[sdiy] Amplifying Pulse (Slightly OT)
busby.bergson at gmail.com
Fri Aug 10 07:15:16 CEST 2018
Piping those fingerclip monitors through Max was my first instinct there,
also... but I am wondering about an "analog" solution to this problem.
Deriving an electrical/rectangular click/pulse *is* the goal - but I'm not
sure what types of transducers would make for a good solution to this. Is
there something with a very sensitive electrode and a really
On Thu, Aug 9, 2018 at 10:07 PM, Ben Bradley <ben.pi.bradley at gmail.com>
> An amplified version of the 'real' pulse/heartbeat sound may be what
> they SAY they want, but it perhaps won't be once they hear it.
> Also, things like the oxygen sensor and Pulsar chest strap give out a
> pulse (the electrical, rectangular kind) for each heartbeat that's
> just a 'click' in a speaker, also likely not acceptable. Once you have
> a reliable trigger, you can then generate the sound you want, maybe
> something like (for one example) a muffled kick drum.
> The sound to generate depends on the purpose for this - if it's to
> generate SOME sound for every pulse so the person can have a gross but
> easily audible idea of their heart reate, it may just as well be a
> short tone from a 555 timer.
> As for faking it, there's this recording you might could sample (not
> saying anything about the legality here), it starts off, oh, what was
> the name of that album ... oh yeah, "The Dark Side Of The Moon."
> On Thu, Aug 9, 2018 at 9:39 PM, Michael Zacherl <sdiy-mz01 at blauwurf.info>
> >> On 10 Aug 2018, at 03:23, Quincas Moreira <quincas at gmail.com> wrote:
> >> fake it with the modular, nobody will know :)
> > mhm, you just gave it away! ;)
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