Audio render files

Every now and then I run into this issue where FCP does not play the proper audio from the timeline. It think it has to do with the render files which are reminiscent from past renders. I don't want to delete all my render files for this project so what is the best way to fix this?

Highlight your clips in question and then press CONTROL-B...this turns the clip "off" on the timeline. Now hit CONTROL-B again to turn it back on. FCP will ask you to re-render, if a render is needed.
Shane

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Video Drive:Audio Render Files is missing

My Final Cut Express was working. Then I took a break and when I went to use it again I had to register the program. Once I figured where the serial number was I get this message...
"video drive:audio render files is missing. I don't know how to rectify this issue.
Any suggestions?

Hi David,
figured out the issue. the drive wasn't connected. Once I double checked it. the program fired right up. thanks for your help

Audio Render Files in Multicam Sequence Enormous. Cannot export Media.

Hello,
I am editing on a brand new 2.8 Ghz i7 Mac with 8GB Ram.
My project is 53 minutes long and made up of clips from about a dozen multicam sequences.
The client wants to see a rough cut on DVD. I figured this should be a fairly simple operation, but when I Export --> Media and select the setting for DVD, it tells me it will take over 3 hours to render audio. So, I set it to do the task over night, but that didn't help because the render files were so huge -- 20 -30 gigs each, that they filled up my hard drive before the project finished rendering. I don't have a spare drive with enough space for these enormous render files, though if that's the only solution I may have to get one.
I feel like there must be a simple work around? Sure, there are a lot of audio tracks in this project, but...it's hardly unusual. I did see a thread about this, but the advice was to "resample the bit rates" in another software, but I don't even know what software I could use for this. I have hundreds of files... there must be a better way? Do I need to get a huge drive for these render files? I tried exporting an XML to FCP, but it did not work, probably because of the multicam sequences.
Thanks.

No idea if this will help with your problem, but there is a CS6 Issue/Bug MXF http://forums.adobe.com/thread/1074489
Also, mixing SD and HD means that something has to give... and if you want everything at SD resolution, you may want to look up "interpret footage" in the help file, to "force" the HD video into the SD screen size (note that I do not mix video types, so I really can't give detailed instructions)
Also, if you export the MXF it would need to be into an SD file, not just another HD file of a different type

Why can't FC save the folder locations set for render files?

I wrongly assumed that when you go to system settings to select the scratch disks (root folder where all the audio and video render folders and files go, capture files, etc.) that Final Cut would save the folder locations within the FC project you are working in. Makes total sense, but for reasons I don't understand, FC does NOT save these folder locations and the result is that I have render files scattered all over the place on my hard drive and it is quite a mess! Fortunately, the project file remembers where it put the render files, so as long as you don't remove or rename any project folders, everything shows up rendered on the time line as it should. The problem is, if I'm working on several projects at once, I have to reset the scratch disks every time I reopen a project, otherwise the program will save it to the last scratch location selected and put all of the render files in another project's folder. I often forget to reset the scratch disks when I'm busy and now I have render files mixed up in various project folders.
Why can't you just set the scratch disks one time when you first set up the project and have the project always remember that location, instead of always having to reset them every time you reopen a project. I love Final Cut, but this is a product defect that should be addressed and corrected. If the project file can remember where it is putting all the render files, it should also be capable of remembering the scratch disk locations you originally selected when you first set up the project or better yet, save it to the project's root folder by default. Am I missing something here?

As MtD describes, FCP sets file locations for ALL projects at the system level. It may help to organize things this way so your files don't end up scattered across multiple locations.
Save the project files to your User folder on the boot drive.
For all the other files FCP creates, set them on a non-boot drive similar to this:
Media Drive
----->FCP Documents
---------->Autosave Vault
---------------->Acme Widgets Demo (sample project name)
---------------->Grass Valley Music Video (sample project name)
---------------->Jen's Wedding (sample project name)
---------->Audio Render Files
---------------->Acme Widgets Demo (sample project name)
---------------->Grass Valley Music Video (sample project name)
---------------->Jen's Wedding (sample project name)
---------->Capture Scratch
---------------->Acme Widgets Demo (sample project name)
---------------->Grass Valley Music Video (sample project name)
---------------->Jen's Wedding (sample project name)
----------->Render Files
---------------->Acme Widgets Demo (sample project name)
---------------->Grass Valley Music Video (sample project name)
---------------->Jen's Wedding (sample project name)
----------->Waveform Cache
Of course, you can choose to keep renders or the Autosave Vault folder on other drives ... just keep them off your boot drive. It may not be the way you're use to working, but it's worked well for me the past 14 years. When you finish with a project and ready to delete the associate files, just go to your media drive and delete folders bearing the project's name.
-DH

Ok to Delete the Contents of the Render Files Folder?

Hello Hello
I remember from using various PC Video Editing programs that each program established for itself a 'Render Folder', or sometimes called an 'Auxiliary Folder'.
This folder contained the contents of the previously rendered files as they related to a particular DVD burned project. Once rendered, the files were there to sort of help reduce the process time, (render time), required to burn another DVD disc.
In FCE HD, there is also a folder called 'Render Files', and also another folder called 'Audio Render Files'. Naturally the contents of these folders could easily amount to 2 gigs or more depending upon the project size.
Well - (aside from increasing Re-Rendering Time in regard to a new DVD burn), is it safe to delete the contents of the 'Render Folder' in an effort to free up hard drive space?
Thanx
Mike

Hi Mike,
You may have a couple of things mixed up.
In FCE the Render Files and Audio Render Files folders hold the render files produced by FCE. FCE uses those render files when you play the timeline, print to video or export a movie. You can delete them at any time because you can always re-render in FCE. However, you do need to be careful at the point when you export a movie from FCE (for example, to use in iDVD)
If you export to a QT Self-Contained movie, all the media for the movie you export (including rendered video & audio) is incorporated into the resulting QT movie file. Assuming a successful export, you no longer need the FCE render files.
However, if you export to a QT Reference movie, you need to keep the FCE render files available when you import your project into iDVD and build your DVD structure. When iDVD encodes & multiplexes to burn your DVD, it will use the QT Reference movie, which in turn uses the FCE render files (and your original media).
In iDVD, after you burn your DVD, you have the option of keeping the 'rendered assets'; these are iDVD render files and are inside your iDVD project file; they are not the FCE render files.
If you really want to save time burning subsequent DVDs, in iDVD you should Save As Disk Image (instead of Burn DVD), which gives you a completely finished, fully encoded & formatted DVD disk image. You can then use the Finder, Disk Utility or Toast to burn additional DVDs for only the burn time, you won't have to go through iDVD's menus & re-rendering just to burn an additional DVD.

Having trouble reconnecting render files

Hi-
I recently had to move a project from one hard drive to another, and although all the files are relatively in the same hierarchy (only the drive itself has changed) when I load the project in it shows almost the entire timeline needing rendering, both audio and video. When they were on the original drive, the entire project was rendered and it was completely done. Now when I look in my audio render folder and it seems that the render files are all split up in three separate project files... as time went on I would "save as" in order to have permanent backups, so maybe FCP is "confused" as to which of those subfolders each audio render file is in. The video render folder is similar, spread out in two different subfolders. So it looks like my render files are split among two folders in video render, and three folders in audio render. FCP never had any trouble with this arrangement before, keeping track fine.
When I select "reconnect" from the menu, "render files" is ghosted... it won't even let me select it. Am I really going to have to re-render everything to get my project back just because the files were moved to another drive?
Or could I try putting all the render files in one drive (move them up a level and out of the subdividing folders). Would that help FCP "find" them to reconnect with them? I'd backup the entire render file folders first in case it didn't work.
Thanks!
Leslie Bell

I'd not change project file names mid stream... it's really best to backup OFF the computer too. A USB flash drive works really well for this... When you change project names, and capture or render, the files get put into new folders named the same as the new project file's name... sort of messy.
You can put a flash drive in a USB port, and each day, just drag your project file to it, replacing the old... that way no matter what happens to your computer, the project file will not be affected.
Jerry

Render files end up inside Final Cut Express package

With all of the discussion here about rendering, I thought I'd let folks know that that 'ol bug that plagued Final Cut Pro for so long (and perhaps still does) is present in Final Cut Express 4.0.1 too: render files sometimes end up inside the package for Final Cut Express. I know this because I just experienced it while running FCE 4.0.1.
With Final Cut Express not running, control-click or right-click on the Final Cut Express application file, then choose "Show Package Contents". After that, open the folder, "Contents", then the folder, "MacOS", and inside, you may see a folder for video render files, one for audio render files, or both.
Assuming that you don't want to render to that location, then with FCE still quit, move any render folders (that you found inside of the package) elsewhere; and delete the four preference files for FCE, according to the instructions given in Tom Wolsky's on-line guide:
http://www.fcpbook.com/Misc1.html
Then start-up Final Cut Express and open System Settings. Once there, choose your scratch location(s): usually /Users/<username>/Documents/Final Cut Express Documents, if you are rendering to your boot drive. (If rendering elsewhere, simply specify a folder at that location.)
Next, move the render files from the package (that are now residing elsewhere) into the respective folders inside /Users/<username>/Documents/Final Cut Express Documents, if in fact you find their respective folders there and wish to use that as a scratch location. If not, or if you have specified a location on another drive, of if you want maximum integrity of your render files, then simply open your project file and re-render everything. But you might want to stop that process just a few seconds after starting it, then check inside your scratch folders to make sure that new render files are now being stored there. After verifying that, you can go back to your project file and resume re-rendering.
This issue may answer the question, "where are my render files". By the way, if you do a "Get Info" on the Final Cut Express application file and "Get Info" reports that that file is huge (say, several gigabytes in size), then it is likely that your render files are being stored inside.
Please excuse this post if the subject matter has already been discussed in this forum.

Eidschun, thank you for this thread. It doesn't matter how often it occurs, this information works on many levels and was a pleasure to read.

FCP is saving render files in the trash

FCP is saving render files in the trash,. Why? How cant i change this

video capture, audio capture, video render and audio render all checked and set to- work drive/my project folder.
Waveform cache/work drive/my project folder.
thumbnail cache/work drive/my project folder.
autosave vault/work drive/my project folder.
inside the project folder i have 11 subfolders
Audio Render Files
Autosave Vault
Bounces
Capture Scratch
Live type
motion
Prorez
Render Files
Thumbnail Cache Files
Tunes
Waveform Cache Files

FCP keeps dumping my render files

I can't understand this. I am using FCP 5.1.2 on a PowerMac G5 Dual 2.5
When I render video in my sequence everything is fine. The sequence plays, the red line above the timeline disappears as it should. Then when I quit FCP and then either immediately restart FCP or even some days later start FCP, everything is unrendered, the red lines are back and I get the media offline prompt to reconnect media. When I locate the media, the files are always in the trash. It seems to happen when I shutdown the computer, because when I boot up my trash shows content, and even before I launch FCP I can check the trash and it always contains FCP render files.
Anyone any idea what is going on?
Thanks in advance.

Hello and thank you to all that have replied to my troubles. Very big apologies for the delay in my response. Other work issues forced me to move on from this problem. Needless to say, this one hasn't gone away!
Here is a bit more info:
I have used FCP Rescue. I have deleted my FCP prefs folder. The root to my scratch disk is HD2/Final Cut Pro/Capture Scratch. This drive has between 60 and 100GB free most of the time. This drive is not my startup volume.
Just for reference, I am not sure if the folder heirarchy is correct for FCP. My Final Cut Pro folder on this drive contains the following folders in its' root:
Audio Capture Scratch
Audio Render Files
Autosave Vault
Capture Scratch
Render Files
Thumbnail Cache Files
Waveform Cache Files
Should all these folders be in the root of my Final Cut Pro folder? The reason I ask is that when I look into my Render Files folder the most recent projects I have worked on do not have project folders within this folder. In fact they do not seem to exist anywhere, apart from in the trash!!!
I hope you can pick back up on this issue for me. I am really only just getting to grips with FCP having been an AVID Media Composer person in a previous life. The software seemed fine for me when I didn't need to know what it did behind the scenes. Now I do and as you can tell, I'm struggling.
Thanks again.

Unbelievably slow audio render times!

I've been dealing with his for a while now on this documentary I've been working on. When I export my timeline which is right around an hour, it takes around 2 HOURS just to render audio previews before it will export! The bulk of my timeline is a single track with no effects at all. Video renders faster than the audio! The only thing unusual about my project is it is largely composed of longish multi-cam sequences - about 30 sequences ranging from 30 mins to 90 mins. It's appears PP is rendering audio for every bit of my source sequences even though only a few seconds or minutes of each one is actually being used. I don't know what else could be happening.
I was thinking that since some of the audio was recorded at 44.1K maybe that was a problem and some of the sequences had several tracks of audio so to solve this I went through every sequence and rendered out a stereo mix at 48/16 and deleted the old audio. That seemed to help for a while as with CS6 I was getting a very annoying "rendering required audio files" message every time I hit play until I rendered the audio which as I said takes a really long time. Also I can render this but if I close Premiere and re-open I have to render it all over again. It is not keeping the audio render files. Premiere CC is better about playing back without the render message but it still needs to render for export. I have no idea why it would need to render audio from 48/16 source files.
I have reported this to Adobe but just thought I'd put this here to see if anybody else is having issues. If any audio rendering should ever be required in this day and age it should be extremely fast. This problem has really brought exporting to a crawl for this project.
Adobe CC, OSX 10.8.4 on a 12 core Mac Pro with a GTX 570 32GB ram, and BM Studio. My RAID is a 3 disk internal raid with 3 3TB disks in RAID 0. The video renders reload properly. The situation would be better if the audio renders reloaded at least but why it needs to render "audio previews" for such simple audio is beyond me. And as I mentioned I went through quite a bit of trouble to make it as easy on Premiere as possible by replacing all of the 44.1 audio with 48/16 wavs.

Let me start by saying I am only a hobbyist and do this more for my son and niece since they are musicians and play live in a number of venues. I am not an electrical or audio engineer (I am an aeronautical engineer) so what I am about to say is based only on what seems logical to me… First rendering audio should simply be faster than rendering video given the amount of digital data that needs to be processed. That stated, I know that the Mercury engine using CUDA to process video vastly speeds the rendering of video. Regardless, using today’s CPUs (i7 3930K in my case) should and does more than make up for the additional processing power for rendering video using CUDA.
It seems to me that there is a bigger problem than whether or not we are flattening, nesting or locking our tracks. It shouldn’t take as long as it is taking for some of us to render audio!!!
I only experienced this problem one time. I am not even sure what I did to change the outcome on the same project that I have since edited and rendered many times. But now the audio renders very quickly (less than a minute). I will say that in almost all cases my music videos have different audio sources (44.1KHz, 48KHz 16bit, 48KHz 24bit, and 96KHz 24bit) and that I set all my sequences to 96KHz since my master audio sources are recorded at that. I use an external firewire RME Fireface 800 using RME ASIO divers to handle all audio. I do find that this setup can be stubborn in that there are times PPro CC doesn’t know what to do regarding my audio so simply won’t allow me to play any track. When this happens I simply remind PPro CC of my settings by going to Edit/Preferences/Audio Hardware then check that the Adobe Desktop Audio is set to ASIO FireFace and click on ASIO Settings to check that the buffer size and sample rate are correct. If they are not I read the flash from the RME and all is good.
But I diverge, there is a problem Adobe and it needs to be fixed. This never happened to me using CS6…

Best way to adjust audio on Final Cut Pro 5 Quicktime Export?? Render files

What is the best way to adjust audio on Final Cut Pro, Quicktime self-contained export? Please note all render files and orginals master clip are gone. So adjustments will need somehow be made to the exported Quicktime file.
As always thanks in advance for your reading and replying to my post,
Sebastian

Export the aiff file out of QT Pro, and import it into SoundTrack. Sweeten there

Premiere CC export causes audio to go out of sync...mac & PC...various codecs...including flat passes...disk cache cleaned...render files deleted...what is going on?

Hey all-
This is troubling. I'm getting slight audio shift every time I export a project. We noticed it originally when our sound guy brought in the OMF & realized the timecode and audio ended up coming out off by 3/4th of a frame. So we tested it...
Exports to .movs / .mp4s / .mpegs
Brought them back in to the project....
Sound gets off by a 1/4th of a frame to 3/4th of a frame.
Then we started tested different files. Doing flat passes where NOTHING changed, just a re-export under the settings of the source file...
sound gets off by a 1/4th of a frame.
Tried media encoder.
same thing.
cleaned the disk cache...deleted render files
same thing.
tried it on a new mac pro. tried it on a dell running windows 7.
same.
thing.
So is there a solve for this or should we just stop editing in Premiere? On a few occasions now I've had clients say "it seems like it goes out of sync right there" and I've gone back to the timeline and checked to see it was fine. Now I wonder if much of the work I've put out since I made the switch last year has fallen victim to this.
Is there any kind of solve for this? Should I just stop using premiere to cut? Because this is a deal breaker, especially if I'm going to have to rebuild the project I'm working on in another NLE.

avanishdivya thank you, but this did not help. I did exactly what you told me in both cases.
I haven't overclocked my pc and both of the suggested media encoder methods failed, my pc crashed and turned off...
Any other suggestions ?

Changing Render Files, Capture Cratch, Audio Scratch

Okay... I just got a new Lacie External 1.16 TB Hard Drive. (I only have an 80 Gig normal one, and it's full.) I've looked through the manuel, (I probably missed somthing) But, How do i put my Final Cut Express Render Files and Scratch Disks on my External drive? I don't want to mess anything up.

for video work it has been argued that having journaling on can possibly affect performance by slowing things up as it has to write changes to the disk although possibly not enough to make any perceptible difference. Some believe that this could add to any cumulative effect resulting in dropped frames. It probably won't make much difference unless working with uncompressed material.
IMHO, any unnecessary slowdown in performance is surplus to requirements and whereas ordinarily it is a good idea for journaling to be enabled in any other drive, on a media drive for video work it's simply not necessary as any final cut video file being worked on at the time of a crash/power-cut/drive failure would result in an unusable corrupted quicktime file.
Having said all that, I've worked with journaled and non-journaled media volumes and not noticed any difference!
(But then again, I've also worked on G4 imacs with 512MB of RAM and capturing to the system drive via a canon camcorder daisychained thro' an external FW drive with no problems - I must've trod in some lucky s*t! - but then the good Lord gives and takes away - I also live in Barnsley and support Leeds United!)

What are the "rules" regarding render files?

OK...one PO-ed user here, wondering *** is going on...
I've always said that FCP is about as weak as an early version of Media 100 when it comes to render files. You can search my posts (not that you'd want to...), and find that I've been complaining about every system I regularly work on losing render files like a 6 year old loses mittens.
However, it's hit the fan, thus this post. I work on a half-hour tv show. Let me mention that we shoot and edit in XDCAM EX 1080i60; this is notable as yes, I know, rendering in long-GOP codecs is slow. Oh, I know it...
Anyway, this past Tuesday I dilligently rendered my composite sequence, and the broadcast output sequence, and then exported the broadcast sequence for feed. All was well.
Today, I opened up the project so I could make final archives and web exports of the individual segments...and guess what? Gee, Wally, the entire sequence was, you guessed it, unrendered. Where did those pesky render files go? Well, I figured I'd try something I never try, and that was to reconnect them. Hopeless, right?
As it turns out, yes, hopeless...because when I navigated to the Render Files folder, there was a grand total of 11 render files for this particular project. Now, I don't change my System Settings at all...I like where things go, I have my media volumes set up, everything should be hunky-dory, no?
So to get to the heart of the matter...what process is tossing render files? Why are they disappearing from my hard drive?
I have folders from projects from 2 months ago that have some render files in them, but I don't have the render files my system (supposedly) created on Tuesday!
Anyone got any ideas?

Hey, Shane, as soon as I saw you posted I began to get deja vu all over again, as we had a discussion about losing render files which, yes, caused me to stop nesting...for the most part. So yes, here we again have evidence that the "nesting behavior" coding team took off early the day they were supposed to be bug-fixing...but i digress.
I nest only when necessary...generally, we edit "packages" (your acts) and then I get em, do whatever audio and color correction time allows, and copy and past them into my complete program sequence.
However, when all is well, good, revised and approved, I "edit" that complete 22:10 sequence into my "BS" sequence (you might guess, Broadcast Safe), which has the bars n tone requested by the broadcast mothership, and where I apply a light Broadcast Safe filter and a touch of compression to the audio. So I guess my only question here it...are you suggesting that I just splat-A my edited sequence and apply the filters to the gazillion-odd clips individually?

My Final Cut Pro render files seem to end up in seemingly random locations.

I find my Final Cut Pro render files seem to end up in seemingly random locations on the HDD. for example, they will appear in a sub-folder of an unrelated project. I would like my render files destination to be in a sub-folder for the project I am working on. How do you tell Final Cut where to put the render files? Can't figure it out.

By default they are put inside your scratch folder, so if you change the scratch disk and forget to change it when you switch to a different project, your render files will be put inside the other project's scratch folder.
You can change this by going to Final Cut Pro > System Settings. If you click the Set button below your current scratch disk (not the one next to it) you can assign a second location just for the video / audio renders if you desire (this must be on a different disk though).

Audio render files

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