Distortion Fix for Voice Recording

I'm seeking an audio engineer to improve our audio quality for tv appearances via zoom. We have a multi studio set up with lots of software communicating between three separates Pc and Macs. Our audio receiver for guest audio is xtremely distorted, even though using Senheiser equipment... (Budget: min £36 GBP, Jobs: Adobe Audition, Audio Editing, Audio Engineering, Audio Mastering, Audio Production, Audio Services, Sound Design, Voice Talent)