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When I was 14 years old, I noticed how pure saw waves make fast transient sounds go "whooshy".

1. Play a pure saw wave sound for several seconds, it has to be loud (use headphones), then

2. hit the keyboard keys, or snap your fingers, or make other sounds with fast transients, and the transient is no longer snappy, it "whooshes". It's hard to describe but there is like a flanging effect on it.

I guess there is some scientific name for this phenomenon, but I don't know what.



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