Having 1 or 3 of the fan's total blade count go from 0-degrees to 180-degrees and back, isn't gonna push any air at all, even with the fans superglued to your forehead at point-blank range. The good news is that most of the knowledge can be googled and youtubed for free. ![]() I figure you'll be reading/learning/practicing this stuff for months before being ready to tackle that project. Requires a full understanding of bit depth, sampling rates, as well as Frequency-amplitude and Time-amplitude manipulation of the array data. Lots of multidimensional data buffer array use/management, as well as audio-specific algebra, specifically. Sufficiently indistinguishable from pure magic. The learning-curve is too astronomical for almost everyone.Īny C language is "hard enough" to learn as-is, but toss in the DSP programming stuff (NAudio etc) and it becomes: ALIENS If you use those technologies I could guide you, but you'll have to do all the leg work yourself. I have/own all 4 of those already, I'm just too tired, lazy and faded to attempt it myself. To get you moving towards a solution you'd need Vornado fans seem like they could almost be custom made for such an experiment with a design that specifically directs airflow at a point. I wonder what fan design would be most effective for this type of use case? Squirrel cage fan? Vornado fans? Some of these units could almost just be dropped in room and not be too cosmetically imposing: For instance: How many CFM do we think we'd need to get this effect to the seats? Say at 12' from the front wall. Obviously there are at least two guys that do want this. If you're reading this and thinking - "Why would anyone want this?" I don't care. ![]() If the fan motor could spin up fast enough - noise wouldn't be a problem because you'd tune the rig so only the biggest heaviest bass explosions in your room would have the voltage to spin up the fan. Maybe a blower or squirrel cage fan buried behind a baffle wall with just the fan mouth exposed. You see an explosion on screen, and a moment later you get the effect of that wind blast - the slight delay works just fine. But would the smaller voltage transients from the general soundtrack cause damage to the fan motor by not having enough voltage to spin it up, and therefore severely undervolting the fan during most of the movie soundtrack? Do you think the fan could spin up fast enough to make this viable with on screen explosions? A small delay is perfectly okay in my experience with ported subs. Something like the iNuke DSP 1000 would allow you to limit the voltage output so you wouldn't fry your fan motor with too much voltage. Is there anything keeping an enthusiast from installing a couple blowers aimed at the theater seats, setting a steep LPF at like 25 or 30hz (so only the deepest bass material generates the breeze), and hooking the amplifier up to one of the AVR subwoofer outputs. ![]() (back to the original first postĪmplifiers put out A/C power from what I read - so really any A/C fan is candidate. SOWK's Pastebin repository for Fan TimeStamp files Video Demonstration - Post Application that sends IR signals per timestamp - Post 160 Post guide to cosmetically cover fans - Post 121 Here are the ideas being tested and implemented so - via etauro (light organ style device) - Post - via etauro (light organ style device) - Post and - via custom DIY program solution and IR fans with L/M/H fan speed timestamps to exactly replicate in the movie timeline only when the fans should spin up and what strength. ![]() This thread was created to brainstorm and evangelize means to deliver that air swirling effect in home cinema. And I were talking about the fun air swirling effect of a slot port subwoofer.We both really enjoy it, but we currently have sealed subs and aren't sure we want to give them up for various reasons.
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