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We have built a DNN which does 2 things on real-time audio:

a) remove background noise b) remove room echo

We’ve then embedded it in a virtual microphone which can be integrated into ZoomRooms or similar products.

Demo with video here: https://www.youtube.com/watch?v=AnoWG1JBe8A

It definitely removes the background noise and increases legibility.

However the voices sound "pinched" to me. It is a lot like one of those head related transfer functions that is supposed to make you think the sound comes from above, but it sounds like multiple band reject filters were applied and makes me feel some kind of pressure in my head.

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