I saw this video earlier today that explains a bit metamaterials in acoustics, apparently they design the shape to affect specific frequencies in specific ways.
Excellent video. Thank you. I guess it boils down to a wave is a wave (sorta).
I saw this video earlier today that explains a bit metamaterials in acoustics, apparently they design the shape to affect specific frequencies in specific ways.
@mrspeakers - Can you describe what makes the metamaterial superior for this application? When I read about metamaterials they discuss electromagnetic radiation, but not acoustics. Also, unless it is proprietary, do you 3D print the metamaterial?
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I see, I first heard about them in the context of trying to make things invisible / undetectable for, say, military purposes. I think metamaterials is a fairly generic concept for anything that behaves like waves, perhaps even broader (definitely not an expert).Yes, I watched that. My question is more about what characteristics metamaterials have that makes them ideal for this application. If you read about them, you will see that their claim to fame is related to magnetics, not acoustics. Plastic could be formed into the same shapes using high quality 3D printing. So, what makes metamaterial special for acoustics or for this application?
In the same video, Dan says he is getting a global patent on the idea, so I don't think making our own is in the cards. Plus, I think designing one that is effective would require a very accurate measurement system, a lot of knowledge, and a lot of time. It would be cool if Dan released ones for his other headphones (Ether 2 please) and even other brands. I've thought for years that he should offer his headbands as an aftermarket upgrade for other brands, like Dekoni does with earpads.
A patent wouldn't preclude a hobbyist from making their own insert. They just wouldn't be able to market it freely. As you point out, the amount of knowledge and resources needed to do so means no one is likely to attempt it anyway.Yes, I watched that. My question is more about what characteristics metamaterials have that makes them ideal for this application. If you read about them, you will see that their claim to fame is related to magnetics, not acoustics. Plastic could be formed into the same shapes using high quality 3D printing. So, what makes metamaterial special for acoustics or for this application?
In the same video, Dan says he is getting a global patent on the idea, so I don't think making our own is in the cards. Plus, I think designing one that is effective would require a very accurate measurement system, a lot of knowledge, and a lot of time. It would be cool if Dan released ones for his other headphones (Ether 2 please) and even other brands. I've thought for years that he should offer his headbands as an aftermarket upgrade for other brands, like Dekoni does with earpads.
Maybe I'll wait for the Stealth Flow, made with a higher resolution metal 3D printer or something.Yes the parts are 3D printed, the inner geometry would be virtually impossible to mold or machine.
@mrspeakers Would you be able to give us some clarity on the expected lifespan of the self adjusting head strap? Is it user replaceable? Any chance one will be offered without the branding / red stitching?
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Thanks for clarifying! I'll take that as a "no" for my last question, haha.There's a high quality elastomer inside, just don't leave the headphone in a baking hot car for long periods or stick it in the dryer and it should last many years. It's also user-replaceable, 2 screws.
So I'm supposed to air dry the Stealth after washing? Seems like that would take longer than the dryer, bummer...There's a high quality elastomer inside, just don't leave the headphone in a baking hot car for long periods or stick it in the dryer and it should last many years. It's also user-replaceable, 2 screws.
It's required for the upcoming Schitt Helth combo of Hel + Stealth.@mrspeakers Any chance one will be offered without the branding / red stitching?
Is it just me or is this basically an aeon closed with a plastic frame around the hull and a new headband? ... apart from the driver and damping stuff of course.
So I'm supposed to air dry the Stealth after washing? Seems like that would take longer than the dryer, bummer...