Re: Noise in audio line out
- From: David Maynard <nospam@xxxxxxxxxxx>
- Date: Mon, 30 Jan 2006 16:58:40 -0600
Sunil Pawar wrote:
Hi Everybody,
I want to connect my Sony Stereo Audio System instead of stereo speakers. When I connected to lineout of my pc through stereo 3 pin it results in strong noise/humm on both channels (L & R ). Still music can be heard on sony system but with noise. This doesn't happens with amplified stereo speakers or headphones.
This problem arised recently. Earlier it was working fine.
I have checked 1. Connecting Cable - ok
2. CD Audio system - ok (connected to diff O/P device -TV)
3. Audio Connections on mb -Intel 865gbf
Pls help me out ! :(
Sounds like ground loop induced hum.
The PC will be connected to earth ground and it's likely the Sony is too but if the grounds are not the same, like different AC power line paths, the ground difference introduces hum.
Defective/noisy surge protectors can cause that as well.
.
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- From: Sunil Pawar
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