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Old 27th February 2007, 01:08 PM   #1
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Default 4 channel of audio + single wire

Hello All,
I want to carry 4 channels of audio using single wire up to 40 meters.how can i achieve this? any suggestion is wellcome
br
Bilgekaan
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Old 27th February 2007, 03:45 PM   #2
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Line level or speaker level?
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Old 27th February 2007, 06:04 PM   #3
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I am newbei to audio subject , I need some explanations.


Line level : analog or digital , must be processed ( convert to sound ) before connecting to speaker.

Spekar level : Can be directly connceted to speaker.

If my presumptions above are correct , line level is OK.But also I want know about speaker level solution.

Best regards
BılgeKaan
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Old 28th February 2007, 03:52 AM   #4
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I would think it would have to be some kind of RF modulation on single wire (with ground).

Would be line level. Digital and analog versions exist, take your pick.
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Old 28th February 2007, 06:38 AM   #5
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Digital one I prefer . But what are advantages and disadvantages when digital and analog systes are compared?

I search internet and encountered system called digital snake.Seems to complicated.
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Old 1st March 2007, 08:25 PM   #6
AndrewT is online now AndrewT  Scotland
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Hi,
if you want more than one signal to pass down the same wire (well two wires for flow and return), then you must multiplex them in some way and de-multiplex again at the receive end.

RF modulation has been mentioned either AM and/or FM for analogue.
Or go digital.
Both methods will be beyond most contributors on this forum.
A pair a wires for each signal will be MUCH easier and MUCH cheaper.
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Old 2nd March 2007, 12:20 AM   #7
Pano is offline Pano  United States
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Quote:
Originally posted by AndrewT
A pair a wires for each signal will be MUCH easier and MUCH cheaper.
Amen! Unless you have to go a very long way.
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