Theoretically, noise cancellation techniques should work. You play the same frequency back at the source and the waves cancel each other out. Better for low frequencies.
https://en.wikipedia.org/wiki/Active_noise_control
Theoretically, noise cancellation techniques should work. You play the same frequency back at the source and the waves cancel each other out. Better for low frequencies.
https://en.wikipedia.org/wiki/Active_noise_control