In the past I would record the programs on VHS then disconnect the cable and
play the VHS so I could record on my PC without the hum. so it seems like
the only way to record without the hum is to disconnect the cable. But I was
hoping not to have to record on one thing then play to record to my PC. I
was hoping to cut out the middle man and twice the time to record. Plus I am
having trouble with the VHS. The machine also has a DVD recorder if I can
figure out how to run that thing. I guess I need to do that then play the
DVD after disconnecting the cable.
Dean
-----Original Message-----
From: Laurence Taylor
Sent: Wednesday, March 19, 2014 5:44 PM
To: PC Audio Discussion List
Subject: Re: Hum from Cable
On 19/03/2014 01:52, Dean Masters wrote:
I am wanting to run a patch cord from the headphone jack on my TV to my PC
to record some shows but there is a hum. I have Comcast cable.
This sounds like an earth loop of some kind.
The first thing to check is whether the cable outlet is isolated
- it should be. Do you use a cable box or does the cable go
straight into the TV? If you have a box, check if you still get
the hum with it disconnected. If not, that's the cause of the
problem and the isolated outlet will cure it.
If you still get hum without the TV cable connected there are
other things to check; is the TV connected to anything else? Do
you have an outside aerial as well, or a satellite receiver?
If the TV is fitted with a two-pin mains plug, is it the right
way round? Try reversing it in the socket.
I'd plump for the cable outlet first, though, it's a very common
problem.
--
rgds
LAurence
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