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building a noise activated sensor to record the noise and duration the noise is made

Discussion in 'Radio and Wireless' started by tblane2omconnolly, Feb 19, 2020.

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  1. tblane2omconnolly

    tblane2omconnolly

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    Feb 19, 2020
    Hi there
    I am looking to build a sensor unit to pick up a dog barking relay the barking to be recored on my computer and then send the recording to an external loudspeaker, could someone point me in the right direction:- materials required, referance diagrams,
    thanks Tom
     
  2. Bluejets

    Bluejets

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    781
    Oct 5, 2014
    Sounds like problem with the neighbours..??
    WE used to use an off the shelf tape recorder.
    These days equivalent would be some sort of dvd recorder with a mike I'd imagine.
    Another approach is record or download a wav file of a barking dog and place on an SD card.
    Loop playback the wav with an Arduino and a large amp.
    Plenty of places will tell you how on the net.
    Check the neighbour doesn't own a shot gun first though......... :):):)
     
    hevans1944, davenn and Martaine2005 like this.
  3. Martaine2005

    Martaine2005

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    May 12, 2015
    Yay, shot gun check first!.
    I think you are over complicating this.
    Plenty of VOX and sound activated mini recorders available like personal dictation machines.
    You can’t autonamously record a barking dog without also recording the passing loud cars or thunder clap.
    Human intervention will be required to edit what sound is to be amplified through speakers.
    Or who knows what you’ll be sending out at great volume!!.

    Martin
     
    hevans1944 and davenn like this.
  4. tblane2omconnolly

    tblane2omconnolly

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    0
    Feb 19, 2020
    Thanks for getting back tome, correct on the first count and nothing to do with the dog Just them that let the dog run ferrel, I was planning to record the dog and then have it activated when the dog is out, then they may appreciate how good the dog sounds at there own window. afraid I am at the end of my tether with my neighbourghs, non of the authorities routes have been able to help and hope that a test of his own meds may strike home, at this stage I wouldn't care if he had the backing of an army. they are both very unreasonable people.
    I recon that I should be able to record and store the barking on my computer, but need an sensor with a noise pick up to activate the computer and send the recording to a speaker outside just what you have suggested but need to find a source that can supply a card /control to do this when activated by the noise
     
  5. hevans1944

    hevans1944 Hop - AC8NS

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    Jun 21, 2012
    @tblane2omconnolly: Did you even READ response #3? A "noise sensor" won't just trigger your computer to record a barking dog. It will trigger the recording on ANY arbitrary noise that meets the triggering requirements.

    In Ohio, at one time feral cats were considered "fair game" and could be disposed of my anyone at anytime with any device that didn't violate local ordinance. In other words you could kill them at will and dispose of the carcasses. My wife used to raise rabbits (for food) in an isolated part of eastern Ohio. She would slaughter the little beasties by tying a string around their necks and letting them flop around until the rabbit died. Then she cut the head off and displayed it on the fence surrounding the rental property, which was located in a densely forested area often visited by game poachers. The poachers gave her property a wide berth after seeing the rabbit heads posted on the fence. Worked sooo much better than NO TRESPASSING signs.

    Not saying you should behead any dogs in your neighborhood, and you should certainly leave the neighbors alone, but a feral dog running loose could be picked up and taken to a local animal shelter for proper confinement and disposal if not claimed and licensed by its owner.

    You didn't say where you live when you joined yesterday, so this advice may not be applicable to you. Just realize that sometimes a "big stick" is a better solution than sophisticated electronics... especially if wielded in the wee hours of the morning when the harborers of the feral animal may be absent or asleep.
     
    Martaine2005 likes this.
  6. Bluejets

    Bluejets

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    Oct 5, 2014
    Usually run into this problem when I'm in Thailand.
    Barking dogs and LOUD LOUD music that thumps away from perhaps 9pm to 4am, depending on the celebration.
    Many there suggested a mattress against the window, failing that, as the vibrations rattle the windows and any loose roofing iron, the following.
    Can get some monster amps in Thailand so before fitting the mattress, install speakers ( usually mounted on the back of a truck) facing back in noise direction and a mic, then the mattress. Start the purpose made generator and sit back. Power goes off there quite often, hence the need for the genny.
    Might not work quite as expected but at least they get some of their own back.
    Last suggestion was to record it and , with the same setup, start it thumping just as 4am ticks over when they want to sleep.
     
    hevans1944 likes this.
  7. tblane2omconnolly

    tblane2omconnolly

    3
    0
    Feb 19, 2020
    thanks for all the responses, when I said the dog was running ferrel, I meant that the dog was let out of the house and left to its own ends and comes out to the boundary fence at a point which is close to our house and stands and barks for the duration it is out, the point is far away enough from their house that the barking would not disturb them.
    the idea of a sensor activated mike was to relay the barking back to there place so that they could appreciate their own dog. The dog is not the problem, the folk who own the dog are the problem as they do not attempt to control the dog
    I live in central Scotland, where it would be frowned upon to shot an animal but the stick in the early hours mmmmm
    Tom
     
  8. Externet

    Externet

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    Aug 24, 2009
    No need for a noise detector, vox, tape recorder... just a loud stereo with the speakers on the window aiming to the intended direction and playing endlessly
    ---->
    While you go to the beach for the weekend.
     
    hevans1944 likes this.
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