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Audio Export Problem, Audio is getting cutoff during encoding?
Hello,
I’m trying to export a series of videos from Premiere CS4 and I’m having some problems with the audio. Basically, the audio is getting cut off on most of the videos, usually from around the midpoint to the last couple minutes of the video. Several of the encodes have worked without problems and I have no idea why some are working and some are not. The audios for each video are made up of only two separate audio tracks with very minimal edits.
I had the idea to export the audio separately and add it to the videos in Quicktime but the audio still gets cut off when I do this. I also tried to export the audio from the point where it’s getting cut off but this didn’t work either, even on a section that is only a minute or two long. I tried exporting in all the different audio output formats I have available in Premiere and none of them worked.
So, I’m really confused as to why my audio is getting messed up and I’m kind of freaking out because I have a hard deadline approaching soon.
Does anybody have any idea what could be going on and how I can fix it? Anybody else run into this problem? Thanks for any and all help, it is greatly appreciated!
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6 Replies
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Mp3 audio files can have problems. Some systems are sensitive to using some audio filters.
1st try converting any audio files that aren’t WAV into uncompressed WAV. And replace them in timeline.
2nd Try exporting just te section with replaced wav audio.
3rd identify any clips with audio filters on them and turn them off.
I’m hoping you don’t need to get to 3. But let us know.
😉
Jon Barrie
aJBprods
http://www.jonbarrie.net
http://www.suiteskills.com -
Thanks for your suggestion Jon. Unfortunately it hasn’t seemed to solve the problem.
I did have one intro sound effect clip that was an MP3 and changing it to an uncompressed WAV seemed to fix the problem of that specific sound effect not encoding properly. However, the bulk of my source audio is already uncompressed WAV and that is still giving me problems. I’ve tried re-encoding the audio as well as re-exporting it from the source Quicktime .mov but I still get the dropouts. On my last attempt at re-importing the source audio Premiere actually crashed on me.
I’m pretty sure I don’t have any sound filters turned on since all I’ve done to the audio is cut it up and adjust the audio gain. Audio gain is not considered a sound filter, is it?
Any other ideas or suggestions? thanks again
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Hi,
I am having the same problem with audio. I am encoding Mpeg4 clips to Mpg2 DVD with Adobe Media Encoder directly from Premiere….the audio is missing when I import the final encoded .m2v file into Encore to burn the final DVD. When I checked the folder that I saved the DVD m2v file in, there is another file named the same but it is the audio as a .wav. I can add that .wav file to the audio track in Encore, but this seems an odd, unecessary step to have to do with a newer ( not newest I know) version CS4.
I am sure I must be doing something wrong within the encoding process.
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The process of separated video and audio is standard practice for DVD authoring assets in mpeg-2 formats. Mpeg files files with embedded audio is called muxed audio and is an option you need to select. CS4 did have some issues with mixed mpeg2 files importing to encore with extra long audio. Using “send to encore” using dynamic link from ppro is the quickest way to get timelines with audio chapter points etc into encore.
Jon Barrie
aJBprods
http://www.jonbarrie.net
http://www.suiteskills.com -
Well, I think I may have found a solution. Here’s what I did:
-First convert all the audio to uncompressed WAV format
-Within Premiere; select an audio clip on the timeline, right click, and select “Edit in Adobe Soundbooth > Render and Replace”. You’ll probably need to do this for every audio clip that is giving you problems.
I think you would need to have Adobe Soundbooth installed for this fix to work since it actually does open the program when you pick the Render and Replace option. However, it replaces the audio clip in the Premiere timeline for you and you don’t really need to do anything beyond this command.
After Rendering and Rreplacing my current audio I exported a WAV and the audio was all there and there were no cutoffs or dropouts. Since I had already encoded alot of the videos I just re-exported all my audio tracks and added them to the videos in Quicktime Pro.
I’m assuming (and really hoping) that this fix will work when I export the video and audio together. I’ll post another update to this thread when I try that out and let you know what happens.
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Ok, I’ve exported video and audio together after “rendering and replacing” the problem audio and it seems to have worked fine.
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