improve audio isolate voice

Project Title: Improve Audio and Isolate Voice

Description:
I am looking for a skilled audio engineer who can improve the quality of a poor audio recording and isolate the voice within it. The project involves working with two audio files with total duration of 13 minutes. Voice is only present in few fragments of the audio.

Requirements:
- Experience in audio engineering and editing
- Proficiency in audio editing software
- Ability to enhance clarity of the isolated voice
- Knowledge of techniques to improve audio quality

Skills Required:
- Audio Engineering
- Audio Editing
- Clarity Enhancement
- Noise Reduction
- Audio Processing

Preferences:
The client prefers the isolated voice to have enhanced clarity, making it easier to understand and hear and needs to be able to identify the language from the output.

Please include samples of similar audio projects you have worked on in the past.