Audio Forensics Expert Needed-Urgent

I'm seeking a professional audio forensics expert to conduct a detailed analysis of an m4a audio file.

Specific Requirements:
- Comprehensive analysis of the audio file.
- Evaluate speech clarity, background noise and verify authenticity.

Ideal Candidate:
- Proficient in noise reduction, voice identification and audio enhancement.
- Has a proven track record in audio forensics and can provide references.
- Experienced in working with m4a files.