Technological ideas about helping people with Misophonia

What are creative ideas for making devices that can help people with Misophonia?How technology can help them, beside few noise cancelling headphones that already exist and are difficult to carry all the time and can damage the ears after long time and are too big to be used everywhere, including a restaurant, and also block all the sounds, which can interfere with many other aspects of life?Some devices that are Easy to carry and use and don't interfere with their life and at the same time help them about their triggers._Edit:"Misophonia is a disorder in which certain sounds trigger emotional or physiological responses that some might perceive as unreasonable given the circumstance. Those who have misophonia might describe it as when a sound “drives you crazy.” Their reactions can range from anger and annoyance to panic and the need to flee.", Sounds such as slurping, crunching, mouth noises, tongue clicking, sniffling, tapping, joint cracking, nail clipping, the infamous nails on the chalkboard or throat clearing. via /r/technology https://ift.tt/333DWfJ