Once the audio is broken out from the video and open in your preferred audio software program.

Here's how I think I'd approach it with the information you've provided so far:


. Set your DAW's waveform zoom levels so you can easily distinguish between high passages and low passages in the waveform.
. Highlight the higher passages and apply negative amplification to lower the gain of the high section to be more in level with the lower sections without losing vocal
clarity. It's trial and error. Use your ears and work your way through the entire file. In this step, you're manually adjusting the overall track gain.
. Normalize the entire file to -6 to -12 db
. Lightly compress the entire file to further tame peaks and gently level the amplification edits.
. Apply a limiter to bring the overall level up.

This should allow you to equalize the volume levels without raising up the noise floor and ambient background noise to much.

BIAB 2025:RB 2025, Latest builds: Dell Optiplex 7040 Desktop; Windows-10-64 bit, Intel Core i7-6700 3.4GHz CPU and 16 GB Ram Memory.