I suffer from this too and tried the very gimmicky but free/easy trick described at https://np.reddit.com/r/WTF/comments/3l3uri/these_guys_lighting_a_mortar_she

I suffer from this too and tried the very gimmicky but free/easy trick described at https://np.reddit.com/r/WTF/comments/3l3uri/these_guys_lighting_a_mortar_shell_in_their_garage/cv3474n https://np.reddit.com/r/WTF/comments/3l3uri/these_guys_light... . It gives me relief for a few minutes. When one has spent as long as one can remember with this noise, even perfect silence for a few minutes is rather heavenly.