Re: Recording a heartbeat?

["Aaron Ximm" aaron_gmail]

Fwiw,

I recently made reasonable recordings of human heartbeats with an
aquarian HB2 hydrophone pressed against the chest. We moved the mic
around a bit until the levels were loudest.  It was sensitive to
handling noise but did a pretty good job; I think the reason it worked
well was that that model has a flat surface that coupled well to the
skin.

 best,
  aaron

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