DVD Transfer & Advanced Audio Cleanup

I have a 30–60-minute home video that I need moved onto a standard DVD-R. While the picture is fine, the audio track needs serious help: voices are too low, and wind plus other background noises make parts of the dialogue hard to follow... (Budget: $30 - $250 USD, Jobs: Adobe Audition, Audio Editing, Audio Engineering, Audio Processing, Audio Production, Audio Services, Sound Design, Voice Modulation and Audio Programming)