When it comes to finding synonyms for the word "most audio," there are a variety of options to choose from. One common synonym is "sound," which refers to any type of audible noise. Another option is "audiovisual," which encompasses both the audio and visual components of a presentation or recording. "Acoustic" is another possible synonym, specifically referring to the quality of sound in a particular space. "Sonic" and "aural" are also similar words that can be used to describe audio. Ultimately, the choice of synonym will depend on the specific context in which the word is being used and the level of precision desired.