Could you make a speaker “play” noice canceling to make a cafe, or other noisy enviroment quiet?
Also, could this be used in another interesting way?
In: 67
Noise canceling works on the principle of using a microphone to collect information about sound waves and then play sound waves that cancel them out.
You could theoretically speaking use noise canceling on sound coming from outside the room. It would be impossible to use it on the noise being created inside the room.
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