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Deleted member 201267
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Thanks for that detailed reply. Hopefully Bill could pop back and answer too.Blocking interference in the cable improves the signal quality. All transmission is liable to be corrupted and that is why there is the concept of acknowledging reception of network packages in TCP/IP and getting corrupt files on the Internet is rare.
Digital audio transmission is real-time though and corruption will not be fixed with retransmission of a USB package. In case of USB audio there is no error-correction too.
Buying a well-shielded cable for USB connections audio gear makes 100% sense. It does need better shielding than the average cable for the reason mentioned before.
Interference also adds jitter to the signal, but this is difficult to explain here.