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Re: Detection of a specific sound

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  Re: Detection of a specific sound Lorenzo Sutton <lorenzofsutton@gmail.com> - 2015-11-03 00:29 +0100

#98119 — Re: Detection of a specific sound

On 26/10/15 01:17, Montana Burr wrote:
> I'm looking for a library that will allow Python to listen for the
> shriek of a smoke alarm. Once it detects this shriek, it is to notify
> someone. Ideally, specificity can be adjusted for the user's
> environment. For example, I expect to need moderate specificity as I
> live in a quiet neighborhood, but an apartment dweller might need more.
>
> I'm thinking of recording a smoke alarm and having the program try to
> find the recorded sound in the stream from the microphone.
>
> Any help is greatly appreciated!
>

It would really be helpful if you could explain the (hardware) setting 
in more detail.
When you say "Python to listen" I assume you mean a microphone connected 
to a computer where your python programme will be running.

How many smoke allarms and in what radius should be detected? Or is it 
only a specific one?

This could range from a simple programme triggered by an amplitude 
change (e.g. a piezo attached to the single alarm in question) to a 
complex audio fingerprinting one...

Lorenzo.

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