Non-distracting, improved fidelity, increased loudness, and peace of mind knowing it sounds great everywhere!
Edit out the bad stuff, make it sound better and audible for streaming.
Organize, edit, remove the noises/clicks/pops from the audio. Sound effects may be added for enhanced storytelling. Equalize and compress the dynamic range to clearly play out of computer speakers and portable devices. This mastering step ensures a consistent quality across any playback system.