The perennial question for game developers when it comes to producing a game trailer/app store preview - create voice-over audio or stick with text? On the one hand it seems like voiceovers are a must-have today, but on the other, couldn't you just as easily get away without one? So, when is a voice-over essential, and when might you be ok without one? We'll try to answer with examples.
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Audio in a video consists of three tracks: music, sound effects, and voices. We assume that music and sound effects are needed for any video. But it's not …