Why your noise reduction usage is crap.
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First ~2 seconds is basic audio.
Then there's ~2 seconds with a 140hz sine wave to generate "noise."
We sampled *just* the tone for our NR, then ran it on the ~2.5 seconds, and you can see what's *actually* happening.
There's another ~2 seconds of basic, raw, recording to bookmark the hollow sound of your shitty NR attempt, and then finally the last ~1 second is both the test tone and raw audio both filtered out for that 140hz tone.
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