[atoav]

I come from embedded audio programming, where e.g. the variable loads of UI code can be problematic (=audible) for audio quality if you don't do things right.

Maybe we need to do things the other way around? So instead of trying to mask everything we are doing, we run browsers/tabs in a processing environment where the noise can't be measured because it does not occur during the same time window. In audio that is done by using a high priority fixed timer that interrupts the rest of the processing.

My OS knowledge is too marginal to know whether that would be truly feasible, but I can't help to think: yeah it is possible to fix that on a more fundamental level.