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Adobe Media Encoder CC “Undesired Mute” Bug and Workaround
It seems that there is a bug if you queue an exported sequence from Premiere Pro CC and have Adobe Media Encoder CC encode it for you. Sometimes audio tracks will be muted on output. It seems a bit random, but some sequences will always have the “Undesired Mute” problem. In addition sometimes the tracks will them magically become muted when they were previously not in the Premiere Pro CC sequence (like AME sets it to mute). Adobe thinks this is a known bug in projects pre Premiere Pro CC and converting them to CC. I think it has to do with a sequence where one or more tracks is muted or had been muted in the past before the Pre CC to CC conversion.
Anyway, after much frustration and many wasted hours and embarrassment -from clients: “Why is there no audio on this?” I researched on the Adobe forums and kind of pieced together a workaround (still annoying and takes me extra time but it seems to work.
Basically
1) you need to create new empty track for every audio track you want to be ‘unmuted’.
2) Copy all the audio from the problem audio track(s) to the newly created track(s)
3) Delete the original ‘problem’ audio track(s)After doing this I have never had the random mute problem when using AME CC, whereas before I had it all the time.
I will be doing this procedure for all Premiere Pro Project sequences converted to the CC version, I just can’t afford not to, too much wasted time QA’ing the final files then redoing them and hoping they turn out with good audio. I thought the problem might also be in new CC projects but at this point I’m not positive.
BTW, I’ve also reported this bug and workaround in detail to Adobe using their online bug report form.
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3 Replies
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So I saved and exited CC then rebooted (cold) computer… Did test render in to out, works fine audio and all…
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I have this problem all the time with projects that are newly created in CC. And they only have 1 audio track, a VO. I don’t see how creating a new track in a new project and moving the VO to the new track is going to change matters, but I’ll give it a shot!
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Perhaps the bug has cropped up again with recent 2018 update?
Mine is definitely related to solo/muted audio tracks.
I drop in final mix below the original audio and solo that track, queue in AME – no rendered audio to speak of.
Return to timeline. Mute all others and “un-solo” the final mix track – queue in AME – only original now “muted” audio clips rendered.
Strangest most frustrating bug to work around i’ve experienced yet!THANKS !!!
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