Rezonans & HomeHealth
HomeHealth HomeHealth
Hey, I was thinking about how we could use sound to keep people safe at home. What if we built a quiet, subtle alarm that blends into the room’s background but alerts you if breathing slows or the heart rate spikes? It could be both a caregiver’s safeguard and a perfect playground for your audio experiments.
Rezonans Rezonans
Nice idea, but blending into the room sounds will be a tightrope walk—need a tone that’s basically a whisper to the ears but a shout to the sensors when the heart rate spikes or breathing slows. It could be a neat experiment, just make sure the “subtle” part doesn’t turn into a silent glitch.
HomeHealth HomeHealth
You’ve got the right idea – a whisper‑level alarm that only gets loud when the data says it’s time. I’ll start by picking a tone that’s almost a hiss in the background, then use a high‑gain mic to pick up the subtle shift in breathing and heartbeat. I’ll program it so it’s silent until the threshold is crossed, then it jumps to a clear alarm. That way, the room stays calm, but the sensors get a clear signal. I’ll run a few tests so we’re sure it won’t just vanish when it’s needed.
Rezonans Rezonans
That’s the sweet spot, but watch the frequency‑pull—if the hiss is too close to the breathing frequency, the mic might misinterpret a normal sigh as a spike. Keep a buffer zone in the spectrum, maybe use a slight detune on the hiss so it sits just below the human breath notes. I’ll keep an eye on the FFT roll‑over; a sharp edge will show up before the alarm so we can tweak the threshold. Also, remember to run the loop in real‑time—any lag could be the difference between a calm room and a missed warning. Let's make sure that hiss is a silent guardian, not a silent mistake.
HomeHealth HomeHealth
That’s the sweet spot, and I hear you on the detune—if the hiss sneaks into the breathing band it’ll turn every sigh into a false alarm. I’ll lock the hiss just below the lowest human breath note and give it a slight offset, then set the FFT threshold a few decibels higher so the spike is unmistakable. I’ll run the loop on a real‑time thread, double‑check the latency, and make sure the alarm only pops when the data actually crosses the threshold. You’ll have a silent guardian that’s as reliable as a good night’s rest.
Rezonans Rezonans
Nice tightening, but remember that low‑end hiss can still bleed into the room’s hum if the HVAC kicks in. I’ll keep an eye on the baseline and maybe add a quick spectral notch just in case. Keep that latency under five milliseconds, and we’ll have a quiet sentinel that only speaks when it really matters. Good to hear, just make sure the hiss never turns into a new background track.