No audio on certain tracks

Hi,
I just upgraded from FCP 6 to 7. I'm editing a project that has 40 audio tracks and since I upgraded, certain tracks aren't playing and there doesn't seem to be any rhyme or reason to it to me (though I'm getting activity in the audio meters).
Any help would be appreciated.
Thanks.

Can you confirm that ALL of your audio is Aiff/16bit/48kHz?
Have you tried reducing the overall number of tracks, by moving some audio into lower numbered tracks?
EDIT - Additionally, do the spots where audio doesn't play have some type of media in a video track?
IIRC, there used to be an issue where some audio wouldn't play, if there was no video above it...even if that video was simply a slug.
Let us know,
K
Message was edited by: Kevan D. Holdsworth

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Logic wont play back audio regions under certain tracks.

Hello! I am rearranging my audio files (throwing them all to my secondary hard drive, where I record to ). I did this, and now certain audio files to do not play back in my logic projects, but there is no warning that says the file cannot be found--which is what I am used to happening. At that point I would either hit the Search button, or the Manually Find button. Instead, the region appears as per usual, just with nothing playing back. I know I could import the audio back into my projects manually--which would be fine for those that start at a specific, clean-cut time, but what about all those spliced and diced regions that are cut up and laid out all over the place!?
I discovered new details to the weirdness . . .
It seems, in the few projects that I relocated audio, that the affected regions cannot be played back unless I move them to another audio track. What??? For example, the vocal track in one song, which is all set up with its plugins and such as Audio Track 2, will produce no sound unless I drag it to another audio track, say Audio Track 3 or 4. It is bonkers!! What the heck is that about?
This is what happened in all of the projects affected by my source audio rearrangement. Sure, I could easily just copy my channel strip settings to a new track, relocate my audio region to it, and hope all goes well thereforth, but I would much rather get to the root of this oddity so it doesn't somehow buck me later.
What do you think it could be?
Oh yea, in one of the projects, all the other audio tracks seem to play back fine, except for the recorded bass track. Okay, so just to check, I drag the bass audio to another track--yep, it does play back. But I realized that the track that held the bass region (Track 4) is actually playing back the vocals (which are also playing back normally in their intended track). I initially didn't notice the extra vocals underneath my normal vocals track, with their low-key bass plug-in settings. Funny thing is, there isn't even a region on Track 4 any more! How is it playing anything back at all?? Not that it makes any more sense that it would be playing back vocals with a bass region.
Also, the fact that Logic Pro keeps quitting unexpectedly does not inspire much confidence. This has just been lately, and I've only been playing with these projects lately, trying to figure this out.
Is my Logic haunted? =(
I welcome any and all objective suggestions! I am feeling just the slightest bit overwhelmed by this odd behavior.
Thanks!
(i checked, but did not see that the tracks were muted in anyway, including the region itself)

I figured something out that might tell someone what I did to screw things up!
I think I did something to mess up the environment or something. I know this much now: When I created a new project, I created 6 new audio tracks. I noticed that a piece of previously recorded audio that I imported into the project would only play back on ever other track! I than noticed that on the every other track (that would not play back the audio when it was dragged to it), there was neither a single circle (indicating mono for the track) or the two overlapping circles (indicating stereo for the track) beneath the channel's level meter.
There must be some significance to this that I do not quite understand!
I then went back and launched several of my problematic projects to see if the tracks that would not play back audio also did not display either the mono or stereo circles on their respective channel strips. They did not! What kind of global setting did I change that would cause this?
There was one project that had one track that bared neither mono or stereo an played back its audio (Although, in this same project, there was another track that bared neither symbol that was not playing back its audio). Anyway, I noticed something that was weird to me, but will likely tell someone what the heck I must have inadvertently done to cause all of this:
When I change one audio track (that bares the mono symbol) into stereo, the next audio track (that didn't display either symbol) seems like it is combined with the previous track's output!
Very strange! Did I somehow set some global preference to split up my audio tracks across each not audio track?? If so, could someone please explain to me what and I did that? Thanks!

IMovie audio issues. Fine in timeline, but when rendering to iTunes or Media Browser, audio from certain portions of movie files are heard in places where it shouldn't be !

iMovie 11 audio issues. Fine in timeline, but when rendering to iTunes or Media Browser, audio from certain portions of movie files are heard in places where it shouldn't be !
I have created a project where I have a montage of photos and video clips edited together with music under. Some audio portions of the video files are being muted in some areas and those portions are being heard in another part of the project. This is not for all video clips only certain ones.
The project plays fine in the timeline, but when I render the project thru iTunes or Media Browser, this is when the project goes corrupt.
I tried detaching the Audio from the video clips and this somewhat worked, but the original problem still exists with certain audio still being heard where it's not supposed to be.

I have a fix - or rather, a workaround.
WARNING: It is lengthy, but still far better than starting a new project from scratch.
I had this same issue and none of my transitions/clips were at custom speeds, nor did I have anything else weird going on. Unfortunately there is nothing you can do within iMovie to fix this, at least there wasn't for me. iMovie is BY FAR the buggiest software I have ever used and if you haven't already spent hours slaving away on a project, you are so much better off using just about anything else to edit your video.
...But let's assume you have already spent many hours working on your project and you don't want to start all over. Well then, you have at least one option.
It's a pain in the neck, but it's infinitely better than restarting your project from scratch.
This will require:
A software called Soundflower (which is free) and some kind of audio editing software (I use Logic, but really any should work).
1.) You're going to need to export your video with the messed up audio. Typically if you're audio is messing up, you're video is at least usually working just fine (at least it always does for me).
2.) You're going to need to open that video in your audio software and import only the audio. If your software doesn't give you this option, then you're going to need to record the audio from your video using the audio software and Soundflower. You can find tutorials on how to do this, but it's honestly pretty straightforward once you start playing around with you Mac's audio I/O settings. Remember to have your computer's volume all the way up when doing this.
3.) Watch/listen to your video and make notes of where the audio errors occur. I HIGHLY RECOMMEND writing down times too, as they will be extremely helpful later.
4.) Now were going to rip some working audio from the iMovie project itself. Go back into your iMovie project and only play back audio while in the edit window for this step. Do NOT play your project back in full screen.
This part is key: if you try to play back your project from the beginning the audio will usually still mess up. So, what you're gonna have to do is go back on your edit window timeline right before these errors occur and play that specific clip back while recording this working audio with Soundflower and your audio software. Essentially we're only recording the parts of the audio where these errors occur, so try to do this in order if you can. Try to leave several seconds of audio in before the error - that way we can use it as reference when we construct our new audio track.
5.) Now in your audio software you should have your original error-filled audio track and the new clips that we just captured. This part can be painstaking if you're not familiar with audio editing softwares, but as you'll learn, it's really not that hard.
You're going to look at your original audio track and compare it to your new working audio clips. You should be able to notice where those new clips are supposed to go by looking at the identical (or close to identical) waveform shapes in your original audio track. The two should correspond with one another. If you don't understand what I mean right now, you will when you start playing around with the audio. This is why marking times is very important.
Take your new clips and split them up if you haven't already, that way you can drag them around and edit them separately from one another. Essentially your going to line these new clips up with original and then replace the original parts with new ones.
We need to get this as precise as possible, so start off by getting them as close as you can with your naked eye, and then use a zoom tool to zoom in as much as possible so that you can get them lined up PERFECTLY, or at least extremely close. In some softwares you can just drag these new clips on top of the old track, but most of the time you will need to actually cut out the old piece and replace it with the new one. In doing this, zoom in and make sure that you are NOT cutting out a bigger space than your new clip will fill - otherwise you will have small gaps in your audio.
VERY IMPORTANT: Also make sure that this new audio track starts at the EXACT SAME time as your original - otherwise your new audio will be out of sync.
I know this part can really suck if you're not used to audio editing, but at this point, there is little other choice.
6.) Once you are done with this, export your newly pieced together audio track.
7.) Now open iMovie and create a NEW project. Re-import the video that you exported earlier that has the messed up audio. This might take a while, so just be patient.
8.) Then right click the clip and select "Detach Audio". This will do just that - allowing you to edit the audio separately from the video. Now delete this audio.
9.) Now, import the new, perfect audio track that we just made and make sure that it starts at the start of the project. Make sure it's in sync and that everything works.
Now just export your new video with the working audio and you should be done. Since we have given iMovie the audio with no editing actually being done in iMovie, it does not have to generate its own audio now and you should have absolutely no errors now - unless there is some that you forgot to take out earlier.
YOU'RE FINALLY DONE!!!
I know this entire process *****, but if you're that far into your project, there is little else that you can do. Now you've learned your lesson:
DON'T USE IMOVIE EVER AGAIN.
I hope this helped!

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hey peeps on the board,
just wondering if it possible to use the 'repeat section' function without copying whole chunks of guitar tracks i have hidden? i mean, is there some way to deselect certain tracks so that i don't inadvertently end up editing audio regions on those same (in this case hidden) tracks?
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Thanks, ATR,
I wll try this--but I still am unclear on how to do what the Manual says is possible: select clips on another track that WILL be moved, if I so desire, so as to remain synched to the main Video track.
UPDATE:
In the case of inserting Freeze Frame, I just tried both Ctrl method and Alt method, and neither worked.
1. Put Video on Vid1 track
2. Put Music on Sound Track
3. Ran a few seconds of Vid
4. Stopped Vid, selected Freeze Frame
5. Held down Ctrl key while clicking "Insert in Movie" also tried with holding down Alt key.
Result: a 3 second still was inserted int the Vid1 track. A corresponding gap was created in the Sound Track.
6. Slid the final part of the Sound Track to the left along the timeline to re-connect it to the next segment created by the above process.
Result: the video following the final Freeze Frame was pushed to the right end of Video1 track.
7. Slid the Sound Track all the way to the left.
Result: the entire Video 1 Track contents were pushed to the right and divided in pieces.
I documented each step with screen shots which I can send if you want them and if I can figure out how to do it.
UPDATE #2
In the case of inserting a video clip to the Timeline, I just tried both Ctrl method and Alt method, and neither worked.
1. Locate video in Project Assets
2a. R click video in Project Assets (pull-down menu appears), hold down Ctrl, click Insert to Timeline.
Result: Vid clip is inserted on Video 1 track, Sound Track is separated with a corresponding gap.
2b. R click video in Project Assets (pull-down menu appears), push Alt
Result: pull-down menu disappears as soon as Alt is pushed down.
I can stil drag the Vid clip but it's one more manual step...I love shortcuts!!

No audio on certain tracks

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