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Audio missing in time line
A real head scratcher for me.
I have a clip in a timeline that for about 2 seconds the audio is missing…nothing is there. The original clip played in the viewer is fine. Clicking on the audio seg in the timeline putting it in the viewer is fine. Running the jog control on the canvas over the segment that has the problem I see and hear the audio.The only problem is when I play the timeline or print to video…the audio is not there.
I have tried copying and moving the entire timeline as well as just the bad section. I have tried taking the audio from the orinal clip and replacing it. Nothing seems to get the audio to play.
Other than increasing the overall audio level of the clip, I have done nothing to it…no filters no nothing…but unfortunately no audio.
Hopefully someone in the “pasture of cows” has either a solution or cna Identify what is causing the problem.
J
J
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11 Replies
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Try an Audio Mixdown.
O&O-Gunner Productions
FCP-Avid-After Effects -
Forgot to mention I tried a mixdown…no luck.
Also, when playing the timeline thru the problem section, the VU meters move, but no audio is coming thru.J
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Are your speaks connected to the deck? They should be.
O&O-Gunner Productions
FCP-Avid-After Effects -
Try deleting your audio render files and redo the mixdown.
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Speakera are connected to deck
J
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Good idea….no luck
J
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Very strange. Did you try trashing the prefs and repairing permissions? Maybe FCP is losing track of where the audio is on your hard drive for that section of the clip. Also try going to the View menu, External Video and select Off then select All Frames. There have been times that I’ve lost audio playback entirely and doing the Off to All Frames has brought it back. But, I’ve never had part of a track play and another not.
John
Dual 2.5 G5 4 gigs RAM OS 10.3.8 QT6.5.2
Dual Cinema 23 Radeon 9800
FCP4.5 DVDSP 3.0.2
Huge U-320R 1TB Raid 3 firmware ENG12.BIN
ATTO UL4D driver 3.20
AJA IO driver 1.3.1 firmware v21-26
SonicStudio HD DAW, Yamaha DM1000, Genelec Monitors -
Try removing the video, and see if the audio plays. i have found that even the slightest glitch in the video will sometimes cause your audio to drop out briefly, but only when playing out the firewire, so it plays fine on the computer, but not out to your deck. Try re-capturing that clip. If the problem persists, try dropping in a cutaway over the video.
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1. Open a NEW empty timeline (just for a test).
2. Only edit the clip with the “missing” audio, by itself, to the new timeline.
3. See if it plays.
This will tell us if its a problem strictly with the CLIP OR a problem with your edited TIMELINE hiding a “ghost-command” (It happens. I’ve had odd VIDEO flashes that only cleared after I edited to a NEW timeline).
If its a “bad” CLIP, make a FW dub of the problem clip directly between two DV units (camcorders or decks) and then re-import the COPY… which should clear the problem.
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A solution that creates even more questions.
After all of the great advice and suggestions, I recaptured V only in log and capture via the GV-D900 mini dv deck I always use, and pasted that over the bad spots.
One was fine the other was not.
I then recapture V only using a differnt device…the camera it was shot on and was able to fix the second problem.
It seems that something in the V was screwing up the A as suggested by somone earlier.
Thanks for all the ideas, they gave me some options that lead to a fix.J
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