Shutter sound

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Shutter sound
« on: 23 / April / 2017, 07:37:01 »
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I've serached on this topic but didn't find anything


Is it possible programmatic to let the shutter sound from one camera trigger the shutter on a bunch of other cameras?


Regards
Arne

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Offline reyalp

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Re: Shutter sound
« Reply #1 on: 23 / April / 2017, 14:50:28 »
I've serached on this topic but didn't find anything


Is it possible programmatic to let the shutter sound from one camera trigger the shutter on a bunch of other cameras?
No, CHDK unfortunately does not currently provide a way to use the audio input. You might be able to build a circuit using the USB remote (http://chdk.wikia.com/wiki/USB_Remote) functionality.

Some of the audio functions are known, if you have some reverse engineering skill it might be possible to develop an audio trigger. See the bonus PDF on https://www.coresecurity.com/corelabs-research/publications/exploiting-digital-cameras

You might also find this thread on trigger using other cameras flashes interesting: https://chdk.setepontos.com/index.php?topic=13094.0
Don't forget what the H stands for.

Re: Shutter sound
« Reply #2 on: 23 / April / 2017, 15:34:58 »
Thank you very much for the quick reply....and the references...i will look into that


Best Regards
Arne

Re: Shutter sound
« Reply #3 on: 23 / April / 2017, 22:43:58 »
As far as triggering others on flash, the motion detection module should be able to do this.


Re: Shutter sound
« Reply #4 on: 23 / April / 2017, 23:07:13 »
As far as triggering others on flash, the motion detection module should be able to do this.
I think that was what reyalp was referring to ...
You might also find this thread on trigger using other cameras flashes interesting: https://chdk.setepontos.com/index.php?topic=13094.0
.. specifically this post.
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