Re: Enhanced hearing

Hello,

That was actually part of my question... the specs for the microphone.
I've read about others accomplishing this feat using directional
microphones, but I don't know much about them. I've also read of other
setup where they use a differential input to cancel out the noise, but
I also don't know much about them either.

Thanks!


On Oct 30, 2:18 pm, "Ancient_Hacker" <g...@xxxxxxxxxxx> wrote:
PPP wrote:
Good morning!

I'm trying to make an enhanced hearing circuit (kinda like Superman).Not going to work.

Your ears can already hear way down low. Problem is in almost any
place except the middle of a desert, with no wind, there's a constant
background noise level. If you amplify the sound you're just going to
bring up the background noise. And you're actually worse off, as your
typical microphone and earphone doesnt have the dynamic range of your
ear. It's hard to compete with a billion years of evolution.

If you want this to work, you'll need a very directional microphone,
like take an old 3-foot fiberglass snow-disk and place the microphone
at the focus. Works really well.

.

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