i think the ac3 pass though will just let mplayer take the ac3 stream from the dvd and send it to the sound card and then out the digital line. no decoding at all. i have that here with an optical out.
not sure about the stereo ac3. mine works fine for movie's and mp3's this is a guess.... i should google to find out what exactly an ac3 stream it matt On Wed, 25 Jan 2006, Tony Houghton wrote: > I've got two PCs which I use mainly for watching video with MPlayer (for > various reasons Xine isn't so practical) and it has A/V sync problems on > them. I think it may be because my cheap & nasty sound cards lack some > feature that MPlayer relies on to sync properly: > <http://www.mplayerhq.hu/DOCS/HTML/en/audio.html#sync>. Unfortunately it > doesn't say exactly what the feature is and which are the bad drivers. > > One of the PCs has a cheap sound card using the snd_cmipci driver and > the other has VIA onboard audio. The former also sometimes makes speech > sound a bit muffled I think. > > I've heard of an "AC3 passthrough" feature. Does that mean the sound > card decodes the audio stream instead of the CPU? Although I don't have > a surround system ATM, I think it would be a nice feature to have in > case I install one later. Meanwhile, would AC3 passthrough work for > stereo AC3 streams? > > So what would be a good card to get? I've heard that the Turtle Beach > Santa Cruz is supposed to be very good, and I know it is supported by > Linux, but I haven't been able to find out how well or whether it's > likely to fix the A/V sync. I should be able to get one (or two) on eBay > at a reasonable price. > > -- > TH * http://www.realh.co.uk > > > ------------------------------------------------------- > This SF.net email is sponsored by: Splunk Inc. Do you grep through log files > for problems? Stop! Download the new AJAX search engine that makes > searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=103432&bid=230486&dat=121642 > _______________________________________________ > Alsa-user mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/alsa-user > ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=103432&bid=230486&dat=121642 _______________________________________________ Alsa-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/alsa-user
