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434 posts

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# 249001 19-Apr-2019 09:13
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Yes, I know.
Strange topic title.

Mother in law got a new TV a couple of weeks ago.
Since then, the dog doesn't want to sit in the livingroom, when the TV is on.
Can there be some sort of a frequency issue (noise, that they can hear), which affects the dog?

TV is a Sony 4K Android 43 inch. KD43X7500F

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  # 2220965 19-Apr-2019 09:45
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Interesting post!! Expensive dog repellent, though🙂


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  # 2220975 19-Apr-2019 09:51
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Perhaps the dog doesnt like the programs that are being watched!

 

I wouldnt have thought it likely their would be high pitched noises we cant hear but the dog can putting it off. Its possible though.  I just think manufactures would have to ensure their products fit within certain frequency ranges etc to ensure there is no interference elsewhere.

 

 


 
 
 
 


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  # 2220978 19-Apr-2019 10:00
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Try Funny Cats on YouTube.

Otherwise replace the dog with a Sony AIBO. 😀




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Ultimate Geek


  # 2220979 19-Apr-2019 10:05
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You’d have to get something to record what sound its emitting when turned on.

Related story, friend of the family were having issues with a external HDD. It would lose connection ever so often when they tried to do transfers. I walked into the room and heard a mild hissing noise from the power plug.

Swapped it out with a spare supply i had and it fixed the problem. Turns out none of them could hear the hissing including my father who went to diagnose beforehand. I had to record with my phone and then edit it a bit to a frequency they could hear before they believed me.

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  # 2220982 19-Apr-2019 10:17
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There are free sound analyser apps available. Not sure how good a phone microphone would be in picking up ultrasonic frequencies though.
A GZer who is an expert on electronics may be able to comment on whether a faulty component could emit such a frequency without affecting the overall operation of the TV.




Areas of Geek interest: Home Theatre, HTPC, Android Tablets & Phones, iProducts.



434 posts

Ultimate Geek


  # 2220995 19-Apr-2019 10:24
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Thanks all.
I just found this article, which relates to this topic.

https://www.cnet.com/news/is-technology-driving-your-pet-insane/ 


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  # 2221059 19-Apr-2019 11:22
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A quick test to see if the Line output of a CRT Tv was working was to listen. The LOPTX ( transformer) rings at 15,625Khz, but generally none of the older techs could hear it.

 
 
 
 


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  # 2221065 19-Apr-2019 11:33
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Brunzy: A quick test to see if the Line output of a CRT Tv was working was to listen. The LOPTX ( transformer) rings at 15,625Khz, but generally none of the older techs could hear it.

 

It used to drive me and my brother mad when my parents would mute the TV (in the next room) at dinner time. It's just sitting there going *squeal*...


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  # 2221098 19-Apr-2019 12:46
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Behodar:

 

Brunzy: A quick test to see if the Line output of a CRT Tv was working was to listen. The LOPTX ( transformer) rings at 15,625Khz, but generally none of the older techs could hear it.

 

It used to drive me and my brother mad when my parents would mute the TV (in the next room) at dinner time. It's just sitting there going *squeal*... 

 

Had a paper run as a kid, back in the day when you had to go door to door to collect payment every fortnight. Used to be able to tell if people were home by the "squeal" from the TV well before I knocked on the door. The days of being able to hear those frequencies are loooooong gone....


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  # 2225377 26-Apr-2019 10:04
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Any chance you can get another dog in there see the response?


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  # 2225675 26-Apr-2019 16:32
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danepak: Yes, I know.
Mother in law got a new TV a couple of weeks ago.
Since then, the dog doesn't want to sit in the livingroom, when the TV is on.

 

Are you sure your MIL isn't watching endless cat videos on youtube etc?




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Ultimate Geek


  # 2225679 26-Apr-2019 16:44
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The funny thing is that the dog goes nuts, when she sees other animals on TV.

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  # 2225686 26-Apr-2019 17:11
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danepak: The funny thing is that the dog goes nuts, when she sees other animals on TV.

 

Sounds like my old Bulldog.

 

If there was a dog on TV, he could charge at it, it was worse if there was another bulldog, when stickman had his dog he would even go nuts then.

 

Back to the TV  - I suspect there will be a high pitch noise, you will need something like an audio spectrum analyzer that can show you stuff we cant hear.

 

John

 

 





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  # 2225698 26-Apr-2019 17:24
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SATTV:

 

you will need something like an audio spectrum analyzer that can show you stuff we cant here.

 

 

 

Why not? Would it breach the FUG? 


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  # 2225742 26-Apr-2019 18:00
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Fred99:

 

SATTV:

 

you will need something like an audio spectrum analyzer that can show you stuff we cant hear.

 

 

 

Why not? Would it breach the FUG? 

 

 

Spelling corrected :-)

 

 





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