Working with audio files before Importing into Storyline

Hello, I have some raw audio files in .wav and .mp3 format that include narration of the modules of a course. I have one .wav or .mp3 file for each module. The voice is very soft in these files and needs some optimization. These files should be broken into separate audio files for each slide of each module and then imported into Storyline. I am thinking of optimizing them at first and I am familiar with Audacity to do that. So I am suggesting applying several effects Audacity has (amplifying, normalizing, noise removal etc.) to each of these .wav files and then start cropping them in order to produce a final .mp3 file for each slide.

Does anybody think of a better approach? Is there a specific tool to optimize soft voices

Thank you in advance

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