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Misophonia: white noise with remote microphone for school use

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A portable white noise generator can mask misophonia trigger sounds. Unfortunately, in the classroom the white noise also masks the teacher's voice. What if we could give the teacher a portable microphone and mix their voice into the white noise? I experimented a lot with smartphone apps, mixers, directional microphones, etc. The following is my quick-and-dirty solution. Note that this design could potentially damage your electronics, your hearing, or both. That said, my son uses this setup at school most days. Parts: Sony ECMAW4 Wireless Microphone Monoprice 107128 3.5mm Mono Plug to 3.5mm Stereo Jack Adaptor Monoprice 6-Inch 3.5mm Stereo Jack Splitter for Mobile     Not a headphone/microphone splitter. Shop carefully, this is an uncommon item.) Sound Oasis S-001 Portable White Noise Machine Sennheiser PX 100 Lightweight Collapsible Headphones     Discontinued. Try eBay or see below. (Teacher microphone not shown.) Connect as shown in the photo above. Before put

Misophonia audio gear: portable white noise

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My 14 year old son developed misophonia earlier this year. We’ve received a lot of support from the online misophonia communities. I’d like to give something back by sharing details of the audio hardware we’ve found that helps him cope with the condition. Most day my son uses a pair of Sennheiser PX-100 open-ear headphones connected to a Sound Oasis S-001 portable white noise machine to mask his trigger sounds. This system has several advantages: Not a smartphone: Easier to persuade a school to allow it in class, exams, etc. Small: Both white noise device and headphones (folded down) fit in a pocket. Discrete: Headphones are slim and can be concealed under a hoodie. Easy operation: Power button and volume control can be operated by touch while in pocket. All-day battery: 20 hours per charge. Cheap-ish: $30 for the sound generator, $50 for headphones (but see below). Open ear: He can hear normally when he turns the noise off, without taking off the headphones. Howeve