Have you been paying attention? We’re approaching a sea change moment for noise-canceling earbuds. Any flagship pair you buy today from Sony, Bose, Apple, Samsung, or other reputable brands can accomplish the core task — eliminating distractions and background commotion around you — perfectly fine. They’re all more than competent at that. So now, tech companies are angling for new ways to differentiate by making the experience smarter and more, well, adaptive through the integration…