That's how the process works, but it's more complicated than you'd think. The room a speaker is in changes the overall frequency response. Speakers aren't flat,

That's how the process works, but it's more complicated than you'd think. The room a speaker is in changes the overall frequency response. Speakers aren't flat, either. There are ways to get past these obstacles, but it can be difficult and expensive to get right. Going to the the world of infrasound just increases the complexity.