
stream to the same folder.
Chnage the Stream name now to:
livevideo2
Click Connect and also Start.
Open the Dreamweaver page you created for the first video.
Follow the same steps as before to create the Video on the
page
changing the name this time to livestream2.
You should now have 2 live video feeds on the same page using
two different cameras.
hope this helps.

WVC 210 and mobile streaming with multiple cameras?

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This topic first appeared in the Spiceworks Community

When I open Preview with multiple pictures, the graphics go crazy.

Whenever I go into finder and choose my CompactFlash card to open up some pictures, my complete screen locks up and then in about a minute everything starts moving again but my whole display looks weird. I took a screen shot. Here it is below.
http://i42.tinypic.com/x2ph0h.png

Hello,
I've also noticed a similar problem. Mostly it's just strange raster around the image if the window is larger than the image. Sometimes it fills the thumbnail area or messes up the menubar.
This problem seemed to occur after updating to Mac OS X v10.5.7.
I have tried trashing the Previews prefs files but that didn't help.
Any thoughts much appreciated!

Issues with performance and RAM previews

Just did a major system upgrade from an iMac to a Mac Pro, and now I'm having an issue with performance...specifically with RAM previews.
When I try to do a RAM preview with audio, it grinds my entire OS to a hault (can't switch apps, or click on much of anything). It eventually clears up enough for me to stop the RAM preview.
So, I'm wondering if maybe my Memory & Multiprocessing settings might be off.
Here are my system specs:
Mac Pro
2 x 2.4GHz 6-Core Intel Xeon (12 cores)
64GB RAM
ATI Radeon HD 5870
AE CS6 (11.0.2.11)
AE is installed on an SSD drive and the scratch disk is an internal HDD.
Here are my AE Memory Settings:
Here's my GPU Info:
Let me know if any other info is needed...

You are reserving far too little RAM for other software.
See this: "Performance tip: Don't starve your software of RAM."
(Also, I recommend going through all of these materials: http://forums.adobe.com/thread/543440 )
Regarding the SSD: Putting your application files on it means that applications load/boot faster. This is fine, but that benefit is just when you first start the application. If you put your cache files on it, then you get the benefit every time that something is read from or written to the cache---i.e., many times per second, for the entire time that you're working. Put your cache files on your SSD. BTW, there's no reason to not put your application files and caches on the same SSD. The reason that you split things across multiple disks is to prevent simultaneous reads and writes to and from a slow disk; the program loading from disk happens at a different time than reading and writing cache files, so there is no potential for conflict and slowdown.

After Effects CS6 error: RAM Preview needs 2 or more frames to playback - any ideas please?

Hi everyone,
I'm running After Effects CS6 (11.0.4.2) on a MacBook Pro 2.8Ghz with 16GB RAM (Mac OS 10.9.4)
As a test, I created a 3 and a half minute Sequence in Adobe Premiere CS6, and then imported this into After Effects CS6, and placed it on the AE timeline.
This footage involves a couple of 1920x1080p footage movies, some psds and a large number of JPGs exported from two videos arranged as a sequence in two layers in Premiere, one on top of the other. So all in all for a Premiere / After Effects file I'd say it's reasonably heavy.
I then did a RAM Preview with Multiprocessing switched off - the 3 and a half minute sequence loaded into RAM, taking about 1min 30seconds, and played back in realtime at 25fps. This worked fine with 3,4,5 and 6 GB RAM available to other applications in the Memory Preferences. All things considered I think this is quite good. I can make changes, reclick the RAM Preview icon and my changes load into RAM and it previews ok.
My only 'complaint' is how long the RAM Preview takes to load up the whole thing.
I've been reading up on Multiprocessing and decided to try this to see if I can speed up the time it takes my RAM Preview to load up.
So I looked at some recommendations from Adobe and read information on various forums including this one.
My settings in the Memory Preferences are currently
• 6GB reserved for other applications
• Reduce cache size when system is low on memory - unticked
• After Effects Multiprocessing - ticked
• Installed CPUs (processor cores) - 8
• CPUs reserved for other applications - 6
• RAM allocation per background CPU - 3GB
• Actual CPUs that will be used - 2
This combination takes about 25 seconds to load up my 3 and a half minute sequence which I thought was pretty amazing.
I then pressed the stop button and then the play button - so now just playing the sequence briefly.
And also added a new layer - into the timeline - just a simple shape.
Then I tried a RAM Preview again.
I found I could load up part of the sequence but not load the whole thing into RAM.
I kept trying to get a RAM Preview and got this message
"After Effects error: RAM Preview needs 2 or more frames to playback" which seems to prevent RAM Preview from working.
Eventually I quit and restarted After Effects and the problem went away temporarily and then came back when I tried again.
I tried various changes to the Memory Preferences - trying 3GB available for other applications. This gave 13GB of my 16GB RAM to After Effects.
This made it take slightly longer for the After Effects error to appear but it still appeared.
I tried ticking Reduce Cache size in the Memory Prefs - the After Effects error still appeared, so having read this is supposed to make the issue better I now leave it untucked, but as far as I can see ticked or untucked, it makes no difference, the problem remains.
I've since tried -
Making 2,3,4,5 and 6 CPUs available for other applications.
Changing the Background RAM allocation per background CPU to 0.75GB, 1GB, 1.5GB, 2GB and 3GB
Lots of combinations.
But in the end, I always get the "After Effects error: RAM Preview needs 2 or more frames to playback" error.
It might take less or more time for the message to show up, depending on the combination of settings, but in the end I always got the same message appearing.
And I notice that I can RAM Preview less and less of the timeline. i.e. it becomes more blue than it does green and will load in only a small section of the timeline as opposed to the whole thing.
Reading further, I tried Edit > Purge > Image Cache and Edit > Purge > All Memory but still get the error message.
I also tried ensuring there were no other applications running e.g. Safari or Chrome or Firefox. And certainly not Photoshop or Premiere etc.
Reading even further, I tried two Memory management applications - 'Memory Clean' and 'Purge.'
Neither has had any effect - the After Effects error still appears.
Then I went back into the Memory and Multiprocessing Preferences.
I unticked Render Multiple Frames Simultaneously. And now the RAM Preview loads the whole 3 and half minute sequence in entirety, taking about 1 and half minutes to do so. It's working as perfectly as if I'd just quit and re-opened the application.
Then I went back into the Memory and Multiprocessing Preferences.
I reticked Render Multiple Frames Simultaneously.
The chose Edit > Purge > All
And tried a RAM Preview again. It loaded up in 25 seconds, but then, as previously, the error message came.
I tried Edit > Purge All - no effect.
And I tried going into the Media and Disk Cache Preferences and clicked Empty Disk Cache - still the problem remains.
I understand from my reading that After Effects CS6 11.0.2 was intended to fix this issue but I'm on 11.0.4 and as far as I can tell, I still have it - assuming it's the same thing.
As far as I can see, not using Multiprocessing allows me to work without these errors but take a bit longer to load the RAM Preview.
However I'd like to be able to use Multiprocessing as it seems it can potentially speeds things up quite a lot. I realise I could just not use it and AE would work, but I'd rather be able to make use of a feature of the software if possible, especially if it will speed things up and make optimum use of the my computer's hardware.
I've downloaded a trial copy of After Effects CC 2014. I'm still testing it but as far as I can see the RAM Preview error appears in this version of AE as well, but can take bit longer to show up in my experience.
Thanks everyone - if anyone has any thoughts or advice I'd appreciate hearing your opinions.
Kind regards,
John

You need to have much more RAM reserved for other applications and more CPUs reserved for other applications. Your current settings are crippling your performance.
Read these:
https://blogs.adobe.com/aftereffects/2009/12/performance-tip-dont-starve-yo.html
http://blogs.adobe.com/aftereffects/2010/03/performance-tip-dont-oversched.html
After you have adjusted your settings according to the recommendations on those pages, restart your computer and try again.

Multiprocessing works for RAM preview, extremely slow and aeselflink crashes when in Render Queue

Hello all,
System specs:
Hackintosh
OSX 10.9
3.5Ghz (overclocked to 4.2Ghz) Core i7
Geforce GTX 580 classified 3GB Cuda GPU
AMD Radeon HD 6870 1GB Display GPU
32 GB of RAM
System SSD
5 drive internal RAID
After Effects CC 12.2.1.5
Cuda drivers up to date
I'm having a problem with the render queue and multiprocessing. I have a moderate sequence with several effects and 3D layers. When I'm working in the composition, everything goes great. I can RAM preview and all my CPU cores will kick up to 100% and render the composition in no time all; with full resolution with no skipped frames. It works fantastically.
Then when I go to render the exact same composition with the same multiprocessing settings, AE will hang at the "initializing background processes" for at least 5-10 minutes, during which the CPU will ramp up to 100% but no frames will be rendered. AE still remains responsive, as I can hit the stop or pause buttons and the queue will be cancled. But then the aeselflink processes (up to 8 of them depending on my settings, I've tried several) will still continue at 100% cpu load even with AE not set to render anything. I will have to go into the activity monitor and force quit each process. If I leave it for 5-10 minutes, it will finally stop initalizing and start the render, but the CPU will still run at 100% but the frames will crawl slowly forward at about 1 frame per minute, with an estimated 28 hours to render frames that were rendering in under a minute during RAM preview.
I have tried both reducing the number of cores AE will use, adjusting the allocated RAM, and disabling multiprocessing alltogether. When I disable multiprocessing, the render slows to a complete crawl, and it will render around 1 frame every 5-10 seconds. Again, this is on a composition that rendered in less than a minute on full resolution with RAM preview.
The only way to get this composition to render is to export it to Media Encoder, which will render it (without multicore processing, unfortunately) in about 8 minutes, still not the blazing fast RAM preview but at least it finishes it in under 3.5 hours (the amount of time that the multiprocessing disabled render in AE will take).
Here's the multiprocessing settings that have been very stable and carried me through other projects. Disk Cache is not enabled. The only other thing that is disabled is the "Disable Layer Cache" under the Secret menu as the plugins I'm using (Plexus 2 in this case) doesn't like to update when the camera moves so this option has been disabled to force it to reset each frame.
Does anyone know what is going on?
Also, please don't tell me that I should not use multiprocessing or instruct me on basic steps as to increase preformance on my machine. I have been tweaking my memory and multiprocessing settings for a long time now, and it is completely stable in everything but this setup. So please no answers saying "just don't use multiprocessing". It was made for a reason, it's effective, and it's needed. And please don't say that it's the hackintosh, either, as it's the most stable and powerful computer I've ever used. Sorry for the disclaimers, I just want to have constructive help.
Thank you in advance for your ideas!

Hi Rick, not sure if you saw the part where I said please don't reply with turning off Multiprocessing, and I did not say that it works and is effective in all areas. However, if you actally take the time to read my post, you will definately notice that RAM preview with multiprocessing takes under a minute to render a scene. Multiprocessing disabled and rendered in AE takes 3.5 hours. In Media Encoder it takes around 8 minutes. Clearly it IS working and IS effective for my case and my rig. Any vendettas against MP does not help my situation at all.

Random Flashing Color Bars within Quicktime Files during RAM Preview Only

I have been getting random color bar flashes within quicktime files in AE CC during RAM previews using Multi Processor rendering. Files other than .mov seem to not have this issue (although I have seen it twice...though it may be due to quicktimes in the comp). The rendered output using MP rendering is completely fine. If I turn off MP rendering the ram preview is fine. The source material is coming off a RAID 5 at 600-800MBs, I have moved the footage to a local SSD and a standard spindle drive with the same results. I have tried everything.....disabling GPUS in preview, disabling Fast Adaptive Preview, Disabling Disk Cache, Adjusting MP settings and RAM usage per core, disabling hardware accelleration of interface, adjusting gpu memory useage, every codec under the quicktime wrapper including uncompressed codecs, updating Blackmagic drivers, updating quicktime, limiting how many processors Windows 7 64bit can see, resetting AE preferences. I even installed After Effects clean on my second boot drive for gaming with no plugins or other apps, same issues. Have discussed this heavily with tech support at Adobe and they are working on it for a few days before getting back to me. When I got off the phone the tech was of the mind that I have too many cores for the Quicktime codec to handle.
My system :
Windows 7 64bit
Dual Xeon E5-2687W: 16 Physical cores and 32 cores with Hyperthreading
32GB 1866 DDR3
3xNvidia GTX 680 4GB cards
SSD boot and seperate SSD media cache drives
8TB internal SAS RAID 5 using a ATTO card
Blackmagic Deckline Extreme 3D+ card
Any help or thoughts would be greatly appreciated as this is a huge boon to my workflow. Having purchased a $12K system for grading and rendering....not being able to use the ram preview in AE with multiple cores is a huge inconvenience.

Here is the requested taskmanager screenshot. As my test comp only has a single duplicated quicktime in it, it renders too fast to really catch the AE instances doing anything. So this is from a heavier comp. Settings are as pictured above with 3GB per core using 8 total cores of the 32. It did flash the bars.
Here is what I tried tonight:
- Followed the link on Quicktime having trouble with too many processors. Using MSCONFIG I dropped the recognized Processors to 21, 16, and 8 and tested all three settings. Each had the flashing bars issue. Again as usual, at random, sometimes 3 previews before showing up, sometimes the first preview run. I have noticed that the ram previews that take a little longer seem to be clean. Then sometimes it seems to fly through the preview, grabbing large chunks on the green progres bar above the timeline, or many little chunks very quickly....these are usually the preview runs that will show the flashing bars. I make a point of purging the cach between each one so it doesn't remember, plus I have disk media cache off, but sometimes I get the feeling it's remembering bits.
- I removed all the Quicktime Components from the QTComponents folder and tested it. Flashed the very first run without any quicktime components.
- Followed the Firewall or TCP instructions and made sure everything was allowed through ZoneAlarm. However I could not find the QT32 Server listed anywhere or figure out how to add it. No matter because I closed and force quit all of the firewall processes as well to make sure. Still flashed.
- I followed all the advice on the landing page for Quicktime-related problems
- I also tested out ram previews again thourougly with the same clip but converted to a Tiff sequence. No matter what I tried there was never any flashing in the ram preview with tiffs.
- I also re-tested the clean render output. Made a ram preview with the flashing bars, then without purging rendered it out to a quicktime file and there were no bars at all in the rendered output. I even tried duplicating this render output 6 times in the render queue and rendered them all at once. Not a single one had a flashing bar frame. I even played all 6 1080P uncompressed 4.2.2 YUV 10bit pieces off the RAID with no dropped frames or hichups.
- Killed every process in the taskmanager but for essential windows processes and the flashing bars were still present
- Set the priority to Real-time for every AE process including Adobe QT32 Server, Dynamiclinkmanager, and all the AE processes. Still flashed.
I am now considering disabling two of my GPUs in the device manager. However I'm a bit worried about disabling the wrong one and being locked out. Any thoughts? Is the computer to powerful for some process somewhere? Why only in RAM preview? Thanks again.

There's got to be a better way to do this (RAM preview frustration)

I loaded a 1:20 second Full HD clip into after effects. I need to edit the video based on certain sounds in the video and see if I'm matching them up correctly by previewing it with sound.
The problem is i'm getting frustrated due to After effects not behaving like Premiere. First who thought it was a good idea not to incorporate sound into after effects? Second, I have an i7 sandy bridge processor, and 16 gbs of ram, yet it still takes time to render the ram preview (with no effects on it yet).
So ram preview is my only option for sound, but the problem is every time I hit ram preview it starts the video all the way from the beginning. This is frustrating as I want to start at a specific point. Imagine having a longer video where the editing needs to take place at the end.
There are people out there doing a lot more complicated professional projects, what do you guys do to get around this?
Why can't after effects do some basic things like premiere like render fast with sound? Is it due to Mercury engine and 64 bits?
This is one of the best products on the market, surely there is a better way to do this right?

but the problem is every time I hit ram preview it starts the video all the way from the beginning.
Window --> Preview, enable the "From current time" option
yet it still takes time to render the ram preview (with no effects on it yet).
There is no magic button. If it is compressed, naturally it needs to be decompressed and decoded first. This can consume resources even on fast machines. Furthermore, drive speed matters a lot in such cases. This might actualyl multiply, if you use multiprocessing, so for this kind of simple setup it's usually better to not use it. If your harddrives are fragmented or simply generally slow, frames cannot be loaded as fast and neither will AE be able to use the disk cache. Ergo, convert the footage and move it to the fastest drive in your system.
what do you guys do to get around this?
We preview at reduced compo resolution to extend RAM previews and place markers while the RAM preview plays using the * key on the numpad.
Mylenium

AE CC 2014.2 crashes after RAM preview.

Hey,
It crashes almost every time after RAM preview. I think it gives an error, but it's buggy and i can't see it correctly. The error box, the timeline, effects tab etc goes completely black. Can't close the program from anywhere else, only from task manager. And what's even more weird - it doesn't let me do a print screen of the crashed UI. What is there to be done?
Can't imagine it's because of the computer. I've got 32gb of RAM, 4gb graphic card with CUDA, i7. 2-3 months old, works perfect with other programs. Any thoughts?
Thanks in advance!

Does it do it when your RAM preview with just a solid in your project, and nothing else?

Ram previewing with multiple cameras

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