[header] How to work out quietly [title] Focus on your breathing. [step] No one likes being next that guy at the gym-either on the treadmill or in the weight room-who seems to be over-exaggerated his breathing. Intense huffing and puffing can be distracting to others, so focus on how you're breathing to control and regulate your breath. 
[substeps] Focusing on your breath will help bring your attention to the sound, depth and rate of your breathing. This can help keep you a little more quiet, but may even improve your workouts.