I mean, there appear to be people able to discern isolated tones above 22kHz in extremely controlled lab conditions, but that's wildly different from being able

I mean, there appear to be people able to discern isolated tones above 22kHz in extremely controlled lab conditions, but that's wildly different from being able to hear anything above 22kHz in the midst of vastly more powerful 100Hz-15kHz sounds in realistic music listening conditions.