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I have had this problem on and off for the past few months, but I've always been able to troubleshoot myself. This time, I have a motion graphics video rendered out of Ae with no issues. I dropped that video into a sequence in Premiere so I could add music underneath. When I export from Premiere, all of the audio seems to have been replaced by the most awful digital distortion you've ever heard at the highest possible volume. I made sure to match up sample rates and everything. I'm rendering h.264 with the preset "Match Source Medium Bitrate." Please help! Thanks!
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What file format is the added music?
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.mp3 with a sample rate of 44100 Hz
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Convert it to a wav file before importing into Premiere Pro. Premiere Pro can sometimes have wonky results when using mp3 files.
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When I attempt to convert the files, the problem is showing up in Audition as a flat red line where there should be audio. No matter what format I use, I can't do anything with this audio. The problem exists for both .mp3 and .wav files. I haven't tried .aiff, but I bet it will have the same result. This isn't the only project where I've had this problem. It happens almost every time I use Premiere now. Is there an ingest or import setting that might be causing this?
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Go back to the original source music, not the converted MP3.
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I did that, and I am still having the problem. I think it's localized to my computer because when I tried rendering on a different machine, the issue wasn't there. Using a different computer for rendering is not a permanent solution since I had to take up someone else's computer and time. Also it is a company issued laptop that I'm working on which means I'm kind of stuck with it.
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I figured it out. I did have a sample rate mismatch issue. However, I thought Premiere was supposed to automatically conform to the lowest sample rate. Is there a conform setting somewhere that I could check to not have to go through matching that stuff up every time?
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I can only say that I've been using 44.1 kHz music in 48 kHz sequences for 15 years and never once had a problem doing so.
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Is your audio gain up high? When I changed my audio gain from +20 to 0, it fixed the problem when exported.