[neohaven]

If you freeze video, you get an image. If you freeze sound, you get an "image" on the speaker. It "stays" where it is. (At the voltage potential it is.) We put HPFs on subwoofers so they don't stay offset like that.

The same way vision in human sight makes very little sense without things being able to move (integration over time), hearing in the human sense seems to be the same. Recording the change in pressure over time of the surrounding air, instead of photons hitting you. But I am pretty certain that "vision" that works in "single blips" with no refresh is just as pointless as a paused audio recording for survival of an animal.

[ses1984]

Why would you put a high pass filter on a subwoofer?

[michaelgrafl]

To eliminate DC Offset (i.e. 0Hz).