In December 2013, I ran a Kickstarter to fund development of a series of revolutionary pronunciation trainers. They allow you to train your ears in the pronunciation system of a new language in a couple of weeks, and thereby make that language a lot easier to learn in the long run, since you stop struggling to hear sounds you’re not familiar with. I’ve written about these trainers in my book, my blog and in an article for Scientific American Mind, but it’s probably easiest just to watch the original videos from the Kickstarter:
