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Computer Audio Asylum Music servers and other computer based digital audio technologies. |
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In Reply to: " Built in Galvanic isolation " posted by beppe61 on April 26, 2016 at 23:30:59:
Galvanic isolation seems to be folklore as a cure all in computer audio setups. The real position is much more complex because of the many possible multiground connections in such systems.
Other important factors are:
signal integrity (which includes ground issues)
lack of reflections affecting signal transfer (which includes impedance matching)
jitter caused by various clocking devices.
Galvanic isolation involves the use of transformers, chip type capacitative isolators and or optical isolators which have their own jitter, interface, and powering issues.
The important thing appears to me to be the competent integration of isolation, relocking and signal integrity assurance measures before the signal goes into a dac.
It is wrong to say that dacs can be designed for twopence to avoid issues caused by interface characteristics.
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Follow Ups
- RE: " Built in Galvanic isolation " - fmak 05:06:53 04/27/16 (1)
- RE: " Built in Galvanic isolation " - beppe61 06:08:36 04/27/16 (0)
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