Hi, did you try to output dts/ac3 encoded audio through HDMI instead of raw PCM?
mplayer -ac hwac3,hwdts -ao alsa:device=hw=0.3 master_and_commander.iso -- strawks On 18/11/2009 13:24, Stephen Rowles wrote: > Hi all, > > Not really the right place, but before I subscribe to alsa / mplayer to > try and work out what was wrong I thought I would start here :) > > I've got an ASRock ION-330, and I'm trying to get surround sound sorted > out. It is an ION system (Nvidia 9400). > > I use the following mplayer command: > > mplayer master_and_commander.iso -ao alsa:device=hw=0.1 -ac help -channels 6 > > Which outputs the digital audio over the optical spdif output, which > when plugged in to my surround amp quite happily switched into 5.1 mode > and plays the audio correctly. > > However if I try to output via HDMI (hw=0.3), and then run the optical > out from the TV into the surround sound amp, the amp doesn't switch into > digital mode and I get lots of digital garbage noise that the amp tries > to output as stereo. I get the same noise from the TV but I didn't > expect the TV to actually decode and output the surround sound. > > Is this a setting problem in alsa / driver / mplayer? Or is this simply > because the TV is doing the wrong thing? I'm inclined to believe the > that TV is failing to decode the digital signal and effectively sending > out stereo noise bitstream rather than just passing through the digital > signal. (It's a Samsung 32inch LCD - LE32B450). > > If people also think this is the case then I'll contact Samsung, there > is a newer firmware version which might solve the problem, but they > don't give out patch notes and I don't really want to upgrade the > firmware unless it will really help! > > Any thoughts / opinions welcome. > > Cheers, > > Steve. > > ------------------------------------------------------------------------------ > Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day > trial. Simplify your report design, integration and deployment - and focus on > what you do best, core application coding. Discover what's new with > Crystal Reports now. http://p.sf.net/sfu/bobj-july > _______________________________________________ > Freevo-users mailing list > Freevo-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freevo-users > ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Freevo-users mailing list Freevo-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freevo-users