At Tue, 3 Feb 2009 04:22:45 +0000 (GMT), tycordinal wrote: > > Hi, > > I am running on Fedora 9 / Alsa 1.0.18a. I have tried > to play 24bits 6ch PCM file on Onkyo SE-200PCI and the > 6ch output from VGA-like connector are very good. > > Thanks for the good work! > > I would like to know what is the intention for the > first pair of RCA output? Apparently, I am able to get > the first two channels out of the 6 channels audio > file when I play through plug:surround51, but the > remaining four channels were not able to get heard. > > Could alsamixer or any asound.rc options can make > Onkyo SE-200PCI to produce a downmix of 6ch on the > first pair of RCA output? Can this be done through the > hardware chips themselves, or any asound.rc options > can make this work? > > Or could it be, the first pair of RCA output is really > hardwired, like ice1712/se.c has suggested because of > WM8740 chip, to always give an exact copy of the first > 2 channels out of the 6 channels playback? It's rather a restriction of envy24-HT (ice1724). The controller chip has no mix support. You can downmix, however, easily via alsa-lib plugin by adjusting the routing table. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
