Color Filling Over Time Help

Hello, I am working on an audio template. I am trying to make a waveform similar to the one you can see in Soundcloud. I've managed to program an expression to generate the waveform. But I am having an issue with filling up the waveform with a color with respect to time. For example, do you see on soundcloud how the waveform fills up orange as the song progresses? This is the concept I am trying to work on. Here is what I have so far:
I want the blue bar to move to the right over time, but I only want the white parts of the waveform to turn blue as it progresses (the rest of the blue solid hidden). How would I go about doing this? My knowledge in After Effects is limited so any help is GREATLY appreciated! Thank you
Please let me know if you need more information

So just to clarify you are trying to create a levels representation for the duration of an audio file and not an animated audio frequency analysis. If that's what you're doing just pre-compose those hundreds of layers or nest the comp in your main comp and then use the track matte. If it were me I'd probably just import the audio layer into the comp, press the L key twice to reveal the audio wave form, press the ~ key to make the timeline full screen, expand the wave form, take a screenshot, add the screenshot to the comp, apply Keylight, then add a shape layer below the screenshot, set the screenshot as an inverted alpha track matte for the animated gradient and be done with it. This comp would be nested in my main comp to complete the effect.
If I wanted a different look for the waveform I would edit the screenshot in Photoshop or use a Premiere Pro or any other program to capture a screenshot of the waveform. Since you've done all the work of creating your hundreds of layers I'd just pre-compose them all, drop a shape layer with an animated gradient below the pre-comp and set up the track matte.

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This topic pertains to iTunes for Windows version 10.1.1 and most likely all prior versions. At the time of this writing 10.1.1 is the latest version.
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Details:
When several tracks are to be copied to the portable device; either an iPod or an iPhone, and I have successfully reproduced this on both an iPod nano 5th Generation and an iPhone 4, sometimes a track is accidentally copied twice while, one of the selected tracks isn't copied at all. The user will notice when this occurs, that during their sync, one of their songs just seems to be missing. Syncing again will then copy the track which was missed during the last sync, but unfortunately, the 2nd copy of the track that was erroneously duplicated remains. The track which is duplicated appears in the hidden folder on your iPod file system as both the AAAA.mp3 filename structure and the <track name>.mp3 file name. Oddly enough, when this bug occurs, the itunesDB does not associate to the AAAA.mp3 like it normally would, but to the <track name>.mp3 and the AAAA.mp3 file is just wasted space on your device which cannot be recovered without manually deleting this file (a task which is impossible on an iPhone without hacking the device).
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Make sure "Enable disk mode" is checked for your device, and browse to (Drive Letter):\iPod_Control\Music\ and you will eventually find that exact number of files which have actual track names instead of the standard AAAA.mp3 type filename. Next, in iTunes, remove ALL songs and any other forms of audio (such as podcasts), from the device. Your music folder techincally should now be empty, but as you browse through the hidden Music folder in the device, you will stumble upon a couple of files that remain. These are the orphaned files I've been talking about.
The effect:
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The Fix:
Some sort of bug is causing this erroneous duplicate copy to be generated, and then the database to actually reference the erroneous copy instead of the AAAA.mp3 copy. One workaround iTunes could actually build in some sort of enumeration function that scans all of it's internal F## folders in the Music folder looking for these orphaned files, and simply erase them if they are not contained in the itunesDB. Pushing out this type of behavior into a new iTunes release would also fix the problem for all the people who've already racked up GBs of wasted space as that space would suddenly become available again for apps, tracks, and other files.

Two steps forward - one step back.
Thanks to insight from others here I enabled disk use and went to [drive letter]/iPod/control/music
There I saw a long list of folders called F00, F01, F02 etc.
In my case there were 49 of them with roughly 400 files in each folder.
The bulk of the files were named ABCD.mp4 down to ZYXW.mp4.
In each of the fifty folders were, as predicted above, a handful of song files labeled as such - ie borntorun.mp3 or iseered.mp4
I opened each and every one of the folders, deleted the files with real names and synced the pod.
On my 120 GB the yellow "other" fell dramatically, down to under 1 GB. Which is under 1% of the total. Not great but acceptable.
So far, so good.
Now that I had fresh space I set about adding new songs to the pod.
Imagine my disappointment when I rechecked the F00 to F49 folders and saw that song name files had crept back in. Not as many, and I was able to delete them quickly and keep "other" under 1 GB. But still. It's like having crab grass or rodents.
Is there any hint that iTunes might address the underlying cause?
In the gripping process of deleting four or five files from each folder I noted that some specific files came up again and again. Just for laughs I'm going to delete and re-add those songs in case that helps.

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Things You Can Do To Resolve Slow Downs
If your computer seems to be running slower here are some things you can do:
Start with visits to:     OS X Maintenance - MacAttorney;
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Boot into Safe Mode then repair your hard drive and permissions:
Repair the Hard Drive and Permissions Pre-Lion
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
Repair the Hard Drive - Lion/Mountain Lion/Mavericks
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the Utilites Menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD disk icon and click on the arrow button below.
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OS X performs certain maintenance functions that are scheduled to occur on a daily, weekly, or monthly period. The maintenance scripts run in the early AM only if the computer is turned on 24/7 (no sleep.) If this isn't the case, then an excellent solution is to download and install a shareware utility such as Macaroni, JAW PseudoAnacron, or Anacron that will automate the maintenance activity regardless of whether the computer is turned off or asleep. Dependence upon third-party utilities to run the periodic maintenance scripts was significantly reduced since Tiger. These utilities have limited or no functionality with Snow Leopard or later and should not be installed.
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An excellent link to read is Tom Reed's Mac Malware Guide.
Also, visit The XLab FAQs and read Detecting and avoiding malware and spyware.
See these Apple articles:
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Troubleshooting Applications
I recommend downloading a utility such as TinkerTool System, OnyX, Mavericks Cache Cleaner, or Cocktail that you can use for removing old log files and archives, clearing caches, etc. Corrupted cache, log, or temporary files can cause application or OS X crashes as well as kernel panics.
If you have Snow Leopard or Leopard, then for similar repairs install the freeware utility Applejack. If you cannot start up in OS X, you may be able to start in single-user mode from which you can run Applejack to do a whole set of repair and maintenance routines from the command line. Note that AppleJack 1.5 is required for Leopard. AppleJack 1.6 is compatible with Snow Leopard. Applejack does not work with Lion and later.
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For some people Time Machine will be more than adequate. Time Machine is part of OS X. There are two components:
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2. A Time Machine application located in the Applications folder. It is
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Alternatively, get an external drive at least equal in size to the internal hard drive and make (and maintain) a bootable clone/backup. You can make a bootable clone using the Restore option of Disk Utility. You can also make and maintain clones with good backup software. My personal recommendations are (order is not significant):
1. Carbon Copy Cloner
2. Get Backup
3. Deja Vu
4. SuperDuper!
5. Synk Pro
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Referenced software can be found at MacUpdate.
Additional Hints
Be sure you have an adequate amount of RAM installed for the number of applications you run concurrently. Be sure you leave a minimum of 10% of the hard drive's capacity as free space.
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Check for applications that may be hogging the CPU:
Pre-Mavericks
Open Activity Monitor in the Utilities folder. Select All Processes from the Processes dropdown menu. Click twice on the CPU% column header to display in descending order. If you find a process using a large amount of CPU time (>=70,) then select the process and click on the Quit icon in the toolbar. Click on the Force Quit button to kill the process. See if that helps. Be sure to note the name of the runaway process so you can track down the cause of the problem.
Mavericks and later
Open Activity Monitor in the Utilities folder. Select All Processes from the View menu. Click on the CPU tab in the toolbar. Click twice on the CPU% column header to display in descending order. If you find a process using a large amount of CPU time (>=70,) then select the process and click on the Quit icon in the toolbar. Click on the Force Quit button to kill the process. See if that helps. Be sure to note the name of the runaway process so you can track down the cause of the problem.
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Purplehiddledog wrote:
I do backup with iCloud. I can't wait until the new iMac is available so that I can once again have my files in more than 1 location without needing to rely solely on the cloud.
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I assume that the restore would result in my ability to open Pages and Numbers and fix the problem with deleting apps, but this would also mean that if my Numbers documents still exist solely within the app and are just not on iCloud for some reason that they would be gone forever. Is that right?
In a word, yes. In a little more detail.... When you restore from an iCloud backup, you must erase the device and start all over again. There is no other way to access the backup in iCloud without erasing the device. Consequently, you are starting all over again. Therefore, it would also be my assumption that Pages and Numbers will work again and that the deleting apps issues would be fixed as well.
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Can't create a solid color fill layer !!

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no matter what I do on the color picker it remains white
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I click on the yellow bit of the vertical color bar & use the cursor to select the precise shade of yellow
to the top right there is a small rectangle
the color I choose - yellow - appears on the top half , the bottom half is white
I click OK so my small box is top-half yellow, bottom half white - the layer stays stubbornly white
shouldn't it go the color I choose ??
Now whats driving me mad is that last week I was doing this for fun
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the opacity down to 20% or whatever
I have opened one of the psd files I created & the color fill layer is yellow
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when I edit the color the small rectangle is entirely yellow - top & bottom
I don't know what I am doing differently or not doing that I need to do ...
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YESSSS !!!!
sanity restored.....you, sir, are a genius.
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Setup a new Macbook Pro to minimize application slowdowns over time

Hi,
I own a dual G5 2.0 tower which has become (over time) extremely slow...it seems I get the spinning beachball all too often, but have plenty of ram and HD space. Even when opening JPEGS.
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Forgive what may be basic questions, but do I setup a partition initially on the internal drive (and have 2 system folders or something similar?) or will simply setting up different users to access only certain applications help? (I assume not).
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I really appreciate any tips or suggestions and hope that my questions make sense. I realize I want the computer to "do it all" but can't afford it to be strictly an editing station, as I'll be selling the G5 to help pay for the macbook pro!
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Understand that P2P software operates under the premise that you will have many connections to peers. Each network connection requires memory and CPU cycles to operate properly without timing out the connection or slowing down transfers. In fact, the faster the Internet connection and the more peers connected to your P2P application, the more resource intensive the P2P software will be. You will want to either close the P2P application or tweak it's settings so that it uses minimal bandwidth and resources while you are performing other tasks on your MBP. Try Azureus for torrents as it allows you to tweak settings very nicely.
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Color Filling Over Time Help

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