Category:Noise cancellation
From ETHW
The use of a speaker with the same amplitude but an inverted phase to an original sound
Pages in category "Noise cancellation"
The following 3 pages are in this category, out of 3 total.
Media in category "Noise cancellation"
This category contains only the following file.
Noise Cancellation NASA Active Noice Control Fan.jpg 160 × 129; 5 KB
