I follow tips from memory champions. I use industrial strength earmuffs, a 3M Peltor model, AND soft earplugs. It gives me almost total silence. The earmuffs a

I follow tips from memory champions. I use industrial strength earmuffs, a 3M Peltor model, AND soft earplugs. It gives me almost total silence. The earmuffs are also good as a signal to your coworkers that you are concentrated. They will interrupt you less. About memory champions training: https://archive.nytimes.com/www.nytimes.com/interactive/2011/02/20/magazine/mind-secrets.html?.&_r=1 https://archive.nytimes.com/www.nytimes.com/interactive/2011... Btw, the author's book is really nice.