Noise Reduction Audio Extraction

I need to extract conversational audio from a noisy CCTV recording. The recording is less than 30 minutes long and contains background noise, such as traffic, people talking, or music/TV. The primary language spoken is not English, Spanish, or French.

Requirements:
- Experience with audio processing and noise reduction
- Ability to handle multiple background noise types
- Proficiency in the primary language of the conversation

Ideal Skills:
- Audio engineering
- Noise cancellation software expertise
- Multilingual proficiency