In Reply to: impedance match? posted by fmak on July 22, 2015 at 01:15:16:
[If] internal cables and connectors on MBs adhere to the USB standard.
According to an Intel paper of some years back, they rarely do at least as far as power delivery goes - see link. (The paper predates USB3.) I don't know whether similar points apply to the data lines but I can guess.
A new secure and impedance matched 'standard' for audio is called for.
Agreed though some way of knowing how closely a given product met spec would be a start. Hopefully, those (pricey) PCIe>USB boards sold for audio use do.
D
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Follow Ups
- RE: impedance match? - Ryelands 01:57:04 07/22/15 (0)