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You're confusing white noise with independent audio cues.

Plus, I don't think anybody ignores keyboard typing sounds. They work just like car engine noises. Audio feedback for a physical action. The example you're searching for is keypad tones for smartphones. That's the concept behind your idea.

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> The example you're searching for is keypad tones for smartphones. That's the concept behind your idea.

Yes, that's generally the concept behind my idea. You're right, thinking about it, there's a difference between this and white noise. Still, aren't keypad tones for smartphones an audio feedback for a physical action?

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