Mixing 4 audio channels to 3?
DaveC wrote:
Or, as is not uncommonly done these days in portable digital players,
establish a floating ground for the purpose of providing and signal for the
(floating) load, so that the difference between the output and the floating
ground can become negative.
Which raises the question I was pondering recently: is it OK to connect 2
computers' sound cards' grounds together?
It should be. If you are concerned, check with a meter first.
The PS for the powered speakers is via "wall wart" (not grounded).
Thanks.
--
Les Cargill
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