[sdiy] USB/MIDI ground isolation?

[Rainer Buchty]

On Thu, 17 Sep 2009, Neil Johnson wrote:

> Yes, because its cheaper. MIDI over USB is a cheap hack designed for 
> low-cost consumer devices, where cost is more important than audio 
> integrity.  If you want to break the ground loops there are several 
> ways, from USB opto-isolators (very expensive), audio transformers 
> (mildy expensive) to cheap tricks such as ground-lift with a 
> lowish-value resistor.

While we're talking about hacks, what about

	USB-MIDI -> USB2MIDI -> MIDI2USB -> USB-MIDI

Rainer