Help with bad AE audio sought.


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Help with bad AE audio sought.
by Mark von Wahlde on Jul 4, 2009 at 2:50:53 am

I have a perfectly good .wav file. I play it in windows media player and preview it in Premiere CS4.

In AE CS$ it's a different story. With a composition consisting of one layer--the wav layer--when I preview by hitting the spacebar there is no sound played back. When I preview the same composition by hitting zero in the number pad, it plays back sloooooooow. When I render the composition (sole layer is the .wav file), it plays back nothing.

Any suggestions as to what could be causing this. It is really disappointing.

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Re: Help with bad AE audio sought. More Data
by Mark von Wahlde on Jul 4, 2009 at 6:44:46 am

I figured out part of the problem. I rendered the sound after I turned the sound on in the template settings.

So now the problem looks isolated to a preview problem.

How can I speed the sound up to normal speed when I preview?

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Re: Help with bad AE audio sought. More Data
by Todd Kopriva on Jul 4, 2009 at 2:34:25 pm

What happens when you preview just the audio?

If previewing only the audio works fine, then maybe the issue is that your audio is being played during RAM preview at the speed necessary to stay in synch with the video frames; sometimes RAM preview can't play back at real time. You can see the RAM preview frame rate in the Info panel.

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Todd Kopriva, Adobe Systems Incorporated
putting the 'T' back in 'RTFM' : After Effects Help on the Web
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Re: Help with bad AE audio sought. More Data
by Mark von Wahlde on Jul 4, 2009 at 2:44:45 pm

It previews slow when the only layer in the only composition in the project is audio.

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Re: Help with bad AE audio sought. Solved Problem.
by Mark von Wahlde on Jul 4, 2009 at 10:35:28 pm

I solved my problem, I think (thanks to posts from this website). The ram preview worked perfectly when I shrank the work area (no more slow audio). I mistakenly assumed that RAM-previewing sound alone would create no memory issues. That assumption caused me to waste a lot of time!

Sound rendering must chew up a lot of memory in ram preview. When I audio previewed only (using the num . key), I could preview the whole layer without any problem.

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