this post was submitted on 30 Mar 2026
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Oh yeah you're right! It's the same for all unwanted noise. Rustling, wind, buzz, ac noise. All of it can be filtered out now! You can even take away the reverb from an untreated room and add in your own reverb. Convolution reverb is amazing, you can actually capture the reverb of any space you want and add it into your recording in post. I honestly don't know how much an expensive treated room matters over some investment in the plugins that let you do those things.
An example for movies: instead of trying to capture the actors talking inside their helmets for Interstellar, they actually made an IR inside of the helmet itself and added that to the overdubs!
The way you create an IR (impulse response) to capture the reverb of a space is you take a speaker and play a sine wave (or a gunshot/balloon pop,) then record it with a good mic. Then just take that WAV file and put it into a convolution reverb plugin. It sounds identical, the technology is amazing! You can use this to capture all kinds of analog circuitry like guitar amps also, that's how they make those guitar amp plugins.