Batch Colour & Audio Enhancement

I have 35 MP4 clips ranging from 13 MB up to 1.2 GB that document “vie de famille et vacances.” Each must look and sound as if they were captured in one uninterrupted session—natural, consistent colours, clean dialogue, and no distracting hiss or hum... (Budget: €30 - €250 EUR, Jobs: Adobe Premiere Pro, Audio Editing, Audio Services, DaVinci Resolve, Final Cut Pro, Video Editing, Video Production, Video Services)