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Bad news: those are just for decoration. Exactly like the serving suggestion guides on ice cream tubs. You can't really use them for anything practical.
Here's a real-world example: does the act of eating Doritos (or any crunchy snack really, don't let our unhealthy lifestyle speak for you) completely drown out your TV?
Sure, you can just turn the volume up - but as soon as you go past 40 the sound starts to distort and every 'S' noise instead sounds like Robocop trying to stifle a sneeze.
What's your game plan? To remove Doritos from your list of TV-friendly snacks? Don't be insane.