I was wondering if anyone has any ideas on how to best reduce the noise of strokers under your blanket. I can only use the Handy at night and don’t want anyone in the next rooms to hear the noise. I’m using a weighted blanket and a pillow and turn on a fan, it’s a significant noise reduction, but are there any other ideas? For example, are there special “soundproofing blankets”?
Build a fapping booth or something. 
Anything further than what you’re currently doing would require you to either use more layers or to just soundproof the room itself.
Because sound is just vibrations in the air, the only way to further hide the noise to prevent people from hearing what you’re doing is to have more noise that would hide the stroker sounds or to add more mass to absorb the sound(is why its harder to hear through thicker walls and partly why people add foam to walls(mass and shape))
There are soundproofing blankets but they’re meant to be hung up around a room in order to absorb the vibrations in the air to prevent reverb. There won’t be much of a difference bt that and and what you’re already doing cause they would theoretically do the same thing. I’m feel like a weighted blanket would probably absorb more sound than a soundproofing blanket just based off of mass/density.
To reduce noise propagation, you can block sound leaks, such as the gap under the door, using a draft stopper or a rolled‑up towel. You can also add a sealing strip around the door frame (inexpensive). Another important point: if your room is a bit empty, sound bounces more easily. You can use a room divider with a blanket over it (effective and mobile). And if you have the budget, a filled bookshelf on the most exposed wall is very effective, though more expensive, haha.
On another note, if the script you’re using is fast, it will naturally produce more noise. This isn’t meant as advertising, but if slower scripts don’t bother you, ZTX Laboratory has Very Slow Session and Slow Session categories with scripts specifically designed to minimize noise by staying below certain speeds.
The new Funosr mini should be really quiet, wait for @Slibowitz review, he just got it.
I’ll get in the next couple of weeks. So if everything goes well, review will be out ~ mid of June.
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(as always, its more complex, and in this case there are like 4 factors that matter)
Its mostly just down to creating more air chambers. Each air chamber has its own pressure, and sound first needs to pierce the material to adjust the pressure on the other side, this costs a lot of energy. This is the effect you want to have.
Any small gap in this does allow pressure equalizing, and as a result can therefor also amplify the sound, which is what speakers do, and why the setup you create has to be done properly (make sure to test it!).
This is mostly based on which sound you try to muffle. And this is what foams usualy do, which is why it works so well. A deliberate air gap might allow some bass to escape, which in most cases is fine, any energy out of the area means the fabric that is supposed to reduce the sound is getting less stress.
In more detail:
Bass has a lot of energy, and is the hardest, but being at the lowest frequency, does enable you to push it lower to the unaudible state. This is what brick walls usualy do (they dont provide a lot of movement), but anything softer cant. Foam is meaningless here, since all air gaps simply are too small to put any resistance here, the pressure wave easily can push the entire gap.
This is why for high pitch sounds you use the trick that energy doesnt like transfering to another medium. A single blanket causes 2 of these: Air → fabric, fabric → air. Each step takes away some energy, because the natural frequences of the materals dont align. Foam works well, but has 1 downside: the foam itself is solid and transmits sound. And this transmission is often still too strong. It needs very specific materials here, and these are usualy expensive.
Thats where the blankets provide another trick: every time a material takes a hit from sound, it wants to move, but on the other side, there is an air barrier, which has its own momentum (close to 0m/s). This pushes back on the blanket, but at such small area sound cannot affect the other side enough, and so the sound has to be spreaded acros a larger area, where eventualy it has compensated enough, where it can move the blanket. This is the same concept on why a hovercraft can fly using just basic fans. It puts lower pressure on a large surface area instead of high pressure on a tiny spot.
This therefor means, sounds arent transmitted instantly, they are stretched out, which is perfieved as muffling the sound. With thin walls, it might not be enough, but being lower frequency, there is a good chance it does work.
This means that even with cheap materials the results can vary a lot. Which is a good thing here.
The test for this is easy: place the handy on the floor, and effectively place your blanket as tent above it (ensuring it touches the bottom on all sides. If it works, you will instantly notice that as the sound gets reduced a lot. If you dont notice a diffirence, it wont work.
Its worth to note, that since the area around the handy is small, as pressure waves can be stronger, its muffling effect might be less than having a full sized setup. But its a good test to know whether your fabric is at least going to work.