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tech / sci.electronics.repair / Has anyone ever heard of transmitting sound over power-line?

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* Has anyone ever heard of transmitting sound over power-line?bruce bowser
`* Has anyone ever heard of transmitting sound over power-line?bruce bowser
 `* Has anyone ever heard of transmitting sound over power-line?vjp2.at
  `- Has anyone ever heard of transmitting sound over power-line?bruce bowser

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Has anyone ever heard of transmitting sound over power-line?

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Subject: Has anyone ever heard of transmitting sound over power-line?
From: bruce2bowser@gmail.com (bruce bowser)
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 by: bruce bowser - Sat, 26 Aug 2023 18:36 UTC

"Has anyone ever heard of transmitting sound over power-line? The situation I am running into is where someone is transmitting sound thru powerline and then the device they are using for the output is an HVAC, an A/C device, or a fan."

Profile photo for Charles Foy
Charles Foy
B. S. in Electric Power, North Dakota (state) (Graduated 1971)Author has 1K answers and 394.4K answer views3y
Using PLC for in-the-home controls is possible, but not simple, and it may not have anything thing to do with transmitting sound, per se. Transmitting signals that are below radio frequency (sound) without a carrier is problematic to say the least.

Power Line Carrier (PLC) works like this. Some High Voltage (as in many thousands of volts) power lines are also used for communications ...

Quora - 3 years ago
-- https://www.quora.com/Has-anyone-ever-heard-of-transmitting-sound-over-power-line-The-situation-I-am-running-into-is-where-someone-is-transmitting-sound-thru-powerline-and-then-the-device-they-are-using-for-the-output-is-an-HVAC-an-A-C

Re: Has anyone ever heard of transmitting sound over power-line?

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Subject: Re: Has anyone ever heard of transmitting sound over power-line?
From: bruce2bowser@gmail.com (bruce bowser)
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 by: bruce bowser - Sat, 26 Aug 2023 18:41 UTC

"More complicated eavesdropping devices, called parasitic transmitters, can be planted in a power line."

Eavesdropping Becomes Undetectable
Washington Post - April 11, 1987
— https://www.washingtonpost.com/archive/politics/1987/04/11/eavesdropping-becomes-undetectable/751caced-2cec-4a8f-b40f-b41189485358/

Re: Has anyone ever heard of transmitting sound over power-line?

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From: vjp2.at@at.BioStrategist.dot.dot.com
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Subject: Re: Has anyone ever heard of transmitting sound over power-line?
Date: Sun, 27 Aug 2023 08:55:42 -0000 (UTC)
Organization: Samani Marions Panyaught NYS-13760-4251-2180-USA
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 by: vjp2.at@at.BioStrategist.dot.dot.com - Sun, 27 Aug 2023 08:55 UTC

I believe you lose signal when you hit a transformer

--
Vasos Panagiotopoulos panix.com/~vjp2/vasos.htm
---{Nothing herein constitutes advice. Everything fully disclaimed.}---

Re: Has anyone ever heard of transmitting sound over power-line?

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Subject: Re: Has anyone ever heard of transmitting sound over power-line?
From: bruce2bowser@gmail.com (bruce bowser)
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 by: bruce bowser - Tue, 29 Aug 2023 03:36 UTC

On Sunday, August 27, 2023 at 1:55:46 AM UTC-7, vjp...@at.biostrategist.dot.dot.com wrote:
> I believe you lose signal when you hit a transformer
>
> --
> Vasos Panagiotopoulos panix.com/~vjp2/vasos.htm
> ---{Nothing herein constitutes advice. Everything fully disclaimed.}---

I wonder what the newspaper was referring to then?

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