There's lots of information about getting rid of ambient sound to focus on voice in recordings - what about the opposite? I want to capture ambient noise in a specific environment (a place of business), but for legal reasons, can't capture voices/conversations (at least not in understandable form). What would be the best approach for this?

The ultimate use for this is for sound processing and audio classification in a machine learning model, so it doesn't matter if the voices are there distorting the sound in some way, just as long as they are not understandable.

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    Get the people to leave; or be far enough away that they're unintelligible over the ambient. As you didn't tell us what this specific environment is, it's hard to suggest anything else. – Tetsujin Feb 8 '18 at 15:47
  • Updated the question - this is a place of business, so we can't ask people to leave. The ambient noise of people moving around is largely what we're trying to capture – Kewl Feb 8 '18 at 17:34
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    You're gonna need their co-operation at some point. Tell them you're doing a wild track & you need nothing intelligible on tape, but you do need their normal activity otherwise. That's how the sound recordist would do it for a movie, but then again, the others in that situation would know what a wild track is & what it's for, so you may need a bit more explanation. – Tetsujin Feb 9 '18 at 9:19
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    Maybe cut the recording into 1s slices and shuffle them randomly? – wilks Feb 10 '18 at 1:04
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    My 2 cents: just cheat! Find an empty place that kinda looks like the one you need to capture the ambiance from (similar volumes, similar materials), gather a bunch of people and instruct them to talk the Sims and to pretend to work. – Lucien Feb 28 '18 at 15:46

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