USB has the best potential, when they are properly isolated, and well engineered.
Optical removes ground loop issues which can cause excessive jitter. Good choice from a PC/laptop due to power supply grounding issues.
Ethernet is also a good choice, as it is specified ad highly isolated. Use shielded cables if you are worried about EMI/RFI noise.
Optical removes ground loop issues which can cause excessive jitter. Good choice from a PC/laptop due to power supply grounding issues.
Ethernet is also a good choice, as it is specified ad highly isolated. Use shielded cables if you are worried about EMI/RFI noise.