IMO, in person it's much nicer on the ears than the old single-tone beep that they used to have. It's less jarring and easier to locate where the noise is comin

IMO, in person it's much nicer on the ears than the old single-tone beep that they used to have. It's less jarring and easier to locate where the noise is coming from, ye olde beep seemed to come from everywhere at once.