Audio Restoration Specialist Needed

I need a professional to clean up heavily distorted audio from a voice recorder. The goal is to make background conversations between a man and woman discernible.

Key Requirements:
- Background noise reduction is crucial
- Enhance clarity to distinguish specific words or phrases

Ideal Skills:
- Experience with audio restoration software
- Strong understanding of noise reduction techniques
- Ability to improve voice clarity in distorted recordings

Please provide samples of previous work.