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Yes, that's how phone microphones for example work. To remove static background noice would just need to get a silent sample and reverse out the polarity of th
by httpsterio 8y ago
Yes, that's how phone microphones for example work.
To remove static background noice would just need to get a silent sample and reverse out the polarity of the static noise from the audio signal. It can be done real-time or in post production.
To sum out random background sounds you would need an omnidirectional mic that picks up everything. Then you'd need a close range shotgun type mic from which you subtract all that noise mix picks out.
- colechristensen 8y agoWhat I am thinking of is more is using signal phase differences on spatially separated similar microphones to isolate the desired source and filter the rest. There is probably a name for this I wouldn't remember. You wouldn't need a specific directional mic and could instead build a synthetic virtual microphone with whatever directional properties you wanted (including distance and not just directional selection)
- def_true_false 8y agoBeamforming?
- eeZah7Ux 8y ago*noise