Hi there! I'm a Sound engineer expert, with over 8 years experience dealing with post production for movies and al kind of podcast in adition to that i have experiencie working for big brands such MTV and Discovery, I can help fix the audio of your audio. I've previously worked on the exact same project for another employer {https://www.freelancer.com/projects/audio-services/need-high-quality-audio-sound/reviews}. When do you need this finished by? I understand how annoying it is the background noise and exagerated echo, i can get this fixed for you quickly!