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Old 7th March 2008, 03:02 AM   #21
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I once had a friend with 3 large dogs. One day he was telling me about the hassle of picking up all the poo. I suggested that we make a dog-poo trebuchet and fling it 1/2 mile or so...

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Old 7th March 2008, 05:32 AM   #22
gootee is offline gootee  United States
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Quote:
Originally posted by boukisan
Hmmm, a self-perpetuating dog bark escalator.

Maybe it could be like filtered with a slow delay (barks building on barks) - it could annoy the hell out of everybody. Sounds fun! I could do it on the weekend when everyone is home.
Put the speakers on the roof, and the mic at the fence...
I guess that would be an unstable system, then, since it would have "positive feedbark".

:-)
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Old 7th March 2008, 11:26 AM   #23
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nice.
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Old 7th March 2008, 01:14 PM   #24
oshifis is offline oshifis  Hungary
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After you solved the problem of unbarking dogs, could someone suggest me a solution to keep my neighbor's TV set silent at 3 AM in the night? I tried earplugs, not very effective.
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Old 7th March 2008, 05:54 PM   #25
aerius is offline aerius  Canada
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Quote:
Originally posted by oshifis
After you solved the problem of unbarking dogs, could someone suggest me a solution to keep my neighbor's TV set silent at 3 AM in the night? I tried earplugs, not very effective.
A shotgun.
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Old 7th March 2008, 06:08 PM   #26
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If you've got smooth floor in the apts, and a big enough gap under the neighbor's door, light up a stringer of black cats and slide 'em under the door (run!).

We used to do it at my dad's body shop to people that were on the crapper for too long - imagine all that going on in a bathroom the size of an outhouse!!!
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Old 7th March 2008, 08:44 PM   #27
jnb is offline jnb  Australia
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Quote:
Originally posted by boukisan
This device that I have mentioned sweeps through frequencies, audible and inaudible
There is an automotive road animal repellent available here which does this. It "chirps" through to ultrasonic frequencies. It sounds like a "zip" sound. It is said that it alerts the animals without stunning them or disorienting them because they would choose to get off the road if they had a choice, but they can't normally hear cars coming.

This makes me wonder what it takes to actually annoy the dogs. Though it maybe just needs to be a distraction?

Quote:
Dogs are pretty smart
They live for the moment. It's all about timing.

Quote:
Hmmm, a self-perpetuating dog bark escalator.
You could pass it through a high pass filter. They can hardly hear the low frequency components of the bark, anyway.
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Old 8th March 2008, 03:46 PM   #28
gootee is offline gootee  United States
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Quote:
Originally posted by jnb


There is an automotive road animal repellent available here which does this. It "chirps" through to ultrasonic frequencies. It sounds like a "zip" sound. It is said that it alerts the animals without stunning them or disorienting them because they would choose to get off the road if they had a choice, but they can't normally hear cars coming.

This makes me wonder what it takes to actually annoy the dogs. Though it maybe just needs to be a distraction?



They live for the moment. It's all about timing.



You could pass it through a high pass filter. They can hardly hear the low frequency components of the bark, anyway.
I already knew that dogs and some other animals could hear higher frequencies than humans can hear. But I had never heard that they also can not hear lower frequencies as well. Do you have a link to something that will enable us to learn more about that?

And I knew about sonic devices being used to try to make sure that animals got out of the way of vehicles. And I have seen evidence that they do work. But I did not think that those were needed because the animals couldn't hear vehicles approaching. Vehicles also produce some relatively-high frequencies. And the animals do have eyes, too, after all. I assumed that the animals were simply incapable of comprehending the danger, and the relatively high speeds of vehicles, etc, and that something more was needed, to sufficiently get their attention and to cause enough fear. Do you have a link to any material that might explain how the devices actually affect the animals?
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Old 8th March 2008, 06:38 PM   #29
jnb is offline jnb  Australia
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My dog trainer tells me not to call my dog in my natural voice but to use a higher pitch .

I had always assumed that dogs have a similar audible bandwidth to humans, only centred higher. This is largely hearsay and presumption.

Here is the link I was talking about earlier.

http://www.shuroo.com/faq.php
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Old 8th March 2008, 07:35 PM   #30
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look on wikipedia about ultrasonics and infrasonics also, some good info there
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