audible(able to be heard) adjective [UK: ˈɔː.dəb.l̩] [US: ˈɑː.dəb.l̩]Airplanes are audible long before they are visible. = Los aviones son audibles mucho antes de ser visibles.
inaudibleadjective
inaudible(unable to be heard) adjective [UK: ɪn.ˈɔː.dəb.l̩] [US: ˌɪ.ˈnɒ.dəb.l̩]That voice is inaudible. = Aquella voz es inaudible.