[Lab] Controlling Light with Sound

[The Big Plan - Chris B]

I will be breathing through the ventilator so the breaths will be  
changing, depending if I let the ventilator do a full 1.2-1.5 second  
breath. The breath rate will be constantly changing.


On 14-Mar-13, at 8:22 PM, klmckinnon at rogers.com wrote:

> If it is a constant type of breathing, I think the trick is to  
> detect the event start, then use the firmware to control the light  
> fade,  If it is something that is going to be dynamic i.e. dying  
> breath, a bit more control is necessary.  Remote is just another  
> area, but the first is to detect the event including the cycle.
>
> Ken
> From: "tonyelwood at telus.blackberry.net" <tonyelwood at telus.blackberry.net 
> >
> To: Artengine Lab <Lab at artengine.ca>
> Sent: Thursday, March 14, 2013 7:24 PM
> Subject: Re: [Lab] Controlling Light with Sound
>
> If you can mod or attach a sensor to the ventilator where it will  
> not be seen you could use and rf transmitter or an infrared led to  
> send a signal to the light controller to sync the lighting to it.
>
> Perhaps a piezoelectric sensor (old buzzer would do) stuck to the  
> main body of the unit to pick up the vibration of the motor,  
> transistor to amplify the small signal and drive an IR LED pointed  
> up. Then the arduino could pick up the vibration of the unit by  
> using an IR receiver diode.
> This would cut out the microphone which maybe would be triggered  
> falsely if it is to be installed in a noisy installation.
>
> -Tony
>
> Sent on the TELUS Mobility network with BlackBerry
>
> -----Original Message-----
> From: The Big Plan - Chris B <tbp at ghostwise.com>
> Sender: lab-bounces at artengine.ca
> Date: Thu, 14 Mar 2013 16:11:51
> To: <lab at artengine.ca>
> Subject: [Lab] Controlling Light with Sound
>
>
> Hi!
>
> Looking for some advice for an art installation. I'd like to have a
> light or set of lights respond to an auditory
> input. I'd like the lights to turn on in time with the sound of a
> ventilator (a medical one). So when the ventilator is
> not doing a breath, the lights would be off, but then when the
> ventilator starts doing a breath they would
> turn on for the duration of the breath. I'd like the lights to light
> up and dim gradually, not just on an off.
>
> What's a simple or best way to do this?
>
> Thanks!
>
> Chris
>
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