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Sound distortion |
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#1 |
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Forum Member
Join Date: Nov 2002
Posts: 1,004
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Sound distortion
Right, this problem is a bit contrived, and before anyone has a go at me for not posting in the PC or Digital terrestrial forums, the reason I posted here is that I think folk who frequent the Entertainment Equipment forum are most likely to know the answer, and it is nothing to do with digital TV and only vaguely related to PC hardware.
In my room I have the TV connected to a Pioneer (ex-OnDigital) STB, which is connected to the loft aerial. The stereo (Sanyo micro-system) is connected to the phono outputs on the STB, so I can listen to the digital channels through the stereo and not need the TV on to listen to the Freeview radio stations. I have then linked the output of the soundcard to the 'VCR' SCART input on the STB because when the STB is in standby it will pass the signals received on the VCR SCART through to the TV SCART, and also the phono outputs. This allows me to play the sound from the PC on the stereo (through the STB). While sound quality from the stereo itself (tuner, CD, etc) and the STB is very good, sound from the PC is poor - very distorted. I have tried connecting the PC directly to the stereo and it is OK then. I had a similar problem once before when the PC was connected to the stereo and the stereo was also connected to an external aerial, and disconnecting the aerial would stop the distortion, so I tried disconnecting the aerial from the STB, but this time it had no effect. The PC is connected to the STB using a 2phono-2phono lead, and a phono-3.5mm jack adaptor for the soundcard and a phono-SCART adaptor at the other. Could it be to do with the fact that although the PC is earthed, the other equipment isn't (2-core mains leads). Any help would be much appreciated.
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#2 |
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Forum Member
Join Date: Mar 2002
Location: Ayrshire
Posts: 4,125
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It's not likely to be earthing - that would cause a hum rather than distortion.
It sounds more like a signal overload from the PC card to the SCART socket - if I'm understanding things properly. You say when you attach the PC card directly to the micro system through the phono sockets the sound is OK - so that suggests you are overloading the sound into the SCART socket. Can the PC output be adjusted in any way? |
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#3 |
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Posts: n/a
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lower the volume on the pc if possible
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#4 |
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Forum Member
Join Date: Nov 2002
Posts: 1,004
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Quote:
lower the volume on the pc if possible
Quote:
Can the PC output be adjusted in any way?
Well if two of you have suggested it, it MUST be worth trying. Thanks, guys.
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