Inaudibility
/ɪnˌɔːdəˈbɪləti/
Definition 1 of 1
Pro Tip 1/3Context Matters
Understand where 'inaudibility' fits. It's often used in technical or descriptive contexts about sound quality. 
The inaudibility of the emergency alarms raised concerns during the drill.
Pro Tip 2/3Figurative Use
'Inaudibility' can be used metaphorically to describe something that isn't being noticed or paid attention to. 
Her contributions to the meeting were met with inaudibility.
Pro Tip 3/3Not Negative
The word doesn't inherently have a negative connotation; it might describe a desired trait in certain situations. 
The inaudibility of the soundproof room was perfect for recording music.