Solution:In the context of audio editing, 'Fade Out', 'Monaural', and 'Reverberation' are relevant terms.'Fade Out' refers to the gradual decrease in the level of audio signals, 'Monaural' is a system where all sounds are mixed together and routed through a single audio channel, and 'Reverberation' is the persistence of sound after it has been produced.
On the other hand, 'Stand-by' and Dissolve' are not specifically associated with 49. audio editing. 'Stand-by' generally means to prepare for action, while 'Dissolve' is more commonly used in video editing where one image is replaced by another with a slow transition.