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Basic audio normalization question

PostPosted: Sat Apr 28, 2018 5:41 pm
by Sam Steti
Hi guys,

Audio's not my core job, but I'm interested in slowly but surely mastering what's offered among Resolve options... At this point, I just have to normalize the audio track of a multicam project which is just finished (actually the edit only) : we'd like to show a first step in the edit to the client before going further, but the angles cams audio are sometimes chaotic.

What's the most basic action(s) to restrict any audio clip on the TL to 0 db max and to have them equalized almost the same way. Just want to have this TL a bit decent to be listened a couple of times :)

Re: Basic audio normalization question

PostPosted: Sat Apr 28, 2018 7:17 pm
by Daz Wood
Sam Steti wrote:Hi guys,

Audio's not my core job, but I'm interested in slowly but surely mastering what's offered among Resolve options... At this point, I just have to normalize the audio track of a multicam project which is just finished (actually the edit only) : we'd like to show a first step in the edit to the client before going further, but the angles cams audio are sometimes chaotic.

What's the most basic action(s) to restrict any audio clip on the TL to 0 db max and to have them equalized almost the same way. Just want to have this TL a bit decent to be listened a couple of times :)


Without hearing or knowing the location setup or what the different quality is between all on camera mics it's hard to give much abvice apart from try to use one audio source to avoid mixing between distances. Set the limiter in Resolve to stop any clipping over 0dB. You may need to use compression also but their is never really a quick fix with audio as you need to use your ears and make a judgment on what is acceptable.

Re: Basic audio normalization question

PostPosted: Sun Apr 29, 2018 1:13 pm
by SeanVoice
Daz is right, it's difficult since situations vary so widely.

Is it voice only or is there music involved? One helpful start would be to remove everything below 100-200hz if it's voice only on the cam feeds. Then you can shape the midrange (usually 1-2.5k for most voice) with the eq section.

Normalizing can be a good start. You may find if there is any strong peak in any of the cameras audio, it will cause the overall levels to be quite different. Using the waveform to look and get the approximate same level by adjusting the entire track can be much more accurate in matching levels.

Re: Basic audio normalization question

PostPosted: Sun Apr 29, 2018 11:54 pm
by Cary Knoop
Targeting 0 db is too hot, target to something like -6db

Re: Basic audio normalization question

PostPosted: Mon Apr 30, 2018 9:34 am
by Sam Steti
Hey,
Thx guys, but I must have been too rough in my explanation : of course you're right and obviously I didn't give enough details for you to answer with solid opinions. Sorry about that, I also ask for some more details when helping guys in sfx, grades or keys, I confess it was brief...
But actually if my post was lacking details, it's because I'm also not totally a newbie, I just ask for the option you may opt for when just a rough action is quickly needed on the full track, when I don't want to do an automation recording as I'd usually do. Fine tuning the track is not the purpose at all at this point.
The limiter seems to be what's my answer at the end of the day.
Thx a lot anyway.