5. Very Clean: High-quality recording with no noticeable noise or distortion; sounds natural even when listening with headphones.
4. Generally Good: Minor noise or reverberation that does not interfere with listening; overall clear and high quality.
3. Average: Some distortion or background noise is present, but the content can be understood without difficulty.
2. Poor: Noticeable noise, dropouts, or reverberation make it uncomfortable to listen to and may affect understanding.
1. Very Poor: Audio is heavily distorted or broken up, making comprehension difficult. Quality is very low.