[Lab] Controlling Light with Sound

[Richard Sloan]

Tie a strain gauge around the chest and map the strain vs. light output :-)

Richard.

On Thu, Mar 14, 2013 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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