I have two audios, the original audio A and the new audio B, B is made from A by adding some noise, now, is it possible that I want to extract the noise and play it? By playing it, I need the noise to be transmitted into audio files, not the graphs.

Assuming the two sources are bit-identical other than the added signal in B...

... then simply invert the phase of A & add it to B.

This will completely remove A from B.

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