The core is here: https://xiph.org/~xiphmont/demo/neil-young.html#toc_1ch https://xiph.org/~xiphmont/demo/neil-young.html#toc_1ch When you play something store

The core is here: https://xiph.org/~xiphmont/demo/neil-young.html#toc_1ch https://xiph.org/~xiphmont/demo/neil-young.html#toc_1ch When you play something stored at 44 khz, there are no ultrasonic sounds recorded. At 192 khz instead, there are, and the speakers may push some of the ultrasonic sounds down to the audible spectrum, causing distortion that the human ear can hear.