Audio Enhancement for Presentation Video

I need an audio engineer to clean up the audio of a video and enhance its volume. The video features a presentation and the audio currently suffers from unclear speech and low volume, making it difficult to hear on mobile devices.

Key Requirements:
- Removing background noise to clarify the speech
- Increasing the overall volume to ensure clear audio on mobile devices
- Ensuring the final audio quality is suitable for a presentation-style video

Ideal Skills:
- Proficiency in audio editing software
- Experience with video audio enhancement
- Ability to improve audio quality while preserving the integrity of the original sound