On Sat, 2011-11-19 at 13:43 +0100, Ralf Mardorf wrote: > [snip] 2. ½ of 180° phase shift * (1,41/2) should be ok in stereo :D? > That's theory. 3. This should separate an additional third channel provided by 2 channels, without having impact to the clean stereo signal? German Wiki also claims that this doesn't happen. > [snip]