[sdiy] USB/MIDI ground isolation?

[Colin f]

> -----Original Message-----
> From: synth-diy-bounces at dropmix.xs4all.nl 
> [mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf Of 
> johnspeth at yahoo.com
> Sent: 16 September 2009 23:18
> To: SDIY
> Subject: [sdiy] USB/MIDI ground isolation?
> 
> We all know that the 5 pin DIN version of MIDI provides 
> isolation between grounds by virtue of the optocoupler.  Can 
> anyone tell me how they addressed the ground isolation 
> problem with USB/MIDI?

I think in a fair number of cases, the issue of grounding noise problems was
resolved by the designers crossing their fingers and hoping all the end
users would have laptops with double insulated PSUs.

That new AD part looks awesome.
It should destroy the market for ridiculously over-priced opto-coupled USB
hubs overnight...

Cheers,
Colin f