johan_tr2000
Full Member level 1
Dear All,
I just wander that we can make sound cancellation. What I means is to cancel the sound or/and noise from outside the room (target room), so that the room is quite enough. I need to make the quite room with "active" way, not with the "passive" way, such as using sound damper in my wall.
I know in physics we just have to create the waveform with exact amplitude, but in anti-phase. So just use the microphone for the input device and speaker for the output anti-phase.
In real world (technically) can not be that easy. Can we do this by using the powerfull DSP chips to create the anti-phase? Is it possible?
Anyone has try this? Any comment?
Thanks
TR2000
I just wander that we can make sound cancellation. What I means is to cancel the sound or/and noise from outside the room (target room), so that the room is quite enough. I need to make the quite room with "active" way, not with the "passive" way, such as using sound damper in my wall.
I know in physics we just have to create the waveform with exact amplitude, but in anti-phase. So just use the microphone for the input device and speaker for the output anti-phase.
In real world (technically) can not be that easy. Can we do this by using the powerfull DSP chips to create the anti-phase? Is it possible?
Anyone has try this? Any comment?
Thanks
TR2000