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Raising dialogue audio without background noise
I helped shoot this short mini series for a friend. He chose a really bad location, an abandoned parking lot near a highway. I warned him audio would be affected. Well, now I’m in post with the project, and have finished a rough cut. He viewed it, and asked the raise his volume in a specific part.
Now finally the problem. When I raise his volume, the volume in the background raises as well, obviously. Is there any way to filter the audio, to diminish the background, so I can raise his dialog? Please let me know. I’m not very savy with audio editing, so there might be an easy way around this I’m not aware of.
Byron
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2 Replies
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[Byron Mason] “Is there any way to filter the audio, to diminish the background, so I can raise his dialog?”
Probably not. You could try opening the audio file in Soundtrack Pro & using the noise reduction, but if you’re talking about traffic noise, don’t expect much.
This is why most films have credits for ADR.
Arnie
Now in post: Peristroika, a film by Slava Tsukerman
https://www.arniepix.com/blog -
If you can find a sound post person, they may be able to help. There are a few devices that help diminish background sound.
You need good speakers, good EQ and a good operator. CEDAR DNS1000 is a dialog denoiser which can be quite effective. Waves make a denoising bundle. The STP tools are mentioned by some here but I have no need to use them as I do all my sound post on other systems.
I’ll bet that as well as poor location choice, your friend also cut corners by not having a pro sound recordist. If guess he doesn’t value the most important element in a film.
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