[LAU] measuring frequencies and then doing something....

Lorenzo lsutton at libero.it
Mon Mar 29 04:02:54 EDT 2010


Hi Aaron,

> Here's one for ya.
>
> I'd like to have a program which "checks" for a certain frequency 
> every 20 minutes or so while I'm not in the room.
>
> If this frequency happens (and my microphone picks it up, of course) 
> something happens,
If I understand correctly what you mean (detecting a single 'pitch' 
(frequency)) the simple attached Pd patch should do it.
>
> I'm thinking something web-like.
Pd has has netsend to do network or popen to start shell commands (.. 
look at the docs.

Lorenzo.
>
> The function below sucks and I'm aware of that.
>
> Just fishing for any ideas.
>
> Thanks, amigos!
>
> -Aaron
>
>
> $curr_frequency(){
>     wicked function which listens to the mic every 20 minutes
> }
>
> $frequency = '';
> if ($time >= 1200000 )  {  //20 minutes
>   curr_frequency (&$curr_frequency, $time);
>   return $frequency;
> };
>         if ($frequency == '2500hz')  //maybe make this a range {
>        do something neato;
>   }
>
> }
>
>
> _______________________________________________
> Linux-audio-user mailing list
> Linux-audio-user at lists.linuxaudio.org
> http://lists.linuxaudio.org/listinfo/linux-audio-user
>    
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